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How to become a certified water/wastewater operator in New York. ABC certification accepted. CE hours: 30. Total initial fees: $307. Verified 2026-03-21. Data verified 2026-03-21. Source: LicenseMap (getlicensemap.com).
Water/Wastewater Operator — OIT/ORC
Governing Authority
New York State Department of Environmental Conservation (DEC) / New York State Department of Health (DOH)
Official website →Yes
Certification Required
Accepted
ABC Exams Accepted
Available
Water Treatment
Available
Wastewater Treatment
30 hrs
CE Hours
$307
Total Initial Fees
Education & Training Requirements
VerifiedMinimum Education
High school diploma or GED required; higher education can reduce experience requirements
Minimum Degree Level
High school diploma/GED
Approved Programs
DEC-approved pre-certification training; NYWEA-approved training courses
Water and wastewater operator certification requires at minimum a high school diploma or GED for entry-level positions. Higher certification levels may require additional education such as college coursework in water/wastewater technology, environmental science, chemistry, biology, or engineering. Many community colleges and technical schools offer water/wastewater technology programs that prepare candidates for certification examinations. On-the-job experience at a treatment facility is also required, with hours varying by certification level.
ABC Certification & State Requirements
VerifiedABC Certification Accepted
Association of Boards of Certification
Water Treatment Cert.
Available
Wastewater Treatment Cert.
Available
Certification Details
NYWEA administers wastewater operator certification under contract with DEC. Qualifications include education, experience, training, laboratory proficiency (except Grades 1/1A), and passing ABC exam through PSI ($112). New operator application $195; renewal $205. DOH handles drinking water certification separately (no charge).
The ABC (Association of Boards of Certification) is the primary national examination body for water and wastewater operators. Approximately 35 states accept ABC standardized examinations for operator certification. Certification is typically tiered (e.g., Class I through IV or Grade 1 through 4) with higher levels corresponding to more complex treatment facilities and larger population served. Water treatment, water distribution, wastewater treatment, and wastewater collection are separate certification categories in most states.
Examination Requirements
VerifiedABC Examinations Accepted
Association of Boards of Certification
Exam Topics
Wastewater treatment, water treatment, distribution, collection, laboratory proficiency, regulations, safety, mathematics
Passing Score
70%
No State-Specific Exam
State Supplemental Examination
The ABC (Association of Boards of Certification) provides standardized examinations for water and wastewater operator certification, accepted by approximately 35 states. Examinations cover water treatment processes, distribution system operation, water quality analysis, laboratory procedures, regulatory compliance, safety protocols, and mathematics. A passing score of 70% is standard across most jurisdictions. Some states administer their own examinations covering state-specific regulations and treatment requirements. Separate examinations are typically required for water treatment, water distribution, wastewater treatment, and wastewater collection.
State Certification Requirements
VerifiedState Certification Required
State Certification Title
Certified Water/Wastewater Operator
Additional Notes
NYWEA administers wastewater certification under contract with DEC.
All 50 states and the District of Columbia require certification for water and wastewater treatment system operators under the federal Safe Drinking Water Act and Clean Water Act. Each state establishes its own certification program with tiered levels based on facility complexity and population served. The Association of Boards of Certification (ABC) provides standardized examinations used by approximately 35 states. Operators must demonstrate competency in treatment processes, water quality, regulatory compliance, and safety.
Facility Types & Operator Authority
VerifiedFacility Types
Wastewater treatment plants, drinking water treatment systems, water distribution systems
Certification Levels
Wastewater: Grade 1 through 4A with subclasses; Drinking Water: multiple levels
Multiple Certifications
Permitted
Supervision Requirements
Certified operator at appropriate grade required for each facility
Certified water/wastewater operators are responsible for the safe and compliant operation of water treatment plants, water distribution systems, wastewater treatment facilities, and wastewater collection systems. They ensure safe drinking water for public consumption and proper treatment of sewage before discharge. Operators must be certified at a level equal to or higher than the facility's classification. Most states allow operators to hold multiple certifications across water treatment, distribution, wastewater treatment, and collection categories.
