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City of Ilwaco Wastewater Treatment Plant

National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Apr. 11, 2018 - May. 10, 2018

We invite your comments on the draft permit for the City of Ilwaco Wastewater Treatment Permit (#WA0023159) located in Pacific county. We are renewing their permit that regulates the discharge of treated wastewater into the Columbia River Estuary.

View the City of Ilwaco Wastewater Treatment Plant draft permit and fact sheet in our database (PARIS).

We regulate wastewater released from municipalities and industries using the National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit. This permit regulates wastewater that goes directly into lakes, rivers, Puget Sound, or the ocean (surface water).  All wastewater must be treated before it goes into surface water to protect human health and aquatic life.  Learn more about water quality individual permits.

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Comment by mail

Carey Cholski
P.O. Box 47775
Lacey, WA 98504-7775
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Carey Cholski
Permit Administrator

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