We are working on economic and public safety response time analysis. Our next City Council meeting on the State Street Master Plan is anticipated in September 2025.

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Faulkner Gallery will be closed for audiovisual upgrades.
The Eastside Library will be partially closed from July 7-12.

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All SBPL locations will open late on Thursday, July 3. Visit our calendar for details.
All SBPL locations will be closed on Friday, July 4, for Independence Day.

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Title

O & M Manual

Body

El Estero Water Resource Center

EL ESTERO
GENERAL

PRELIMINARY
TREATMENT

PRIMARY
Treatment

SECONDARY
TREATMENT

TERTIARY
TREATMENT

SOLIDS
HANDLING

PLANT
UTILITIES

ELECTRICAL
DISTRIBUTION

ADMIN
FACILITIES

All PRocess Area OVerviews

Sections

1201 - Aeration Basins

12 Secondary Treatment

Primary Effluent feeds the Secondary Treatment Process. Six Aeration Basins are equipped with aeration systems and analytical control…

SOP Content Pages

12 Air Balancing

Air flow to the aeration basin grid system is distributed via a common airline that is equipped with isolation valves. The Operator…

12 Secondary Polymer

The Secondary Polymer System is not used during normal Secondary Treatment operations. A Polymer Solution is introduced to the…

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Plant Schematic