Licensing Guides
State Septic License: How to Become a Septic Contractor in All 50 States
Septic
Septic Licensing Requirements for All 50 States
Working as a septic installer or pumper offers a stable, in-demand career. With strict health and safety regulations in place, the need for licensed septic experts remains strong, creating steady job opportunities and long-term career potential nationwide.
According to the Environmental Protection Agency (EPA), more than 1 in 5 homes in the U.S. rely on septic systems to treat their wastewater.
Understanding septic licensing requirements in the U.S. is key, as every state sets its own rules to ensure septic systems operate safely and don’t contaminate nearby water sources.
This helpful guide provides a state-by-state breakdown of septic licensing requirements in all 50 states.
Alabama
To legally perform septic work in Alabama, including installing and pumping septic tanks, you must obtain a license from the Alabama Onsite Wastewater Board (AOWB).
Alabama septic license classifications include:
Basic Level Installer
Advanced Level I Installer
Advanced Level II Installer
Pumper
The Pumper license requires passing an exam and accruing a minimum of six months of work experience. The Basic Installer license requires at least one year of work experience. Advanced Level I Installers must work for two years as a Basic Installer to qualify for licensure. Advanced Level II Installers must obtain two years of work experience as a Level I Advanced Installer.
View the full Alabama Septic Licensing Requirements.
Alaska
Licensing for Septic Installers in Alaska falls under the authority of the Alaska Department of Environmental Conservation Division of Water.
Certified Installers may install septic systems throughout most of the state, though the municipalities of Anchorage and Valdez have city requirements. The Certified Installer designation enables the holder to install septic systems for private residences and single-service connection systems that generate less than 500 gallons per day of domestic wastewater.
To qualify for licensure, you must register for and attend the Certified Installer course, pass a written examination, and pay the $850 certification fee.
View the full Alaska Septic Licensing Requirements.
Arizona
Arizona offers the CR-41 Septic Tanks and Systems license, which is required to install or maintain septic tank systems. The license is issued by the Arizona Registrar of Contractors.
The state also mandates specific requirements or certifications to perform septic inspections, site evaluations, and other related tasks. Additionally, some counties have additional license types and requirements, so make sure to check local regulations where you plan to work.
Licensing requirements include registering your business with the Arizona Corporation Commission, acquiring three years of qualifying work experience, and passing both the Arizona Statute and Rules exam and Trade exam.
View the full Arizona Septic Licensing Requirements.
Arkansas
Licensing for septic professionals in Arkansas falls under the authority of the Arkansas Department of Health (ADH) Onsite Wastewater Program.
Arkansas offers three license classifications related to septic work: Septic Tank Installer, Septic Tank Cleaner, and Designated Representative.
The licensing requirements for Installers and Cleaners include gaining employment with a licensed septic company, passing a criminal background check, and passing an exam administered by the ADH.
Designated Representatives must first obtain a professional degree, including engineer, land surveyor, sanitarian, or master plumber, in addition to passing a background check and exam.
View the full Arkansas Septic Licensing Requirements.
California
Licensing for septic contractors in the entire state of California falls under the authority of the Contractors State License Board (CSLB).
To legally perform septic tank work, including construction, installation, and maintenance, you must obtain a C42 Sanitation System Contractor license from the California Contractors State License Board.
The California septic license requirements include:
Acquire a minimum of four years of related work experience under a licensed contractor.
Complete the contractor license application online.
Pay the $450 application fee.
Pass a background check, including fingerprinting.
Pass the required Trade exam and Law and Business exam.
Demonstrate proof of bonding and workers’ compensation insurance.
Pay the $200 initial license fee.
View the full California Septic Licensing Requirements.
Colorado
The Water Quality Control Commission (WQCC), a division of the Colorado Department of Public Health and Environment (CDPHE), oversees Regulation 43, which governs onsite wastewater treatment and septic systems.
In Colorado, the WQCC delegates licensing authority to each of the state’s counties, so long as they comply with Regulation 43.
For example, In Boulder County, OWTS regulations require a license for onsite wastewater treatment system installers, property transfer inspectors, and cleaners. Licenses are issued to OWTS professionals by the Boulder County Public Health Septic Smart program.
Boulder County offers the following license classification:
The licensing process is similar for each classification. You typically need to complete an application, sign a code of ethics, complete a training course, and pay the licensing fee.
View the full Colorado Septic Licensing Requirements.
Connecticut
Licensing for septic cleaners and installers for the entire state of Connecticut is under the authority of the Connecticut State Department of Public Health.
There are two license types in Connecticut:
Subsurface Sewage Installer: Required for construction, installation, repairing, cleaning, or servicing subsurface sewage disposal systems (SSDS).
Subsurface Sewage Cleaner: Required for cleaning or servicing subsurface sewage disposal systems.
Installers must show verifiable experience as a participant in at least four subsurface sewage disposal system installations in the last five years, signed by the approving sanitarian, complete the license application, and pass the Subsurface Sewage Installer exam with PSI.
Cleaners only need to submit the license application and pass the Subsurface Sewage Cleaner exam with PSI.
View the full Connecticut Septic Licensing Requirements.
