Title
O & M Manual
Sections
12 Secondary Treatment
Seven Secondary Clarifiers are equipped with sludge and scum collectors. 1203 - Secondary Clarifiers Equipment List
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.…
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…
12 Secondary Treatment
Secondary Polymer can be added to the Aeration Basin Effluent prior to being distributed to the Secondary Clarifiers. The Polymer system…
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…
12 Secondary Treatment
Ammonium Sulfate is dosed to the Secondary Clarifier Effluent channel as a source of ammonia for Chloramination in the Chlorine Contact…
12 Secondary Treatment
Sodium Hydroxide is used for alkalinity control and pH adjustment in the secondary process. Nitrification processes consume alkalinity.…
13 PFE Disinfect & Dechlor
Disinfection, Dechlorination, Effluent Monitoring and Effluent Discharge
13 PFE Disinfect & Dechlor
The Chlorine Contact Chamber provides disinfection and dechlorination prior to Ocean Discharge of Secondary Effluent. It is equipped with a…
13 PFE Disinfect & Dechlor
The Sodium Bisfulfite System was abandoned and replaced in 2015 with the Tertiary Filter Upgrade Project. Additional pumps for CIP…
13 PFE Disinfect & Dechlor
Secondary Effluent is discharged to the ocean via a 1.5 mile long ocean outfall. Diffusers are spread along the last quarter mile of the…
13 PFE Disinfect & Dechlor
When the desalination plant was reactivated, Brine discharge was resumed and additional analytical and sampling equipment was added to…
14 Tertiary Treatment
Tertiary treatment at the El Estero Wastewater Treatment Plant will be achieved through membranes, utilizing microfiltration and…
14 Tertiary Treatment
Secondary Effluent is filtered in the UltraFiltration System for recycled water use. 3 automated skids hold up to 72 UF modules. Skids are…
14 Tertiary Treatment
During the Long term planning process, TDS was identified as a water quality concern for recycled water. Addition of a Reverse Osmosis…
14 Tertiary Treatment
Chemical Conditioning Systems were designed to support the UltraFiltration and Reverse Osmosis(future) processes. Currently, Sodium…
14 Tertiary Treatment
The Contact Basin provides disinfection in conjunction with the baffled recycled water reservoir for the recycled water system. Analytical…
14 Tertiary Treatment
El Estero is equipped with a 670,000 gallon on-site reservoir for recycled water storage. Secondary Effluent feed water and Recycled Water…
14 Tertiary Treatment
Recycled Water is distributed to non-potable use sites and the off-site reservoir by the Distribution Pump Station. The DPS is equipped…
15 Solids Handling
Solids Handling Processes
1500
General Solids Handling
1501
Gravity Thickener
1502
Dissolved Air…
SOP Content Pages
This SOP covers the process for providing safety training to staff to maintain compliance with Federal, State, and local requirements. This…
This SOP covers the procedures for ordering bulk chemicals at the El Estero Wastewater Treatment Plant. The bulk chemicals include ferrous…
For any fire, the operator should call the local fire department immediately. However, the first five minutes constitute the most critical…
This SOP covers procedures when the National Weather Service issues a Red Flag or high wind warning.
This SOP describes the actions that take place when the spill of any process fluids within the fenceline of the El Estero…
An industrial injury refers to a bodily injury by accident arising out of, and in the course of employment, and includes an injury caused…
Schools and other organizations are taken on a tour of the WWTP. The tour guide is an operator.
This SOP describes routine facility security at the El Estero Wastewater Treatment Plant.
Grit production below 160 gpm may indicate an obstruction in the grit system. A typical obstruction occurs in one of the grit hoppers…
The Grit Pumps and Hydrogritter operate independently of each other. During normal operation, influent (containing grit) is pumped by…
This SOP covers procedures to be performed when it is anticipated that the El Estero Wastewater Treatment Plant will receive high influent…
The Grit Pumps and Hydrogritter operate independently of each other. During normal operation, influent (containing grit) is pumped by…
Operators routinely check for normal operation of the Primary Clarifier equipment during daily rounds, at least 2 times per 24 hour period…
Operators routinely check for normal operation of the Primary Clarifier equipment during daily rounds, at least 2 times per 24 hour period…
Shutting down a clarifier involves taking the scum collector and sludge collection units offline. Also, the sludge transfer piping…
Shutting down a clarifier involves taking the scum collector and sludge collection units offline. Also, the sludge transfer piping…
Starting up a clarifier involves putting the scum collector and sludge collection units into service. Also, open the valves on the…
The Primary Sludge Pumps serve two main purposes:Transfer of sludge from the Primary Clarifiers to the Gravity Thickener.Drain sludge from…
The Primary Sludge Pumps serve two main purposes:Transfer of sludge from the Primary Clarifiers to the Gravity Thickener.Drain sludge from…
The Primary Sludge Pumps serve two main purposes:Transfer of sludge from the Primary Clarifiers to the Gravity Thickener.Drain sludge from…
Starting up a clarifier involves putting the scum collector and sludge collection units into service. Also, open the valves on the…
Air flow to the aeration basin grid system is distributed via a common airline that is equipped with isolation valves. The Operator…
The Secondary Aeration System is equipped with three blowers:Two Roots blowers (normal operation)One Turblex blowerThe Turblex blower does…
This SOP discusses steps to take when bulking sludge is affecting effluent quality.
