At a state environmental agency, EPA region, or municipal stormwater program, you inspect industrial and municipal facilities for compliance with water-pollution-control laws — NPDES permits, stormwater rules, pretreatment requirements — through scheduled and complaint-driven visits.
A typical week often involves facility inspections, sample collection, file review, and the writing that documents findings — visiting permitted dischargers, pulling wastewater or stormwater samples, reviewing discharge monitoring reports, drafting inspection reports that may lead to enforcement. You're often the regulatory voice on facilities discharging to surface waters or municipal sewer systems. Inspections completed and violations documented are the operating measures.
The harder part is often the technical depth required across many industries — water-pollution-control inspectors see metal finishing, food processing, automotive, petroleum, and many other sectors, each with characteristic discharge profiles. Variance across employers is wide: at large state agencies the work runs as a discipline with sector specialization; at smaller jurisdictions the role tilts more generalist.
The role suits people who are technically curious, observant, and even-tempered with facility operators. Hazwoper 40, NPDES-specific training, and state inspector credentials anchor advancement. The trade-off is the field conditions — wastewater systems are not pleasant environments to sample — and the windshield time of inspection territories.
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Roles like this one sit within a broader occupational category. The numbers below reflect that full landscape — helpful for context, but your specific experience will depend on level, specialty, and where you work.
Roles with similar work and overlapping career paths
View all Business Operations roles →At a state environmental agency, EPA region, or municipal stormwater program, you inspect industrial and municipal facilities for compliance with water-pollution-control laws — NPDES permits, stormwater rules, pretreatment requirements — through scheduled and complaint-driven visits.
Median pay for a Water Pollution Control Inspector is about $78K nationally, with the field ranging roughly from $46K to $130K depending on experience, employer, and metro (BLS).
Core skills for this role include Reading Comprehension, Critical Thinking, Active Listening, Writing, and Speaking.
Most people in this role hold a bachelor's degree.
Employment in this field is projected to grow about 3% through 2034, with roughly 397,770 people working in it today (BLS).
Closely related roles include Quality Control Director (QC Director), Water Quality Specialist, and Water Analyst.
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