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Contact Region 9

Pacific Southwest, Region 9

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

Pretreatment Program

Note: EPA no longer updates this information, but it may be useful as a reference or resource. Latest information is available at EPA's National Pretreatment Program site.

Pretreatment Quick Finder
NPDES Home Pretreatment Home Compliance & Enforcement Discharger Information Awards Local Limits Program Implementation Contacts

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