Delaware
The Delaware Department of Natural Resources and Environmental Control (DNREC) Division of Water issues licenses for designing, installing, and maintaining onsite wastewater treatment and disposal systems.
Delaware offers the following license classifications:
Class A – Percolation Tester
Class B – Designer
Class C – Designer
Class D – Site Evaluator
Class E – System Contractor/Installer
Class F – Liquid Waste Hauler
Class H – System Inspector
Class I – Construction Inspector
License requirements include:
Apply online using the Digital DNREC ePermitting system and pay the $40 application fee.
Meet specific qualifications and experience requirements as outlined in Section 4.0 of the Title 7 Natural Resources & Environmental Control Delaware Administrative Code.
Pass an exam.
View the full Delaware Septic Licensing Requirements.
Florida
To operate as a septic installer, maintenance provider, or maintenance technician, Florida statutes require you to be licensed and registered by the Florida Department of Environmental Protection.
Florida offers two license classifications, Registered Septic Tank Contractor and Master Septic Tank Contractor.
Both license classifications require a minimum of three years of work experience under a licensed septic contractor or plumber, passing a licensing examination, providing references of recent projects, completing an application, and paying licensing fees.
View the full Florida Septic Licensing Requirements.
Georgia
The Georgia Department of Public Health (DPH) - Environmental Health Section is responsible for licensing septic installers and pumpers at the state level.
A Pumper license is required for individuals or companies that pump septic tanks, grease traps, or other onsite sewage systems.
An Installer license allows the license holder to install residential and commercial septic systems with no limit on tank size or design flow.
Licensing requirements for both the Installer and Pumper licenses include:
Gain employment with a certified company.
Submit an application to the Georgia Department of Public Health and pay the $100 certification fee.
Pass the license examination administered by your County Environmental Health Office with a minimum passing score of 70%.
View the full Georgia Septic Licensing Requirements.
Hawaii
In Hawaii, septic licenses are issued by the Department of Commerce and Consumer Affairs Professional & Vocational Licensing Division.
To perform septic work in Hawaii, you need to be a licensed contractor with one of the following classifications:
C-9 - Cesspool Contractor: Permits the license holder to perform septic tank pumping and install cesspools, drain fields, and septic tanks in compliance with the requirements of the Hawaii Department of Health (DOH).
C-37a - Sewer & Drain Line Contractor: Permits the license holder to install sewer lines from house to city sewer systems with connections, and to install septic tanks, package sewage treatment systems, and related work within property lines.
Hawaii septic licensing requirements include:
Obtaining four years of supervisory experience in the license classification for which you are applying.
Passing a licensing exam and submitting a financial statement prepared by a CPA.
Obtaining workers' compensation and general liability insurance.
View the full Hawaii Septic Licensing Requirements.
Idaho
Licensing for Idaho septic installers is under the authority of the Idaho Department of Environmental Quality (DEQ). To operate as a septic system installer in Idaho, you must have a Basic or Complex Septic Installer license.
Idaho septic license requirements include:
Attend an installer training class or watch an installer video.
Obtain a certificate of passing the Basic or Complex Septic Installer exam.
Submit a septic installer permit application to the local health district.
Pay a registration permit fee to the local health district.
Show proof of payment to a surety company for a secure bond of $5,000 for a Basic Installer license or $15,000 for a Complex Installer license.
View the full Idaho Septic Licensing Requirements.
Illinois
The Illinois Department of Public Health (IDPH) licenses Private Sewage Disposal Installation Contractors and Private Sewage Disposal Pumping Contractors.
A Private Sewage Disposal Installation Contractor license is required for constructing, installing, repairing, modifying, or maintaining private sewage disposal systems.
A Private Sewage Disposal Pumping Contractor license is required for those who clean or pump waste from a private sewage disposal system or haul or dispose of human waste.
Illinois septic licensing requirements include:
Submit a Private Sewage Examination application 30 days before the exam to the Illinois Department of Public Health.
If you have one, send a copy of your Illinois or City of Chicago plumbing license. It’s not required, but those who have one of these plumbing licenses are exempt from paying the annual private sewage contractor license fee.
Pay the $100 exam application fee.
View the full Illinois Septic Licensing Requirements.
Indiana
In Indiana, licensing for septic professionals falls under the individual counties. Many counties, including Marion, Floyd, and Hendricks, accept Installer and Inspector certificates granted by the Indiana Onsite Wastewater Professional Association. For Marion and Hendricks counties, the IOWPA is required.
IOWPA issues two types of certificates:
Installer Certificate: Installers are experienced contractors who install state-approved onsite sewer systems.
Inspector Certificate: Inspectors may be installers, realtors, home inspectors, environmental health officers, etc.
Both license classifications require applicants to complete an application, attend a training program, and pass a licensing exam. Additionally, inspectors must perform five onsite inspections alongside an IOWPA inspector.
View the full Indiana Septic Licensing Requirements.
Iowa
In Iowa, local health departments or environmental health divisions regulate onsite wastewater treatment systems serving four homes or fewer or less than 15 people, while the Iowa Department of Natural Resources regulates larger, public systems per the Iowa Administrative Code (IAC).