| Fee | Amount |
|---|---|
Application Fee Wastewater application $195 to NYWEA + $112 PSI exam fee; drinking water is no charge | $195 |
Certification Fee Wastewater application $195 to NYWEA + $112 PSI exam fee; drinking water is no charge | $112 |
Renewal Fee | $205 |
Total Initial Fees Wastewater application $195 to NYWEA + $112 PSI exam fee; drinking water is no charge | $307 |
Renewal & CE Requirements
Verified3 years
Renewal Period
30 hrs
CE Hours Required
$205
Renewal Fee
CE Details
Training and continuing education hours required per 3-year renewal cycle. $50 late fee for incomplete or late renewals. DEC approves pre-certification and renewal training courses.
Regulatory Board
Water and wastewater operator certifications must be renewed on schedule with the state certifying authority. Renewal cycles typically range from 2 to 3 years with 12-30 continuing education hours per cycle. CE requirements typically cover treatment processes, water quality analysis, regulatory compliance updates, laboratory procedures, safety protocols, and emerging contaminants. Many states accept training from ABC-approved providers, state conferences, and online courses.
Out-of-State Reciprocity
VerifiedEndorsement Available
Yes
ABC Reciprocity
Yes
Reciprocity Requirements
Most states offer reciprocity or endorsement for water/wastewater operators certified in other states. States that accept ABC examinations generally offer smoother reciprocity for operators who have passed ABC standardized tests at the equivalent level. Requirements typically include verification of current certification, meeting experience requirements, and paying application fees. Some states may require a state-specific examination covering local regulations. Reciprocity agreements vary and should be verified with the specific state certifying authority.
New York has a two-agency system where wastewater certification is administered by a professional association (NYWEA) under DEC contract with significant fees, while drinking water certification through DOH is completely free.
NYWEA administers wastewater certification under contract with DEC.
Wastewater application $195 + PSI exam fee $112; renewal $205.
Drinking water certification through DOH is free of charge.
Laboratory proficiency required for Grades 2A and above.
Reciprocity guidelines available for out-of-state and Canadian-certified operators.
There is no interstate compact for water/wastewater operators. ABC member states generally recognize each other's ABC exam scores, providing significant mobility.
Explore requirements for other professional licenses in New York.
How this state compares to 50 others for this profession
Timeline
#1 of 51
Salary
#14 of 51
Cost
#50 of 51
Processing
#1 of 51
Based on May 2024 Bureau of Labor Statistics OEWS data for Water and Wastewater Treatment Plant and System Operators (SOC 51-8031)
Entry Level
$51,450
25th percentile
Median
$63,140
+8% vs. national avg ($58,260)Experienced
$80,450
75th percentile
Wage Distribution (Annual)
5,270 employed in this state
Source: BLS OEWS – Water and Wastewater Treatment Plant and System Operators (May 2024)
National employment projections for 2024-2034
Projected Growth
+2.3%
Below AverageNew Jobs
+3,000
over 10 years
Annual Openings
12,300
per year (avg.)
130,200 currently employed nationwide (2024)
Source: BLS Employment Projections 2024-2034 (September 2025)
Government fees and exam costs to obtain your initial license
Note: These are government licensing fees only. Education/training program costs (tuition, books, etc.) are not included as they vary widely by institution.
Estimated total: 32–76 weeks
Timeline estimated from licensing requirements on this page.
4 to 8 weeks after complete application submission
Estimated processing time
Study guides for water and wastewater operator certification exams.
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2025-2026 certification cycle
Accessed 2025-03-09
2025-2026 certification cycle
Accessed 2025-03-09
New York requires certification for water/wastewater operators. ABC examinations are accepted. All certification is managed through the New York State Department of Environmental Conservation (DEC) / New York State Department of Health (DOH).
Requirements vary by state. Always verify current requirements with your state certifying authority.