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
FINAL
EFFLUENT
TERTIARY
TREATMENT
SOLIDS
HANDLING
PLANT
UTILITIES
ELECTRICAL
DISTRIBUTION
ADMIN
FACILITIES
MOBILE
ASSETS
LIFT
STATIONS
All PRocess Area OVerviews 
Sections

17 - Electrical Distribution System Overview

17 Electrical Distribution
Electrical Distribution System Processes Sub Location Description 1700 General Electrical Distribution…

1701 - 66KV Sub Station

17 Electrical Distribution
El Estero is powered by a 66KV service from Southern California Edison. The Edison SubStation houses 66KV fuses and switching gear, a 66KV…

1702 - 4160 Main, Electrical Distribution

17 Electrical Distribution
El Estero's power is distributed to 5 substations and the Aeration System Blowers from the Main Switchgear housed in the SubStation A power…

1703 - Plant Standby Generation (2 MW)

17 Electrical Distribution
El Estero has redundant power from the 2 MW Generator. The generator is controlled automatically by an ATS adjacent to the main switchgear…

1704 - Sub Station A

17 Electrical Distribution
Sub Station A powers MCC-2.

1705 - Sub Station B

17 Electrical Distribution
Sub Station B powers MCC-1, MCC-8, and MCC-10.

1706 - Secondary Plant Standby Generation (900 KW)

17 Electrical Distribution
El Estero is equipped with a secondary emergency generator that feeds individual Emergency Motor Control Centers (EMCC) around the facility…

1707 - Sub Station C

17 Electrical Distribution
Sub Station C powers MCC-3

1708 - Sub Station D

17 Electrical Distribution
Sub Station D powers all of the solids handling processes including MCC-4, MCC-5, MCC-6, MCC-7, and MCC-9.

1709 - Blower System Electrical Distribution

17 Electrical Distribution
The Aeration System Blowers are powered by an individual 4160 breaker located in the Main Switchgear. Two 800 HP Howden and One 450 HP…

1710 - Sub Station E

17 Electrical Distribution
Sub Station E powers the Distribution Pump Station (MCC-11)

1711 - Cogeneration

17 Electrical Distribution
El Estero has a Public Private Partnership with California Power Partners to perform Cogeneration using Biogas produced by the Anaerobic…

SOP Content Pages

17 Utility Power Failure (SCE)

Because the treatment of wastewater is considered a critical service, it is imperative to have that function continue even with loss of…
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Plant Schematic

El Estero Schematic Drawing