Septic licenses in Iowa include:
Time of Transfer Inspector: Required to assess septic systems before the sale or deed transfer of properties.
Commercial Septic Tank Cleaner: Required for professionals or firms engaged in septic tank pumping and cleaning.
Drinking Water and Wastewater Operator: Required for water and wastewater operators.
Time of Transfer Inspectors need to obtain two years of experience in the operation, installation, inspection, design, or maintenance of private sewage disposal systems or complete the "Basics of Onsite 101" class offered by the Onsite Wastewater Training Center of Iowa. They also need to complete the Time of Transfer Inspector Training offered by the Des Moines Area Community College.
Cleaners only need to fill out an application and pay a licensing fee.
Drinking Water and Wastewater Operators need to submit a license application and pass an examination.
View the full Iowa Septic Licensing Requirements.
Kansas
In Kansas, septic licenses are issued at the local level. This means licensing requirements for septic installers or servicers vary depending on county or city regulations.
In Johnson County, the county with the highest population in the state, the Johnson County Department of Health and Environment issues licenses for Septic Designers, Installers, Pumpers, and Haulers.
In Sedgwick County, which includes Wichita, septic contractors must obtain a Wastewater Contractor business license with the Metropolitan Area Building and Construction Department.
It’s important to check with the jurisdiction where you plan to work to make sure you meet licensing or registration requirements. Local government websites or county sanitarian offices are good places to start to research local regulations.
View the full Kansas Septic Licensing Requirements.
Kentucky
In Kentucky, septic regulations are overseen by the Cabinet for Health and Family Services Department of Public Health’s Environmental Management Branch, within the Onsite Sewage Disposal Systems Program. However, the Onsite Sewage System Program licensing is administered through local health departments.
There are four levels of certification within the state of Kentucky:
Probationary: Can utilize/install gravity distribution, rock trenches/beds, leaching chamber trenches/beds, and lagoons on residential systems only.
Full: Can utilize/install all of the above, plus dosed systems, fill-and-wait systems, and leaching chambers at grade constructed wetlands for residential, commercial, industrial, and public facilities.
Advanced: Can utilize/install all of the above, plus low-pressure pipe, drip irrigation, advanced treatment, experimental technology, mounds, and clusters for residential, commercial, industrial, and public facilities.
Master: Can do all of the above, and only has to obtain CEUs every other year versus every year in other categories.
The steps to get a Probationary certificate include the following:
Submit a completed application (Form DFS 303) to your local health department.
Provide proof of liability insurance.
Pay a $25 exam fee and pass the exam.
To move on to each of the additional levels, you must complete continuing education and take an approved training course.
View the full Kentucky Septic Licensing Requirements.
Louisiana
Licensing and registration for septic professionals in the state of Louisiana falls under the authority of the Bureau of Sanitation Services’ Onsite Wastewater Program (OSWW).
Louisiana issues three types of Installer licenses:
Basic License: Required for the installation and maintenance of septic tanks/field lines, septic tanks/oxidation ponds, septic tanks/sand filters, or limited-use systems.
Combination License: Required for the installation and maintenance of mechanical treatment plants. This license may be obtained only in conjunction with a Basic License, though it is considered to be a separate license.
Maintenance License: Required for the maintenance of mechanical treatment plants, and does not apply to installations.
The steps to obtain any of the septic licenses listed above are similar with variations in the required endorsements and fees. The process includes:
Complete a training course approved by the Sanitation Services Section of the Office of Public Health, Louisiana Department of Health, which requires passing the workshop exam.
Obtain general liability insurance coverage of at least $100,000 each occurrence/$300,000 aggregate per person.
Submit the license application packet with a $100 application fee paid via check or money order per license type.
View the full Louisiana Septic Licensing Requirements.
Maine
While Maine does not require a license to install or inspect septic systems, there is a voluntary certification program administered by the Maine Department of Environmental Protection, Non-point Source Training and Resource Center and the Division of Health Engineering for septic system installation and septic system inspection.
To design new septic systems, a Site Evaluator license is required from the Maine Department of Health and Human Services Center For Disease Control & Prevention Division Of Environmental Health.
The steps to obtain a Voluntary Onsite Wastewater Disposal System Installer or Inspector certification include:
Attend an all-day Basic System Installation Training Session conducted by the Subsurface Wastewater Program.
Submit two completed HHE-200 Forms (wastewater disposal system designs) that were permitted and approved by the local plumbing inspector or code enforcement officer.
Fill out the application.
The steps to obtain a Site Evaluator license include:
Meet one of the following experience and education requirements:
Be a graduate from an accredited college or university with an undergraduate degree in engineering, geology, pedology, or similar discipline and have 12 months of site evaluation work experience.
Be a high school graduate or its equivalent and have four years of site evaluation work experience.
Fill out an application, which requires three references, one of whom must be a licensed Site Evaluator. There is a $25 application fee.
Pass written and field portions of the required exam, which incurs a $100 fee.
Pay $100 license fee.
View the full Maine Septic Licensing Requirements.
