All SBPL locations will be closed on January 19, 2026 for Martin Luther King Jr. Day.

17652
Title

O & M Manual

Sections
10 Preliminary Treatment
The primary objective of the Preliminary Treatment System is to prepare raw sewage for further treatment in the downstream processes.…

SOP Content Pages

This SOP covers procedures to be performed when it is anticipated that the El Estero Wastewater Treatment Plant will receive high influent…
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Plant Schematic

El Estero Schematic Drawing