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Verified by OK Board of Trades

Water and Wastewater Treatment Plant and System Operators Licensing in Oklahoma

Review current requirements, exam details, renewal cycle, and salary outlook for water and wastewater treatment plant and system operators in Oklahoma, including See agency and board contact links.

Last verified: Feb 21, 2026

Current

Application Fee

See agency

Exam Requirement

State exam required

Renewal Cycle

See board renewal rules

Licensing Blueprint for Water and Wastewater Treatment Plant and System Operators in Oklahoma

Estimated timeline: Varies by board

Core Requirements

  1. 1

    Education: Specific course required.

  2. 2

    Experience: Work experience required.

  3. 3

    Background/Criminal Review: No criminal record prohibitions.

  4. 4

    License Type: Stand-alone license.

Exam and processing details

  • State exam required

Continuing education and program notes

  • certified as an operator for that type facility

Application Snapshot

  1. Licensing Authority

    Oklahoma State Department of Environmental Quality • (WQD) Water Quality Certification

  2. Current Filing Fee

    See agency

  3. Renewal Cycle

    See board renewal rules

  4. Salary Position

    $41,380 median (29% below national)

  5. State Salary Rank

    #48 of 50 states

Step-by-Step Process (7)

  1. 1. Meet Oklahoma eligibility requirements for Water and Wastewater Treatment Plant and System Operators licensure.
  2. 2. Complete required education or training: Specific course required.
  3. 3. Document required supervised experience: Work experience required.
  4. 4. Pass required examination steps: State exam required.
  5. 5. Prepare supporting documentation (background check: No criminal record prohibitions; Background/Criminal Review: No criminal record prohibitions.).
  6. 6. Submit the application to Oklahoma State Department of Environmental Quality~(WQD) Water Quality Certification and monitor board communications.
  7. 7. Maintain post-licensure compliance (continuing education: Continuing education required to maintain license).

Salary Insights in Oklahoma

With a median salary of $41,380, Water and Wastewater Treatment Plant and System Operatorss in Oklahoma earn 29% below the national median of $58,260. Oklahoma ranks #48 among 50 states. The typical licensing timeline is Varies by board.

State Hiring Climate (QCEW)

Steady

QoQ Employment Change

+1%

Average Weekly Wage

$1,137

Median annual salary

$41,380

Hourly estimate

$19.89
29% below national median

Difference: -$16,880

Percentile Distribution

Annual compensation
  • P1010th percentile$32,700
  • P2525th percentile$36,250
  • P50Median$41,380
  • P7575th percentile$49,380
  • P9090th percentile$60,190

State vs National Median

State: $41,380
National: $58,260

Total employment: 2,750 | Annual openings: N/A

Water and Wastewater Treatment Plant and System Operators Salary Ranking

#48 of 50 statesfor Water and Wastewater Treatment Plant and System Operators median salary
RankStateMedian Salary
#1California$82,100
#2Nevada$79,140
#3Washington$78,810
#4Alaska$76,910
#5New Jersey$75,200

Nearby States Comparison

Water and Wastewater Treatment Plant and System Operators licensing across the region
StateMedian SalaryEducationExamTimeline
Oklahoma$41,380Specific course requiredState exam requiredVaries by board
Kansas$47,950No educational requirementsState exam requiredVaries by board
Missouri$52,990No educational requirementsState exam requiredVaries by board
Arkansas$38,310Specific course requiredThird-party exam required1 month
Texas$48,110Specific course requiredState exam requiredVaries by board
New Mexico$46,680Varies by state boardState-approved examVaries by board
Colorado$68,220Specific course requiredThird-party exam requiredVaries by board

License by Endorsement

Transfer requirements are state-specific. Use this quick matrix as a planning signal, then verify final endorsement rules with each board.

StateReciprocity ScoreTierNotes
Oklahoma50LowState-specific exam conditions may apply. Documented experience may be required.
Kansas50LowState-specific exam conditions may apply. Documented experience may be required.
Missouri50LowState-specific exam conditions may apply. Documented experience may be required.
Arkansas50LowState-specific exam conditions may apply. Documented experience may be required.
Texas50LowState-specific exam conditions may apply. Documented experience may be required.
New Mexico78HighBoard-specific review required.
  • License status indicator: Active.
  • Continuing education indicator: Continuing education required to maintain license.
  • Reciprocity and transfer rules vary by state board. Verify directly with the agency.

Official Licensing Agency

Official website verified

Oklahoma State Department of Environmental Quality • (WQD) Water Quality Certification

707 N. Robinson St., Oklahoma City, OK, 73101-1677

Phone: 4057020100

Related Careers in Oklahoma

ProfessionMedian SalaryEducationTimeline
Aircraft Mechanics and Service Technicians$72,360Varies by state boardVaries by board
Automotive Service Technicians and Mechanics$41,720Varies by state boardVaries by board
Carpenter$47,740Degree requiredVaries by board
Construction and Building Inspector$58,810Specific course requiredVaries by board

FAQ

How long does it take to become a Water and Wastewater Treatment Plant and System Operators in Oklahoma?

Most applicants finish the licensing path in about Varies by board, but timing can change based on education track, exam scheduling, and board processing.

What exams are required for Water and Wastewater Treatment Plant and System Operatorss in Oklahoma?

Oklahoma lists State exam required as part of the licensure process for Water and Wastewater Treatment Plant and System Operatorss.

What education do you need to become a Water and Wastewater Treatment Plant and System Operators in Oklahoma?

The board typically expects Specific course required for Water and Wastewater Treatment Plant and System Operators licensure in Oklahoma.

What is the typical Water and Wastewater Treatment Plant and System Operators salary in Oklahoma?

The median annual salary for Water and Wastewater Treatment Plant and System Operatorss in Oklahoma is $41,380. Salaries range from $32,700 (10th percentile) to $60,190 (90th percentile).

How does the Water and Wastewater Treatment Plant and System Operators salary in Oklahoma compare to the national average?

Water and Wastewater Treatment Plant and System Operatorss in Oklahoma earn 29% below the national median of $58,260, with a state median of $41,380.

How many Water and Wastewater Treatment Plant and System Operatorss work in Oklahoma?

Oklahoma employs approximately 2,750 Water and Wastewater Treatment Plant and System Operatorss according to BLS data.

Can I transfer my Water and Wastewater Treatment Plant and System Operators license to Oklahoma from another state?

Transfer requirements vary by board. License status indicator: Active. Continuing education indicator: Continuing education required to maintain license. Reciprocity and transfer rules vary by state board. Verify directly with the agency.

Who is the licensing agency for Water and Wastewater Treatment Plant and System Operatorss in Oklahoma?

The licensing agency is Oklahoma State Department of Environmental Quality / (WQD) Water Quality Certification. Review agency details at http://www.deq.state.ok.us/.

How often do you renew a Water and Wastewater Treatment Plant and System Operators license in Oklahoma?

Current guidance indicates a renewal cycle of See board renewal rules.