Notice of Availability of Preliminary Designation of Certain Stormwater Discharges Within Two Watersheds in Los Angeles County, California Under the National Pollutant Discharge Elimination System of the Clean Water Act

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The Regional Administrator of the Environmental Protection Agency (EPA) Region 9 is providing notice of availability and soliciting comment on the preliminary designation of stormwater discharges from certain commercial, industrial, and institutional (CII) sites in two watersheds in Los Angeles County, California for regulation under the Clean Water Act (CWA) National Pollutant Discharge Elimination System (NPDES) permitting program. This action, if finalized by EPA, will regulate stormwater discharges that contribute to a water quality standard violation or that are a significant contributor of pollutants to waters of the United States. EPA intends to make a final decision after consideration of all comments submitted.