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Posted on: October 26, 2021

SASM Blending Event Notification

A Blending Event is when biologically treated wastewater (secondary effluent) is blended with wastewater diverted around biological or advanced treatment units (primary effluent). The SASM WWTP disinfects and dechlorinates all effluent, including blended effluent, before discharging to the Bay.

Blending Event Details:

Start Time: Sunday, 10/24/21 at 2:52 am
End Time: Monday, 10/25/21 at 3:55 am
Duration (accumulated total): 1 hour 10 minutes
Total amount blended: 32,142.81 gallons

View the Initial Blending Event Notification Document

View the Final Blending Event Notification Document

If you have any questions, please contact Roger Paskett at (415)388-2402 or email

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