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Environmental & Energy

Aug. 17, 2026

Storm water rules make a splash in Los Angeles

A new regional storm water permit expands compliance obligations to previously unregulated Los Angeles County facilities, requiring operators to evaluate storm water and potentially address pollutants draining from their properties.

Jon-Erik Magnus

Jon-Erik Magnus is a shareholder in the Environmental practice group at Rogers Joseph O'Donnell, P.C. in San Francisco.

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Storm water rules make a splash in Los Angeles
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On July 23, the Los Angeles Regional Water Quality Control Board (LARWQCB) adopted an order that establishes the Commercial, Industrial, and Institutional (CII) Permit. The CII Permit is a regional stormwater general permit that expands storm water regulations and compliance obligations to previously unregulated commercial, institutional and institutional locations and previously exempted industrial facility areas located within Dominguez Channel/Los Angeles and Long Beach Inner Harbor Wat...

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