What is the address of Main WWTF?

The address on the plant’s EPA facility record is 3000' W Sthwy 163, 2.5Mi S Ih, Ozona, TX 76943, in Crockett County. Its coordinates are 30.6710, -101.2163. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Main WWTF treat?

Main WWTF treats an average of 0.11 MGD and is permitted for a design flow of 0.5 MGD.

What treatment technology does Main WWTF use?

Klarifi has identified 2 treatment structures and unit processes at the Ozona facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Main WWTF?

The facility discharges under NPDES permit TX0098345, currently effective, expiring February 2029.

Is Main WWTF in compliance?

Discharge monitoring reports show 50 violations at Main WWTF in the last three years, 50 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Main WWTF and how do I contact them?

Main WWTF is a publicly owned treatment works in Ozona, Texas. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Main WWTF

3000' W Sthwy 163, 2.5Mi S Ih, Ozona, TX 76943 · Crockett County · Publicly Owned Treatment Works

Average flow: 0.11 MGD

Design flow: 0.5 MGD

NPDES permit: TX0098345; Effective

Permit expires: February 2029

Population served: 5,161; CWNS 2022

Main WWTF is a publicly owned wastewater treatment works in Ozona, Crockett County, Texas treating an average of 0.11 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 5,161 residents. It discharges under NPDES permit TX0098345 (effective), which expires in February 2029, with 50 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Main WWTF.

Available with a free Klarifi account

See the full treatment train at Main WWTF: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 50

Effluent violations: 50

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

Key contacts

Decision-makers at Main WWTF.

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Nearby wastewater treatment plants in Texas

City Of Sonora

Sonora · 35 mi away

0.47 MGD

City Of Big Lake-WWTF

Big Lake · 38 mi away

0.55 MGD

City Of Eldorado WWTP

Eldorado · 40 mi away

0.16 MGD

City Of Rocksprings WWTP

Rocksprings · 75 mi away

0.19 MGD

Menard WWTP

Menard · 87 mi away

0.16 MGD

City Of Junction WWTP

Junction · 89 mi away

0.15 MGD

City Of Eden WWTP

Eden · 90 mi away

0.26 MGD

Silver Lake WWTF

Del Rio · 91 mi away

1.92 MGD

Main WWTF: 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 October 26, 2026; facility record last updated August 6, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms

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