How much wastewater does City Of Trinidad WWTP treat?

City Of Trinidad WWTP treats an average of 0.08 MGD and is permitted for a design flow of 0.15 MGD.

What treatment technology does City Of Trinidad WWTP use?

Klarifi has identified aerated lagoons, uncovered lagoons at the Trinidad facility.

What is the NPDES permit for City Of Trinidad WWTP?

The facility discharges under NPDES permit TX0054585, currently administratively continued, expiring August 2026.

Is City Of Trinidad WWTP in compliance?

Discharge monitoring reports show 86 violations at City Of Trinidad WWTP in the last three years, 14 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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City Of Trinidad WWTP

Trinidad, TX · Henderson County · Publicly Owned Treatment Works

Average flow: 0.08 MGD

Design flow: 0.15 MGD

NPDES permit: TX0054585; Administratively continued

Permit expires: August 2026

Population served: 1,227; CWNS 2022

City Of Trinidad WWTP is a publicly owned wastewater treatment works in Trinidad, Henderson County, Texas treating an average of 0.08 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 1,227 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit TX0054585 (administratively continued), which expires in August 2026, with 86 recorded violations in the last three years.

Treatment technology

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

Aerated lagoons

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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 86

Effluent violations: 14

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 Trinidad WWTP.

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City Of Trinidad 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 April 12, 2025.

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