Overview
Parlier WWTF serves approximately 14,826 residents in Parlier, California. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities of this scale.
Parlier WWTF is a municipal wastewater treatment facility located in Parlier, California, serving a population of about 14,826. The plant is situated in Fresno County, within the San Joaquin Valley, an agriculturally intensive region. As a medium-sized agglomeration, the facility plays a key role in managing local wastewater and protecting public health. The plant operates under the US Clean Water Act, administered by the EPA and the California State Water Resources Control Board. Facilities of this size are typically required to meet secondary treatment standards, which involve biological processes to reduce organic matter and suspended solids. The plant's discharge is regulated through a National Pollutant Discharge Elimination System (NPDES) permit, ensuring compliance with water quality standards. Treated effluent from Parlier WWTF is discharged into the Kings River basin, which flows into the San Joaquin River and ultimately drains into the Sacramento-San Joaquin Delta and San Francisco Bay. The downstream environment supports diverse aquatic life and is critical for regional water supply and agriculture. Proper treatment helps protect these sensitive ecosystems from nutrient pollution and other contaminants.
Environmental context
Parlier WWTF discharges into the Kings River basin, part of the larger San Joaquin River watershed. The San Joaquin River flows into the Sacramento-San Joaquin Delta, a vital estuary that supports migratory fish species and provides water for millions of Californians. The region's Mediterranean climate and intensive agriculture make water quality management essential to prevent eutrophication and protect downstream habitats.
Frequently asked questions
Parlier WWTF is located in Parlier, California, within Fresno County in the San Joaquin Valley. The facility is situated at the University of California, Kearney Agricultural Center Research Farm on South Zediker Avenue.
Parlier WWTF serves approximately 14,826 residents, classifying it as a medium-sized agglomeration under US EPA guidelines.
Treated effluent from Parlier WWTF is discharged into the Kings River basin, which flows into the San Joaquin River and eventually reaches the Sacramento-San Joaquin Delta and San Francisco Bay.
Parlier WWTF operates under the US Clean Water Act, with discharge regulated by an NPDES permit issued by the California State Water Resources Control Board. The facility must meet secondary treatment standards.
For plants serving around 15,000 people, secondary treatment is standard, involving biological processes like activated sludge or trickling filters to reduce organic matter and suspended solids before discharge.
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