What is the address of City Of Knox City WWTP?

The address on the plant’s EPA facility record is .5M N Fmr 143 & Sthwy 6, Knox City, TX 79529, in Knox County. Its coordinates are 33.4244, -99.8220. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does City Of Knox City WWTP treat?

City Of Knox City WWTP treats an average of 0.07 MGD and is permitted for a design flow of 0.2 MGD.

What treatment technology does City Of Knox City WWTP use?

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

The facility discharges under NPDES permit TX0035505, currently effective, expiring September 2029.

Is City Of Knox City WWTP in compliance?

Discharge monitoring reports show 1 violation at City Of Knox City WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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City Of Knox City WWTP

.5M N Fmr 143 & Sthwy 6, Knox City, TX 79529 · Knox County · Publicly Owned Treatment Works

Average flow: 0.07 MGD

Design flow: 0.2 MGD

NPDES permit: TX0035505; Effective

Permit expires: September 2029

Population served: 1,505; CWNS 2022

City Of Knox City WWTP is a publicly owned wastewater treatment works in Knox City, Knox County, Texas treating an average of 0.07 million gallons per day against a permitted design capacity of 0.2 MGD, serving about 1,505 residents. It discharges under NPDES permit TX0035505 (effective), which expires in September 2029, with 1 recorded violation in the last three years.

Treatment technology

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

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

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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 Knox City WWTP.

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Nearby wastewater treatment plants in Texas

City Of O'Brien WWTF

O'Brien · 2 mi away

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City Of Munday WWTP

Munday · 15 mi away

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Goree WWTF

Goree · 18 mi away

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City Of Haskell

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City Of Stamford WTP

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City Of Stamford

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Seymour WWTP

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City Of Crowell WWTP

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0.1 MGD

City Of Knox City 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 29, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms

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