Maryland
The Maryland Department of the Environment State Board of On-Site Wastewater Professionals requires all septic workers to obtain an On-Site Wastewater Services license. Maryland also offers additional certifications for onsite wastewater professionals.
Maryland septic license requirements include:
Complete the license application.
List any existing licenses or certifications (this is optional).
Pay the Bay Restoration Fund (an annual payment to support the protection of water quality in the Chesapeake Bay and safeguard environmental health). The fee varies by county.
Pay the $150 license fee.
Direct any questions about the license process to OWWP.Board@maryland.gov. You can find more information on the Maryland State Department of the Environment website, including an FAQ section and details about the permit process.
View the full Maryland Septic Licensing Requirements.
Massachusetts
The Massachusetts Department of Environmental Protection (MassDEP) oversees Massachusetts Title V rules, which specify how to install, use, and maintain septic systems while protecting public health and water quality.
MassDEP issues certifications for Soil Evaluators and Septic System Inspectors. Septic system design, installer, and hauler licenses are issued by local boards of health and health departments, so make sure to check local regulations where you plan to work.
Massachusetts licensing requirements include obtaining work experience, completing a required course through the New England Interstate Water Pollution Control Commission (NEIWPCC), and passing an exam.
View the full Massachusetts Septic Licensing Requirements.
Michigan
The Department of Environment, Great Lakes, and Energy issues two licenses required for the removal and transport of septage waste:
Septage Waste Servicing license
Septage Waste Vehicle license
Additionally, local public health departments have their own licensing requirements for septic system installers.
Requirements for a Septage Waste Servicing or Septage Hauler Vehicle license in Michigan include:
Obtain written approval from all receiving facilities you intend to use for sewage disposal.
Complete 10 hours of approved education courses in the two-year period prior to applying.
Fill out the license application.
Pay required fees: $200 for Septic Waste Servicing and $350 per Septic Waste Vehicle.
View the full Michigan Septic Licensing Requirements.
Minnesota
The Minnesota Pollution Control Agency (MPCA) oversees Subsurface Sewage Treatment System (SSTS) licensing for businesses and certifications for individuals. All Minnesota businesses that design, install, repair, maintain, operate, or inspect septic systems must be licensed with the MPCA.
Licensed businesses are required to employ at least one certified individual for each specialty offered (maintainer, installer, service provider, designer, inspector).
Minnesota offers multiple certifications related to septic work. You can find additional information about each certification here.
To obtain a Minnesota SSTS business license, follow these steps:
Obtain a surety bond and general liability insurance.
Fill out an application.
Mail application form with required documents, including proof of employment for an STTS certified individual per specialty, to SSTS Licensing Coordinator, Certification and Training Unit, Minnesota Pollution Control Agency.
Pay the $200 license fee.
View the full Minnesota Septic Licensing Requirements.
Mississippi
While Mississippi offers no state-level licensure for septic operators, the Mississippi State Department of Health On-Site Wastewater Program issues required certifications for septic professionals to work in the state.
Mississippi septic certification include:
Certified Evaluator: Required to design and construct individual onsite wastewater disposal systems.
Certified Installer: Required to install individual onsite wastewater disposal systems.
Certified Pumper: Required to pump and clean individual onsite wastewater disposal systems, lift stations, holding tanks, portable toilets, and grease traps.
Certified Manufacturer: Required to register an individual onsite wastewater disposal or wastewater treatment system product or alternative treatment or disposal component in the State of Mississippi.
All certifications require you to complete an application, pass an examination, obtain a general business liability insurance policy, and pay a certification fee. Certified Pumpers must also undergo a vehicle inspection.
View the full Mississippi Septic Licensing Requirements.
Missouri
Licensing and registration for septic professionals in the state of Missouri falls under the authority of the Missouri Department of Health and Senior Services (DHSS), within the Missouri Department of Natural Resources.
Missouri septic license classifications include:
Basic Onsite Wastewater Treatment System Installer
Advanced Onsite Wastewater Treatment System Installer
Licensed Onsite System Inspector/Evaluator
The steps to getting any of the septic licenses listed above are similar, with variations in the required training and tests.
Contact the DHSS to be put on their mailing list and receive a course application about 30 days before the next installers course is offered.
Apply for the required course, and pay the appropriate application fee.
Complete license-specific training course.
Pass the exam and receive your registration or license ID card.
View the full Missouri Septic Licensing Requirements.
Montana
The Montana Department of Environmental Quality licenses septic pumpers at the state level. Visit the DEQ resource page for additional information, including FAQs and the Homeowners Guide to Septic Systems.
Montana counties also have their own wastewater regulations and licensing requirements. County health departments are responsible for issuing septic permits and collecting permit fees as well as managing site evaluations, groundwater monitoring, and subdivision reviews.
Follow these steps to get a Montana Septic Tank Pumper license.
Complete the license application.
Register your business with the Montana Secretary of State.
Include a check or money order for $300.
Include a signed affidavit from the county health officer where you plan to work.
Submit the license application to the Montana DEQ.
View the full Montana Septic Licensing Requirements.
Nebraska
Nebraska’s Private Onsite Wastewater Treatment System Contractors Certification and System Registration Act (Onsite Act) requires that anyone doing work associated with onsite wastewater systems be certified.
