Staff reports delays in outfall screening and progress on Dan Gamble drain dye testing

Jul 21, 2026

Staff said outfall sample collection has been delayed by repeated rain events (72-hour hold requirement) but that the Dan Gamble drain dye-testing investigation has reached permitting steps for the last identified system and the health department is satisfied with progress.

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Staff member (MCM) told the board that frequent rain events have limited opportunities for required outfall sampling because protocol requires waiting 72 hours after a rain event to enter creeks for samples. The staff update said the current five-year permit cycle for receiving waters is complete and that the program aims to sample the reservoir and additional segments of Wildcat Creek when windows allow.

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