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Pretreatment Inspector

Whittier, CA 90601

Posted: 09/22/2025 Employment Type: Full Time Category: County Job Number: PPI003443 Pay Rate: $50 - $61 per hour Work Location:

Job Description

The Pretreatment Inspector selected for this opportunity will gain key public sector experience in compliance with federal, state, and local wastewater pretreatment regulations that can effectively position you to pursue and obtain key, sought-after public sector jobs. We are looking for an Inspector that has 2+ years of direct experience in pretreatment or source control inspection to work hybrid (on-site and remote) and full-time (approximately 40 hours per week) in the Whittier area. 

As a Pretreatment Inspector, your duties and responsibilities will include, but are not limited to:

  • Perform routine and unannounced inspections of industrial and commercial facilities that discharge to the municipal wastewater system. Assess treatment systems, sampling procedures, discharge processes, and compliance with permits.
  • Review and process industrial wastewater discharge permit applications, prepare draft permits, and ensure conditions reflect applicable regulatory requirements.
  • Review self-monitoring reports, laboratory data, and records from dischargers to verify compliance with pretreatment standards.
  • Prepare detailed inspection reports, maintain accurate records in compliance databases, and assist with regulatory reporting as required.
  • Assist with minor enforcement actions, including Notices of Violation (NOVs) or follow-up inspections for facilities found in noncompliance.
  • Work with facility representatives, municipal staff, and regulatory agencies to communicate requirements, findings, and corrective actions.

Job Requirements

As a Pretreatment Inspector, you will have:

  • Minimum 2-3 years of direct pretreatment or source control inspection experience with a municipal agency, sanitation district, or regulatory body
  • Familiarity with EPA pretreatment program regulations and local discharge ordinances
  • Experience with industrial waste permitting compliance inspections, field sampling, and enforcement case development
  • Professional demeanor when interacting with industry representatives and municipal staff
  • Candidates must be legally authorized to work permanently in the U.S. (i.e., without time limitations, without restrictions or without need for work sponsorship in the U.S.)
  • Valid CA Driver’s License and proof of insurance

Additional Information

Project Partners provides professional benefits to its employees that meet the eligibility requirements. 

  • Medical and dental insurance
  • Paid time off
  • 401(k) and Profit-sharing programs

More About Project Partners Inc.: Project Partners Inc. is a Civil, Mechanical, & Electrical engineering consulting and staff augmentation firm that was founded in 1996. We exclusively serve Southern California cities, county agencies and special districts within Orange, Los Angeles, Riverside, San Bernardino, San Diego, and Ventura counties. Project Partners provides staff and services in the following engineering disciplines: Water / Wastewater, Public Works, Transportation, Solid Waste, Stormwater Management, and Construction Management. Our current staff have a broad range of expertise in Municipal Civil Engineering, Construction Management, Inspection, Contract Administration, Development Plan Review, Engineering Design, GIS, Operations and Maintenance, Planning, Project Management, Regulatory Compliance, and Water Quality. https://www.projectpartners.com/

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