National Pollutant Discharge Elimination System (NPDES)

Best Practices for NPDES Permit Writers and Pretreatment Coordinators to Address Toxic and Hazardous Chemical Discharges to POTWs

This guidance generally describes measures (“best practices”) NPDES permit writers and pretreatment coordinators should consider adopting to address hazardous and toxic chemical discharges to POTWs.

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Best Practices for NPDES Permit Writers and Pretreatment Coordinators to Address Toxic and Hazardous Chemical Discharges to POTWs (PDF)(24 pp, 1 MB)