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

12 - Secondary Treatment Overview

12 Secondary Treatment
A secondary treatment process employs the use of a highly concentrated suspension of microorganisms and bacteria to treat primary effluent…

1201 - Aeration Basins

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

1202 - Blower Systems

12 Secondary Treatment
El Estero is equipped with 3 centrifugal blowers to supply low pressure air to the aeration basins, primary and secondary feed/effluent…

1203 - Secondary Clarifiers

12 Secondary Treatment
Seven Secondary Clarifiers are equipped with sludge and scum collectors. 1203 - Secondary Clarifiers Equipment List

1204 - Return Activated Sludge

12 Secondary Treatment
The Return Activated Sludge process is powered by 4 centrifugal pumps that pump the sludge from a wet well back to the aeration basins.…

1205 - Waste Activated Sludge

12 Secondary Treatment
The Waste Activated Sludge process is currently out of service while Wasting from the Secondary System is being achieved by Waste Mixed…

1206 - Secondary Polymer System

12 Secondary Treatment
Secondary Polymer can be added to the Aeration Basin Effluent prior to being distributed to the Secondary Clarifiers. The Polymer system…

1207 - Secondary Scum / Waste Mixed Liquor

12 Secondary Treatment
The Secondary Scum System has been expanded to serve as the primary means for Secondary System Wasting via Waste Mixed Liquor. An automated…

1208 - Secondary Ammonium Sulfate System

12 Secondary Treatment
Ammonium Sulfate is dosed to the Secondary Clarifier Effluent channel as a source of ammonia for Chloramination in the Chlorine Contact…

1209 - Secondary Sodium Hydroxide System

12 Secondary Treatment
Sodium Hydroxide is used for alkalinity control and pH adjustment in the secondary process. Nitrification processes consume alkalinity.…

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 Blower (Turblex) Start Up

The Secondary Aeration System is equipped with three blowers:Two Roots blowers (normal operation)One Turblex blowerThe Turblex blower does…

12 Poor Settling - Bulking

This SOP discusses steps to take when bulking sludge is affecting effluent quality.

12 RAS Pump Start Up

Three 30 HP, variable speed, non-clog type pumps each with a capacity of 3750 gpm make up the RAS Pumping System. Two pumps provide…

12 Secondary Polymer

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

12 WAS Pump Start Up

Two 10 HP, variable speed, non-clog type pumps each with a capacity of 3750 gpm make up the WAS Pumping System. The Lead/Lag status of the…
Total results: 10 1

Plant Schematic

El Estero Schematic Drawing