Sources: Oklahoma Office of Management and Enterprise Services (OMES), Human Capital Management, Oklahoma Pay Structures for State Employees (effective 08/30/2026) and OMES Job Catalog; U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates. Data captured September 30, 2026.
Oklahoma state pay plan Sourced
Published rates for each class, lowest first, effective August 30, 2026. These are the ranges Oklahoma sets for its own state employees; cities, counties and school districts have their own pay plans.
| Class and grade | Published rate |
|---|---|
| Environmental Investigator I Class R22A Grade J | $30,593 – $127,058 a year |
| Environmental Investigator II Class R22B Grade K | $33,440 – $140,961 a year |
| Environmental Investigator III Class R22C Grade M | $40,829 – $178,547 a year |
| Environmental Investigator IV Class R22D Grade N | $45,321 – $186,919 a year |
Schedule: State Employee Pay Structure. Rates are as the plan publishes them; "a year" figures are conversions. Classes are matched to this job by title (GovJobsWiki editorial rule).
Source: Oklahoma Office of Management and Enterprise Services (OMES), Human Capital Management, Oklahoma Pay Structures for State Employees (effective 08/30/2026) and OMES Job Catalog. Data captured September 30, 2026.
Pay in Oklahoma, all employers Sourced
Compliance Officers (SOC 13-1041) in Oklahoma, all employers combined: BLS state estimates do not separate government from private.
| Measure | OK |
|---|---|
| Workers | 4,230 |
| 10th percentile | $42,340 |
| Median | $63,000 |
| 90th percentile | $105,360 |
| National median, government employers | $80,810 |
Sources: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates; U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — national estimates by ownership. Data captured September 30, 2026.
More about this job
Requirements, hiring process, training, schedule and day-to-day work are on the national Environmental Compliance Inspector page.