The Nebraska Department of Environment and Energy Onsite Wastewater Program oversees certification for onsite professionals of septic systems.
Nebraska offers the following license classifications for septic workers:
Journeyman Installer
Master Installer
Soil Evaluator
Inspector
Journeyman Pumper
Master Pumper
The certification steps are generally the same regardless of credential type you get through the NDEQ, with variations in the exam, exam fee, and certificate fee.
Submit an application.
Submit a Citizen Attestation form.
Pay a $50 exam fee per category you wish to be certified in.
Pay certification fee.
Pass the exam.
View the full Nebraska Septic Licensing Requirements.
Nevada
The Department of Health and Human Services Nevada Division of Public and Behavioral Health (DPBH) Environmental Health Services Section issues licenses to Septic Pumping Contractors in the state.
Follow these steps to obtain a Nevada Pumping Contractor license:
Fill out the Permit to Operate and Septic Tank Pumping Operator forms.
Provide a copy of the vehicle registration for each vehicle to be used.
Provide “will serve” letters for disposal locations.
Pay a $332 fee for license issuance.
View the full Nevada Septic Licensing Requirements.
New Hampshire
The New Hampshire Department of Environmental Services is responsible for permitting Individual Sewage Disposal System Installers and Designers.
New Hampshire septic license types include:
Individual Sewage Disposal System Installer: The licensee is responsible for the physical construction and installation of new septic systems based on approved designs, including septic tanks, leach fields, and other system components according to approved plans.
Individual Sewage Disposal System Designer: The licensee is responsible for performing site assessments and designing septic systems that comply with New Hampshire state regulations. Permitted designers can perform septic inspections, percolation tests, and topographical assessments.
Follow these steps to get a New Hampshire septic license:
Demonstrate a sound working knowledge of the procedures and practices required in the site evaluation, design, and operation of subsurface sewage or waste disposal systems.
Pass the permitting exam.
Pay the $80 exam fee.
Mail the application to the New Hampshire Department of Environmental Services.
View the full New Hampshire Septic Licensing Requirements.
New Jersey
There’s no statewide licensing for septic professionals in the state of New Jersey. Instead, septic licensing is managed at the local level.
For example, the Borough of Oakland, New Jersey, offers two septic license types:
Septic Contractor: Required to repair, alter, and construct septic systems in Oakland.
Septic Cleaner/Pumper: Required to pump septic systems in Oakland.
Follow these steps to get a Septic Contractor or Cleaner/Pumper license in Oakland:
Septic Contractor license in Oakland:
Obtain a valid Contractor Registration card from the Division of Affairs.
Call the Department of Health Secretary (201-337-9254) to schedule a time to take the Septic Installer's Examination, which incurs a $100 fee.
Obtain a $20,000 one-year license bond and a $1,000,000 general liability insurance policy.
Submit the license application form.
Pay $150 application fee.
Septic Cleaner/Pumper license in Oakland, follow these steps:
Submit the license application.
Pay $150 application fee.
View the full New Jersey Septic Licensing Requirements.
New Mexico
The New Mexico Environment Department issues licenses for septic professionals in the state of New Mexico.
The types of septic licenses in New Mexico are:
Septage Pumper: Authorizes individuals or companies to pump, transport, and dispose of septic waste from residential and commercial septic systems.
Installer Specialist: Required for professionals who install septic systems, including conventional and advanced treatment systems.
Advanced Treatment System (ATS) Maintenance Service Provider: Allows individuals to maintain and service advanced treatment septic systems.
Third-Party Evaluator: Authorizes individuals to inspect and assess septic systems for real estate transactions, property owner compliance, and operational efficiency.
Follow these steps to obtain a Septage Pumper license:
Complete the Vacuum Truck Technician Training (VTT) certification program through the National Association of Wastewater Technicians (NAWT).
Submit application.
Pay $30 certificate fee.
Follow these steps to obtain an Installer Specialist license:
Meet prerequisite requirement: Must hold a plumbing (MM-1, MM-98, MS-1) or contractor (MS-3) license from the Construction Industries Division (CID).
Must meet one of the following experience requirements:
Three years of professional experience installing on-site liquid waste systems in New Mexico
Installed or repaired at least 100 on-site liquid waste systems in New Mexico in accordance with permits approved by NMED or Bernalillo County
Certified as an installer by a national industry or trade organization and have installed at least 50 on-site liquid waste systems in New Mexico
Complete 16 hours of training credits approved by NMED.
Complete NMED Liquid Waste Regulation training class and pass an exam.
Submit the application.
Pay a $150 fee.
Follow these steps to obtain an ATS Maintenance Service Provider license:
Must be certified by manufacturers you intend to service.
Must have NM Operator Certification for Small Advanced Wastewater Systems or Certification as Wastewater Operator from another state.
Submit the application.
Pay a $50 fee.
Follow these steps to obtain a Third-Party Evaluator license:
Meet prerequisite requirement: Must be certified by the NAWT as an on-site system inspector and have three year’s experience inspecting and evaluating on-site liquid waste systems in New Mexico.
Submit the application.
