How much wastewater does City Of Pearsall WWTP treat?

City Of Pearsall WWTP treats an average of 0.99 MGD and is permitted for a design flow of 1.95 MGD.

What treatment technology does City Of Pearsall WWTP use?

Klarifi has identified clarifiers, carrousels / oxidation ditches at the Pearsall facility.

What is the NPDES permit for City Of Pearsall WWTP?

The facility discharges under NPDES permit TX0032719, currently expired, expiring February 2026.

Is City Of Pearsall WWTP in compliance?

Discharge monitoring reports show 29 violations at City Of Pearsall WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates City Of Pearsall WWTP and how do I contact them?

City Of Pearsall WWTP is a publicly owned treatment works in Pearsall, Texas. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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City Of Pearsall WWTP

Pearsall, TX · Frio County · Publicly Owned Treatment Works

Average flow: 0.99 MGD

Design flow: 1.95 MGD

NPDES permit: TX0032719; Expired

Permit expires: February 2026

Population served: 7,157; CWNS 2022

City Of Pearsall WWTP is a publicly owned wastewater treatment works in Pearsall, Frio County, Texas treating an average of 0.99 million gallons per day against a permitted design capacity of 1.95 MGD, serving about 7,157 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit TX0032719 (expired), which expires in February 2026, with 29 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

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Carrousels / oxidation ditches

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Compliance snapshot (last 3 years)

Total violations: 29

Effluent violations: 3

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at City Of Pearsall WWTP.

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City Of Pearsall WWTP: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed September 11, 2026; facility record last updated February 27, 2025.

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