What is the address of Mill Creek, Town Of?

The address on the plant’s EPA facility record is PO Box 16, Mill Creek, OK 74856, in Johnston County. Its coordinates are 34.3918, -96.8278. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Mill Creek, Town Of treat?

Mill Creek, Town Of treats an average of 0.01 MGD and is permitted for a design flow of 0.07 MGD.

What treatment technology does Mill Creek, Town Of use?

Klarifi has identified one treatment structure or unit process at the Mill Creek facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Mill Creek, Town Of?

The facility discharges under NPDES permit OKG580014, currently administratively continued, expiring July 2026.

Is Mill Creek, Town Of in compliance?

Discharge monitoring reports show 43 violations at Mill Creek, Town Of in the last three years, 7 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Mill Creek, Town Of and how do I contact them?

Mill Creek, Town Of is a publicly owned treatment works in Mill Creek, Oklahoma. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Mill Creek, Town Of

PO Box 16, Mill Creek, OK 74856 · Johnston County · Publicly Owned Treatment Works

Average flow: 0.01 MGD

Design flow: 0.07 MGD

NPDES permit: OKG580014; Administratively continued

Permit expires: July 2026

Population served: 358; CWNS 2022

Mill Creek, Town Of is a publicly owned wastewater treatment plant in Mill Creek, Johnston County, Oklahoma treating an average of 0.01 million gallons per day against a permitted design capacity of 0.07 MGD, serving about 358 residents. It discharges under NPDES permit OKG580014 (administratively continued), which expires in July 2026, with 43 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Mill Creek, Town Of.

Available with a free Klarifi account

See the full treatment train at Mill Creek, Town Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 43

Effluent violations: 7

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

Key contacts

1 verified contact for Mill Creek, Town Of, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Mill Creek, Town Of, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Oklahoma

Sulphur Municipal Authority

Sulphur · 12 mi away

0.66 MGD

Tishomingo, City Of

Tishomingo · 14 mi away

0.17 MGD

Davis, City Of

Davis · 18 mi away

0.37 MGD

City Of Ardmore Wastewater Treatment Plant

Ardmore · 20 mi away

2.65 MGD

Oakland Pwa

Oakland · 20 mi away

0.03 MGD

Madill Pwa

Madill · 20 mi away

0.46 MGD

Ardmore, City Of -Industrial Park

Ardmore · 22 mi away

0.2 MGD

Wapanucka Public Works Auth.

Wapanucka · 23 mi away

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Mill Creek, Town Of: 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 November 5, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms

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