Pay a $50 fee.
View the full New Mexico Septic Licensing Requirements.
New York
In New York, both the state and local jurisdictions issue septic licenses. The New York State Department of Environmental Conservation (DEC) issues waste transporter permits for those who transport and dispose of septage.
Local jurisdictions also set licensing rules for septic installers, pumpers, and haulers. Typically, county health departments require septic contractors to complete training and receive a license.
Since each jurisdiction follows different rules, it’s important to check with government agencies in each locality you plan to work to ensure you meet all licensing or registration guidelines.
View the full New York Septic Licensing Requirements.
North Carolina
The North Carolina Onsite Wastewater Contractor Inspector Certification Board certifies septic installers and inspectors.
North Carolina offers the following septic license classifications:
Grade Level II Installer: Can install single septic tanks and systems up to 1,499 gallons per day (GPD).
Grade Level IV Installer: Can install systems equal to or greater than 3,000 GPD.
To get a Grade Level II Installer certification, follow these steps.
Complete a board-approved introductory on-site wastewater course.
Complete the Grade Level II Installer application.
Complete the exam application.
Pay the $200 application fee.
Pass the exam.
View the full North Carolina Septic Licensing Requirements.
North Dakota
The North Dakota Department of Environmental Quality (NDDEQ), a division of the North Dakota Department of Health, licenses Septic Tank Pumpers and Sewer and Water Installers/Contractors.
North Dakota septic license include:
Septic Tank Pumper: Enables the permit holder to clean septic systems, cesspools, privies, chemical toilets, holding tanks, and similar devices that receive domestic wastewater.
Sewer and Water Installer/Contractor: Enables the license holder to design, install, alter, operate, maintain, monitor, and manage all on-site sewage treatment systems.
License requirements for pumpers include completing a training course, passing an exam, and paying licensing fees.
Installers need to obtain two years of work experience before becoming eligible for the licensing exam.
Contractors must work at least one year as a licensed installer before becoming eligible for the licensing exam.
View the full North Dakota Septic Licensing Requirements.
Ohio
Licensing and registration for septic professionals in the state of Ohio falls under the authority of the Ohio Department of Health, as well as the local health departments where companies conduct business.
Ohio septic license classification include:
Installer
Maintenance Provider
Hauler
The requirements to become a registered septic professional are roughly the same for each classification. They include:
Fill out the required surety bond information packet for each type of work you wish to complete. Mail to Ohio Department of Health or email to sewage@odh.ohio.gov.
Pass the required exam, which incurs a $65 fee.
Once state registration is complete, register with the local health department in the city where you plan to conduct business.
View the full Ohio Septic Licensing Requirements.
Oklahoma
The Oklahoma Department of Environmental Quality (DEQ) certifies septic system installers and licenses those who pump, haul, or dispose of domestic wastewater from septic tanks, holding tanks, and chemical toilets.
Certified Installers may install a new system, perform the inspection, and complete the final backfill and grading without a DEQ inspection.
A Septage Pumper and Transporter License is required for businesses and drivers who pump, haul, or dispose of domestic wastewater.
Requirements for Installers include documenting five on-site sewage treatment system installations within a two-year period, obtaining a $75,000 surety bond, and completing certification training classes via the DEQ.
Pumpers must submit a Consent for the Disposal of Septage form, register all vehicles that will transport septage, obtain a $25,000 surety bond, complete two hours of initial training, and pass an examination.
View the full Oklahoma Septic Licensing Requirements.
Oregon
The Oregon Department of Environmental Quality is responsible for issuing septic licenses in the state.
Oregon offers the following license types:
Installer
Pumper
Combined Pumper/Installer
Oregon septic license requirements include:
Set up a user account with DEQ Online to access the application.
Choose a license type.
Complete the required pre-license training by attending the DEQ Initial Installer Certification or Maintenance Provider course offered by Chemeketa Community College. The courses include an exam.
File your corporation, LLC, partnership and/or assumed business name with the Secretary of State Corporate Division.
Obtain a Sewage Disposal Service Bond for $15,000 for Installer or Pumper/Installer licenses, and $5,000 for Pumper only licenses.
Pumper or Pumper/Installer license applicants must submit the Equipment Description/Vehicle Inspection form and pass an inspection by an on-site septic program agent.
View the full Oregon Septic Licensing Requirements.
Pennsylvania
While there isn't a specific state license for septic system installers in Pennsylvania, installing or modifying a septic system requires a system permit from the local Sewage Enforcement Officer (SEO). Certification and training to become a sewage enforcement officer is overseen by the Pennsylvania Department of Environmental Protection (DEP) Bureau of Clean Water.
The licensing requirements for a Sewage Enforcement Officer include:
Completing the required pre-certification training via the Clean Water Academy, which includes a course through SoilHub.
Completing the pre-certification Academy courses offered by the Pennsylvania Association of Sewage Officers.
Passing the exam.
View the full Pennsylvania Septic Licensing Requirements.
Rhode Island
Septic system licensing for Rhode Island is overseen by the RIDEM Onsite Wastewater Treatment Systems Permitting program.
Rhode Island license categories include:
Installer: Required to install, construct, alter, or repair an OWTS.