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…
The Secondary Polymer System is not used during normal Secondary Treatment operations. A Polymer Solution is introduced to the…
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…
The chlorine residual anaylzers are used to control the amount of sodium bisulfite required to dechlorinate effluent. The application…
Sodium bisulfite is injected to the chlorine contact chamber (CCC) effluent prior to discharge for dechlorination purposes. …
Addressing the loss of disinfection is generally a series of troubleshooting activities and corrective actions. Typical causes of a…
Emergency backup power is typically provided to the Distribution Pump Station by the 2 MW Emergency Generator. If the public utility…
Emergency backup power is typically provided to the Distribution Pump Station by the 2 MW Emergency Generator. If the public utility…
The Distribution Pump Station is equipped with five pumps. Two pumps are variable speed and the other three pumps are constant speed…
The Distribution Pump Station is equipped with 2 variable speed pumps {tag nos. 1404PMP/MTR/VFD4100 & 1404PMP/MTR/VFD4200} and 3…
The Distribution Pump Station is equipped with 2 variable speed pumps {tag nos. 1404PMP/MTR/VFD4100 & 1404PMP/MTR/VFD4200} and 3…
During typical operation of the Reclaimed Water System, the DPS Pumps {tag no. 1404PMP4100, 1404PMP41200, 1404PMP4300, 1404PMP4400,…
The Filter Feed Pumps are typically run under automatic control from the Belt Filter Press local control panel. One pump is in…
The dewatering system is turned off by the swing shift operators before the end of their shift. The systems are turned back on in the…
The dewatering system is turned off by the swing shift operators before the end of their shift. The systems are turned back on in the…
Two SOPs are provided for DAFT Shutdown. Short term shutdown shuts off all feed to the DAFT. Long term shutdown…
This SOP is only necessary if the polymer pumps are being taken out of service. It should be noted that the Liquid Polymer system is…
This SOP can be skipped when the Filter Feed Pumps have been running normally and are under AUTO control by the Belt Filter Press.One…
Marrborg Industries delivers FOG to the WWTP on a daily basis. Typical deliveries involve 1 or 2 trucks, containing a total volume of…
Typically, the Gravity Thickener drive unit operates continuously. If power to the equipment is shutoff, an alarm is signaled by…
Starting up the Gravity Thickener involves putting the collector drive into service and adding Elutrient Water to the Gravity Thickener…
The two Heat Exchangers {tag nos. 1505EXR5861 & 1505EXR56825} are typically fueled by the Cogeneration System, which is managed and…
Digester gas samples are collected and evaluated each morning. If the sample concentration is less than 100 PPM, ferrous chloride…
Typically, the High Rate Mixing Pumps run in automatic mode, 24 hours per day, seven days per week.
Typically, the High Rate Mixing Pumps run in automatic mode, 24 hours per day, seven days per week.
The Belt Press Filter cannot operate without polymer conditioning. If the Dry Polymer System is out of service, the Liquid Polymer System…
The Belt Press Filter cannot operate without polymer conditioning. If the Dry Polymer System is out of service, the Liquid Polymer System…
Valve rotations for the Digester Mixing System are performed each day at 3:00 p.m. (even months = day shift crew, odd months = swing…
The Digester Recirculation Pumps {tag nos. 1505PMP/MTR5300 & 1505PMP/MTR5400} are also called the Digester Heater Pumps. …
Valve rotations for GT/DAF Sludge Feed, Sludge Recirculation, and FOG Feed are performed each day at 7:00 a.m. (day shift crew), 3:00 p.m…
The Thickened Sludge Pump Station is equipped with three variable speed progressive cavity pumps. The general function of each pump…
Starting up the DAFT thickener involves putting the rotating surface scraper drive unit and the Dissolution system into service. Start…
The Elutrient Pumps are in operation while the Gravity Thickener is in service. Elutrient pump operation is typically controlled by…
The Elutrient Pumps are in operation while the Gravity Thickener is in service. Elutrient pump operation is typically controlled by…
Treatment systems at the WWTP use Recycled Water for process and equipment water. In general, this SOP simply involves connecting…
Treatment systems at the WWTP use Recycled Water for process and equipment water. In general, this SOP simply involves connecting…
Treatment systems at the WWTP use Recycled Water for process and equipment water.
The SCADA (Supervisory Control and Data Acquisition) network is critical to the smooth monitoring and operation of the El Estero…
This SOP covers procedures to be performed when a natural gas leak occurs.
The Potable Water source for the WWTP is City Water. The Potable Water System supplies water to the lavatories, sinks, showers,…
Addressing the loss of disinfection is generally a series of troubleshooting activities and corrective actions. Typical causes of a…
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
