What is the address of City Of Calvert WWTP?

The address on the plant’s EPA facility record is 0.7Mi SW Intx Sthwy 6/Fm 1644, Calvert, TX 77837, in Robertson County. Its coordinates are 30.9711, -96.6823. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does City Of Calvert WWTP treat?

City Of Calvert WWTP treats an average of 0.11 MGD and is permitted for a design flow of 0.25 MGD.

What treatment technology does City Of Calvert WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Calvert 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 Calvert WWTP?

The facility discharges under NPDES permit TX0054020, currently effective, expiring July 2029.

Is City Of Calvert WWTP in compliance?

Discharge monitoring reports show 36 violations at City Of Calvert WWTP in the last three years, 36 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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City Of Calvert WWTP

0.7Mi SW Intx Sthwy 6/Fm 1644, Calvert, TX 77837 · Robertson County · Publicly Owned Treatment Works

Average flow: 0.11 MGD

Design flow: 0.25 MGD

NPDES permit: TX0054020; Effective

Permit expires: July 2029

Population served: 1,759; CWNS 2022

City Of Calvert WWTP is a publicly owned wastewater treatment works in Calvert, Robertson County, Texas treating an average of 0.11 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 1,759 residents. It discharges under NPDES permit TX0054020 (effective), which expires in July 2029, with 36 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at City Of Calvert WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 36

Effluent violations: 36

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 Calvert WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Texas

City Of Hearne WWTP 2

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1.07 MGD

City Of Franklin WWTP

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0.38 MGD

Bremond WWTP

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Cameron WWTP

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City Of Rosebud WWTP

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City Of Kosse WWTP

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City Of Marlin WWTP

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City Of Marlin

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City Of Calvert 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 May 27, 2025.

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

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