Class I Designer: Required for the design of a repair to an OWTS.
Class II Designer: Required for the design of an OWTS repair, a system for a building renovation (if it meets certain conditions), or a new building with wastewater flow under 900 gallons per day (as long as no special exceptions are needed).
Class III Designer: Authorizes the design of any OWTS.
To obtain an Installer license, follow these steps:
Submit application and $125 application fee to Rhode Island Department of Environmental Management Office of Water Resources.
Optional: Attend a two-day information and examination preparation course offered by the New England Onsite Wastewater Training Program (NEOWTP).
Pass exam.
To obtain a Class I or Class II Designer license, follow these steps:
Meet prerequisite requirement: For Class I, must hold Installer license. For Class II, registration as a Professional Land Surveyor with the Rhode Island State Board of Registration for Professional Land Surveyors is required to apply.
Submit application with $50 fee.
Pass exam.
To obtain a Class III Designer license, follow these steps:
Meet prerequisite requirement: Must be a Professional Civil or Environmental Engineer.
Submit application with $150 fee.
View the full Rhode Island Septic Licensing Requirements.
South Carolina
The South Carolina Department of Environmental Services issues licensing for septic workers in the state.
South Carolina septic license types include:
Tier 1 Installer
Tier 2 Installer
Tier 3 Installer
Pumper/Hauler
The licensing requirements to get any of the septic licenses listed above are similar, except for the Tier 3 license, which includes work experience and bonding requirements.
Complete the license application.
List septage disposal locations where you have permission to dispose of waste.
Pass the licensing exam with a minimum score of 80%.
If applying for a Tier 3 license, you must include a signed affidavit demonstrating at least 5 years of work experience and proof of a contractor bond.
Pass a vehicle suitability inspection if applying for a Pumper/Hauler license.
Pay the application fee.
Submit the application to the Department of Environmental Services.
View the full South Carolina Septic Licensing Requirements.
South Dakota
The South Dakota Plumbing Commission issues the certification for On-site Wastewater System Installers. An On-site Wastewater System Installer is responsible for the proper installation, maintenance, and repair of septic systems.
South Dakota septic installer requirements include:
Pass the licensing exam with a minimum score of 70%.
Complete the license application.
Mail the application to the South Dakota Plumbing Commission at 217 West Missouri Ave, Pierre, SD, 57501.
View the full South Dakota Septic Licensing Requirements.
Tennessee
The Tennessee Department of Environment and Conservation (TDEC) Division of Water Resources issues permits for septic workers.
Tennessee septic permit classifications include:
Septic Installer
Septic Pumper
Septage Disposal
To obtain a Septic System Installer permit, follow these steps:
Contact your local Environmental Field Office to schedule an exam.
Fill out the application form online.
Pay a $200 fee for a conventional permit and a $100 for each alternative permit you’d like to pursue.
To obtain a Pumping permit, follow these steps:
Contact your local Environmental Field Office to schedule a truck inspection.
Fill out the application form online.
Include written permission from the proper official when contents are to be disposed of at a public wastewater treatment plant or written permission of the property owner and disposal site operator when using a land application site.
Pay $200 fee.
To obtain a permit for domestic septage disposal, follow these steps:
Fill out the required permit application.
Submit it to your local Environmental Field Office, along with a high intensity soil map of the proposed disposal area and a plat with seal and signature of a registered surveyor.
Pay $400 fee.
View the full Tennessee Septic Licensing Requirements.
Texas
Licensing for septic installers for the entire state of Texas is under the authority of the Texas Commission on Environmental Quality (TCEQ).
Texas septic license types include:
Installer I
Installer II
Maintenance Technician
Maintenance Provider
The requirements for any of the septic licenses listed above are similar with variations in the required training, work experience, and tests.
Complete license-specific training course.
Meet specific work experience when required (Installer II and Maintenance Provider).
Apply to TCEQ, completing the appropriate application packet and pay the application fee.
Meet criminal history requirements, including fingerprinting.
Upon approval from TCEQ, take computer-based tests when required (OSSF Installer II and Maintenance Provider).
Pass the exam and receive your license.
View the full Texas Septic Licensing Requirements.
Utah
Utah requires an Onsite Professional Certification for septic workers in the state, issued by the Utah Department of Environmental Quality (DEQ) Onsite Wastewater Program.
There are three levels of licensure for Onsite Professional Certification:
Level 1: Required for soil evaluations and percolation testing.
Level 2: Required for septic system design, inspection, and maintenance of conventional systems, including site evaluations and percolation testing.
Level 3: Required for septic system installation, inspection, and maintenance of alternative systems or conventional underground wastewater disposal systems, including soil tests and percolation testing.
Utah certification requirements include:
Attend a certification training course through the Onsite Wastewater Program. There are separate courses for Levels 1 through 3.
Pass an exam after the course.
Submit application.
Pay $25 certification fee.
View the full Utah Septic Licensing Requirements.
Vermont
In Vermont, a license is required to design wastewater treatment systems. This license is issued by the Vermont Agency of Natural Resources Department of Environmental Conservation.
