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ARTICLE · 05 MARCH 2025

When Wildfire Toxins Contaminate Stormwater: Essential IGP Compliance Steps

Greenberg Glusker LLP
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On February 14, 2025, the California State Water Resources Control Board (State Water Board) issued a compliance guidance letter for industrial facilities subject...

United StatesEnvironment
Sherry E. Jackman
Sherry E. Jackman
Sedina L. Banks
Sedina L. Banks
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On February 14, 2025, the California State Water Resources Control Board (State Water Board) issued a compliance guidance letter for industrial facilities subject to the Statewide Industrial Stormwater General Permit (IGP) and located in wildfire-affected counties under a Governor-declared state of emergency. This guidance addresses wildfire-related contamination in stormwater discharges and outlines compliance options available to affected dischargers. The guidance recognizes that negative wildfire impacts on industrial facilities may include higher levels of pollutant in the stormwater discharges unrelated to the industrial activities. Below are the key takeaways.

Unrepresentative Stormwater Samples

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