What is the address of City Of Cotulla WWTP?

The address on the plant’s EPA facility record is 1.1Mi S Intx Sthwy 97 & Sthwy, Cotulla, TX 78014, in La Salle County. Its coordinates are 28.4182, -99.2186. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does City Of Cotulla WWTP treat?

City Of Cotulla WWTP treats an average of 1.71 MGD and is permitted for a design flow of 0.99 MGD.

What treatment technology does City Of Cotulla WWTP use?

Klarifi has identified 5 treatment structures and unit processes at the Cotulla facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for City Of Cotulla WWTP?

The facility discharges under NPDES permit TX0027499, currently effective, expiring January 2031.

Is City Of Cotulla WWTP in compliance?

Discharge monitoring reports show 7 violations at City Of Cotulla WWTP in the last three years, 7 of them effluent limit exceedances. The full history is available in Klarifi.

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

City Of Cotulla WWTP is a publicly owned treatment works in Cotulla, Texas. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

Try for free Log in

City Of Cotulla WWTP

1.1Mi S Intx Sthwy 97 & Sthwy, Cotulla, TX 78014 · La Salle County · Publicly Owned Treatment Works

Average flow: 1.71 MGD

Design flow: 0.99 MGD

NPDES permit: TX0027499; Effective

Permit expires: January 2031

Population served: 4,800; CWNS 2022

City Of Cotulla WWTP is a publicly owned wastewater treatment works in Cotulla, La Salle County, Texas treating an average of 1.71 million gallons per day against a permitted design capacity of 0.99 MGD, serving about 4,800 residents. It discharges under NPDES permit TX0027499 (effective), which expires in January 2031, with 7 recorded violations in the last three years.

Treatment technology

5 treatment structures and unit processes identified at City Of Cotulla WWTP.

Available with a free Klarifi account

See the full treatment train at City Of Cotulla WWTP: structures, unit processes and planned upgrades, with exact unit counts.

Create a free account

Compliance snapshot (last 3 years)

Total violations: 7

Effluent violations: 7

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

Key contacts

2 verified contacts for City Of Cotulla WWTP, with validated emails and direct phone numbers.

Unlock 2 verified contacts

Names, validated emails and direct phone numbers for decision-makers at City Of Cotulla WWTP, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Texas

Dilley WWTP

Dilley · 17 mi away

0.52 MGD

City Of Dilley WTP

Dilley · 17 mi away

0.01 MGD

City Of Dilley WWTP

Dilley · 18 mi away

0.83 MGD

Big Wells, City Of WWTP

Big Wells · 24 mi away

0.05 MGD

City Of Asherton

Asherton · 33 mi away

0.14 MGD

City Of Pearsall WWTP

Pearsall · 33 mi away

1.1 MGD

City Of Carrizo Springs WWTP

Carrizo Springs · 39 mi away

0.74 MGD

Chula Vista WWTF

Crystal City · 40 mi away

0.04 MGD

City Of Cotulla 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 October 26, 2026; facility record last updated August 11, 2026.

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

Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free