Additionally, the state’s Wastewater System and Potable Water Supply (WW) Program issues a voluntary WW Installer certification for contractors who install on-site wastewater treatment systems.
Vermont offers three Designer license types:
Class A Designer: Required for system design of wastewater systems that don’t require site modifications and to design one potable water supply that will serve one single family residence. The wastewater system or water supply is limited to a design flow of 1,350 gallons per day or less.
Class B Designer: Required to design wastewater systems that may require site modifications or the use of general approved innovative and alternative products and to design one potable water supply that will serve one single family residence. The wastewater system or water supply is limited to a design flow of 1,350 gallons per day or less.
Class BW Designer: Required to design the same systems and supplies as a Class B designer and may design potable water supplies for 1,350 gallons per day or less for two or more single family residences, buildings, structures, or campgrounds.
To obtain a Vermont Septic Designer license, follow these steps:
Submit a Designer Exam Application Form.
Pay the exam fee: $75 for Class A (written and field exams) or $50 for either Class B written exam.
Pass the exam.
To obtain a voluntary WW Installer certification, attend the following free workshops offered by Vermont State University:
Rules, System Components, and Site Layout
Soils and Installation Best Practices
Malfunctioning and Failed Septic Systems
View the full Vermont Septic Licensing Requirements.
Virginia
Licensing for septic professionals in Virginia falls under the authority of The Commonwealth of Virginia Board for Waterworks and Wastewater Works Operators and Onsite Sewage System Professionals. Virginia breaks septic licensing into three categories.
Installer licenses:
Conventional Onsite Sewage System Installer: Journeyman and Master designation
Alternative Onsite Sewage System Installer: Journeyman and Master designation
Operator licenses:
Conventional Onsite Sewage System Operator: Journeyman and Master designation
Alternative Onsite Sewage System Operator: Journeyman and Master designation
Evaluator Licenses:
Conventional Onsite Soil Evaluator: Journeyman and Master designation
Alternative Onsite Soil Evaluator: Journeyman and Master designation
Licensing requirements vary widely depending on the license type and designation.
View the full Virginia Septic Licensing Requirements.
Washington
The Washington State Department of Licensing issues licenses for On-Site Wastewater Treatment System Designers at the state level.
Additionally, local health departments or environmental health divisions handle certifications and septic permit applications for septic system installers, pumpers, and maintenance service providers.
Meet these requirements to obtain an On-Site Wastewater Treatment System Designer license in Washington:
Earn a high school diploma or its equivalent and obtain four years of experience showing increased responsibility as defined in WAC 196-32-020.
Submit your application, a completed Washington On-Site Wastewater Designer/Inspector Law Review, and your experience verification.
Pay $200 fee.
Pass the exam with an 80% or higher.
View the full Washington Septic Licensing Requirements.
West Virginia
The West Virginia Department of Health and Human Resources, Office of Environmental Health Services, Public Health Sanitation Division certifies Individual Sewage System Installers.
West Virginia offers two septic license classifications:
Class I Sewage System Installer: Applies to the installation of standard soil absorption systems, soil absorption beds, holding tanks, effluent lift stations, water wells, and grey water soil absorption systems.
Class II Sewage System Installer: Applies to those systems covered by the class I certificate plus all alternative and other individual or on-site sewer systems.
West Virginia licensing requirements include:
Complete the license application.
Complete the pre-license training course.
Schedule the licensing exam with the District Sanitarian.
Pay the $150 licensing fee (only required for Class I license).
Submit the application.
View the full West Virginia Septic Licensing Requirements.
Wisconsin
The Wisconsin Department of Natural Resources (DNR) licenses septage businesses and septage servicing operators. Only licensed plumbers may install septic systems.
Septage Operator Certification
The two certification grades for septage servicing operators include:
Grade T Certified Operator: Certified to conduct all aspects of septage servicing except septage land application. To receive this certification, operators must pass a Grade T exam.
Grade L Certified Operator: Certified to conduct all aspects of septage servicing, including septage land application. To receive this certification, operators must pass a Grade L exam.
Master septage operator certification
The two types of master operator certifications include:
Grade T Master Operator: Requirements include completion of 1,600 hours of work experience, completing a master operator training class, and passing a Grade T exam.
Grade L Master Operator: Requirements include completion of 1,600 hours of work experience, completing a master operator training class, and passing Grade T and L exams.
View the full Wisconsin Septic Licensing Requirements.
Wyoming
At the state level, Wyoming offers an Operator certification for small wastewater treatment facilities. The amount of required training is dependent on the type of wastewater system.
Operators are responsible for the daily operation and upkeep of wastewater treatment plants and related infrastructure. This encompasses tasks such as monitoring equipment, performing routine maintenance, and ensuring all components function correctly.
Wyoming licensing requirements include:
Meet the minimum experience and training requirements for the type of system you will work on.
Pass the certification exam. Find additional information about exams here.
Complete the small wastewater application package online.
View the full Wyoming Septic Licensing Requirements.
The states have licensing requirements for other trades, too. You can find out more about how to get an HVAC, plumbing, electrical, or contractor license in any of the 50 states through the ServiceTitan Licensing Hub.
