Treatment Process Wastewater moves from Pump Station 2 on Harbor Drive to the top of Point Loma. From there, gravity takes hold and the wastewater (called "influent") flows into the headworks of the Treatment Plant.
What happens at Point Loma wastewater treatment plant?
Treatment Process. Wastewater moves from Pump Station 2 on Harbor Drive to the top of Point Loma. From there, gravity takes hold and the wastewater (called "influent") flows into the headworks of the Treatment Plant. The foul air from the influent passes through an odor control system, which "scrubs" the foul smelling air with a bleach solution.
How does the wastewater treatment plant work?
See how Point Loma Wastewater Treatment Plant successfully uses wastewater digester gas to produce biogas. At its 40-acre site, the Point Loma Wastewater Treatment Plant treats approximately 175 million gallons of wastewater per day generated by the 2.2 million area residents. In 2011, the plant partnered with BioFuels Energy, LLC, which built California’s first …
What happens to the sludge in wastewater treatment plants?
Loma Wastewater Treatment Plant. Pure Water San Diego @PureWaterSD. Pt. Loma Wastewater Treatment Plant. City of San Diego Public Utilities Department • Pure Water San Diego Program 9192 Topaz Way, San Diego, CA 92123 • (858) 292-6401 • www.purewatersd.org. This discharge point also has the advantages of site-specific ocean conditions that include strong ocean …
What happens to the grit in a wastewater treatment plant?
About the Client/Project: Platt/Whitelaw Architects was retained by the Metropolitan Wastewater Department of the City of San Diego to design the new Operations Building and Visitor Center for the Point Loma Wastewater Treatment Plant. Project Challenge: Corrosive ocean location presented a challenge since the plant is located on the bluffs. Architectural Solution: The three …
How does treating wastewater work?
Primary Treatment As sewage enters a plant for treatment, it flows through a screen, which removes large floating objects such as rags and sticks that might clog pipes or damage equipment. After sewage has been screened, it passes into a grit chamber, where cinders, sand, and small stones settle to the bottom.
What are the 7 steps of wastewater treatment?
Treatment StepsStep 1: Screening and Pumping. ... Step 2: Grit Removal. ... Step 3: Primary Settling. ... Step 4: Aeration / Activated Sludge. ... Step 5: Secondary Settling. ... Step 6: Filtration. ... Step 7: Disinfection. ... Step 8: Oxygen Uptake.
How does San Diego treat its water?
San Diego imports 85 percent of its water from the Colorado River and Northern California.Feb 3, 2015
What are the 3 stages of wastewater treatment?
There are three main stages of the wastewater treatment process, aptly known as primary, secondary and tertiary water treatment.Dec 6, 2018
What are the 4 main steps to water treatment?
4 Steps of Community Water TreatmentCoagulation and Flocculation. ... Sedimentation. ... Filtration. ... Disinfection. ... Learn More. ... Recommended Readings.
What are the 5 stages of water treatment?
The 5 major unit processes include chemical coagulation, flocculation, sedimentation, filtration, and disinfection (described below). There are chemicals added to the water as it enters the various treatment processes.
Where does San Diego get its water 2021?
Although San Diego has come up with more ways to get water locally, it still gets most of its water from outside the county, including from the shrinking Colorado River.Nov 4, 2021
Why does San Diego import water?
For more than 70 years, the San Diego County Water Authority has imported water to meet the San Diego region's needs through times of drought, economic expansion and population growth. The county has relied on Colorado River water since 1946.
How does San Diego get water from the Colorado River?
The Colorado River makes up about 50% of the imported water supply for San Diego County. All Colorado River water is transported to San Diego County through the 242-mile Colorado River Aqueduct, which is owned and operated by the Metropolitan Water District of Southern California (MWD).
Why is wastewater treated with chlorine or UV light?
This includes new plants as well as existing ones that have converted from chlorine. UV is the most effective, safe and environmentally friendly way to disinfect wastewater. Unlike chemical approaches to water disinfection, UV light provides rapid, effective inactivation of microorganisms through a physical process.Sep 1, 2020
Which bacteria is used in aeration tank?
With a normal influent load of pollutants, the dissolved oxygen content in the aerated section of most plants should be kept between 3 and 5 MG/L. Anaerobic bacteria are normally used in an anaerobic digester to reduce the volume of sludge to be disposed of and to produce methane gas.Jun 14, 2012
What is a clarifier in wastewater treatment?
Clarifiers are settling tanks built with mechanical means for continuous removal of solids being deposited by sedimentation. A clarifier is generally used to remove solid particulates or suspended solids from liquid for clarification and (or) thickening.