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Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

Pretreatment Program

Pretreatment Quick Finder
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Program Implementation

Sampling
Sampling

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This page contains information concerning regulatory requirements and guidance useful to municipalities and dischargers in complying with pretreatment requirements, and in the implementation of the pretreatment program.

Local Limits

Municipalities develop and enforce local limits to:

  • Ensure their municipal wastewater treatment plants comply with environmental standards
  • Safeguard worker health and safety
  • Protect wastewater collection and treatment physical assests including collection pipes and pump stations

Local limits reflect site-specific conditions including the number and types of industry, businesses and other non-domestic sources in a municipality's service area.

Contact Information
Pretreatment contacts

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