Overview
Crossroads Wastewater Treatment Plant serves Lathrop, California, treating municipal wastewater for approximately 18,908 residents. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
The Crossroads Wastewater Treatment Plant is a municipal facility located on Manthey Road in the Mossdale area of Lathrop, San Joaquin County, California. It serves a population of about 18,908 residents, placing it in the medium-agglomeration category for US wastewater systems. As a US-based plant, Crossroads operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the California State Water Resources Control Board or a regional board. For a plant serving this population size, secondary treatment is typically required, with possible additional nutrient controls depending on the receiving water body's sensitivity. The plant's treated effluent likely discharges to a local waterway that drains into the San Joaquin River, which flows through the Central Valley to the Sacramento-San Joaquin River Delta and ultimately into San Francisco Bay. This watershed supports diverse aquatic life and is an important ecological corridor in California.
Environmental context
The plant's discharge likely enters a tributary of the San Joaquin River, which flows through the Central Valley to the Sacramento-San Joaquin River Delta and San Francisco Bay. This estuarine environment supports diverse aquatic species, including salmon and steelhead, and is a critical habitat for migratory birds. The region's Mediterranean climate with seasonal rainfall influences flow patterns and pollutant dilution.
Frequently asked questions
The plant is located on Manthey Road in the Mossdale area of Lathrop, San Joaquin County, California, United States.
The plant serves approximately 18,908 residents in Lathrop and surrounding areas.
The plant likely discharges treated effluent to a local waterway that drains into the San Joaquin River, part of the Sacramento-San Joaquin River Delta system.
As a US facility, the plant operates under the Clean Water Act and is regulated by an NPDES permit issued by the California State Water Resources Control Board or a regional board.
For a plant of this size in California, secondary treatment is standard, with possible tertiary treatment if discharging to sensitive waters like the Delta.
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