Overview
PCRWRD Corona de Tucson WWTF serves approximately 5,675 people in Pima County, Arizona. The plant is located inland, over 50 km from the coast, and discharges into the local watershed.
The PCRWRD Corona de Tucson WWTF is a municipal wastewater treatment facility serving the Corona de Tucson area in Pima County, Arizona. The plant serves a population of about 5,675, placing it in the small-to-medium agglomeration category. Its location in the Sonoran Desert region presents unique operational challenges related to water scarcity and high evaporation rates. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Arizona Department of Environmental Quality. The treated effluent from the plant likely discharges into local washes or arroyos that drain into the Santa Cruz River or Rillito Creek, which eventually flow into the Gila River and then the Colorado River. This watershed supports critical riparian habitats in an arid region, providing water for wildlife and groundwater recharge. The plant plays a key role in protecting local water quality and public health.
Environmental context
The plant discharges into the Santa Cruz River watershed, which flows through southern Arizona into the Gila River and ultimately the Colorado River. This arid region relies on treated wastewater for sustaining riparian ecosystems and groundwater recharge. The receiving waters support diverse aquatic life and migratory birds, making proper treatment essential for ecological health.
Frequently asked questions
The plant is located at 427 North Salero View Road in Pima County, Arizona, United States, serving the Corona de Tucson area.
The plant serves approximately 5,675 people, classifying it as a small-to-medium agglomeration under US EPA guidelines.
Treated effluent is discharged into local washes that drain into the Santa Cruz River watershed, eventually reaching the Gila and Colorado Rivers.
As a US facility, it operates under the Clean Water Act and is regulated by an NPDES permit issued by the Arizona Department of Environmental Quality.
Plants of this scale in Arizona typically employ secondary treatment, such as activated sludge or lagoon systems, to meet state and federal water quality standards.
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