What is the address of Oakland Pwa?

The address on the plant’s EPA facility record is PO Box 541, Oakland, OK 73446, in Marshall County. Its coordinates are 34.1045, -96.7886. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Oakland Pwa treat?

Oakland Pwa treats an average of 0.03 MGD and is permitted for a design flow of 0.06 MGD.

What treatment technology does Oakland Pwa use?

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

What is the NPDES permit for Oakland Pwa?

The facility discharges under NPDES permit OK0031933, currently effective, expiring September 2028.

Is Oakland Pwa in compliance?

Discharge monitoring reports show 107 violations at Oakland Pwa in the last three years, 12 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Oakland Pwa and how do I contact them?

Oakland Pwa is a publicly owned treatment works in Oakland, Oklahoma. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Oakland Pwa

PO Box 541, Oakland, OK 73446 · Marshall County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.06 MGD

NPDES permit: OK0031933; Effective

Permit expires: September 2028

Population served: 710; CWNS 2022

Oakland Pwa is a publicly owned wastewater treatment plant in Oakland, Marshall County, Oklahoma treating an average of 0.03 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 710 residents. It discharges under NPDES permit OK0031933 (effective), which expires in September 2028, with 107 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Oakland Pwa.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 107

Effluent violations: 12

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

Key contacts

Decision-makers at Oakland Pwa.

No verified contacts on file yet

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Nearby wastewater treatment plants in Oklahoma

Madill Pwa

Madill · 1 mi away

0.46 MGD

Kingston, Town Of

Kingston · 8 mi away

0.17 MGD

Tishomingo, City Of

Tishomingo · 10 mi away

0.17 MGD

City Of Ardmore Wastewater Treatment Plant

Ardmore · 19 mi away

2.65 MGD

Mill Creek, Town Of

Mill Creek · 20 mi away

0.01 MGD

Ardmore, City Of -Industrial Park

Ardmore · 22 mi away

0.2 MGD

Calera Pwa

Calera · 23 mi away

0.3 MGD

Marietta, City Of

Marietta · 24 mi away

0.18 MGD

Oakland Pwa: 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 February 15, 2025.

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

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