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Soper Public Works Authority

600 Main St, Soper, OK 74759 · Choctaw County · Publicly Owned Treatment Works

Average flow
0.08 MGD
Design flow
0.07 MGD
NPDES permit
OK0044563
Effective
Permit expires
May 2029
Population served
316
CWNS 2022

Soper Public Works Authority is a publicly owned wastewater treatment plant in Soper, Choctaw County, Oklahoma treating an average of 0.08 million gallons per day against a permitted design capacity of 0.07 MGD, serving about 316 residents. It discharges under NPDES permit OK0044563 (effective), which expires in May 2029, with 28 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Soper Public Works Authority.

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Compliance snapshot (last 3 years)

Total violations
28
Effluent violations
26

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

Key contacts

Decision-makers at Soper Public Works Authority.

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Nearby wastewater treatment plants in Oklahoma

Boswell, Town Of

Boswell · 9 mi away

0.03 MGD

Hugo Municipal Authority

Hugo · 11 mi away

1.11 MGD

0.09 MGD

Choctaw Co. Rw & Sd #1

Grant · 14 mi away

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Antlers Pwa

Antlers · 14 mi away

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Bokchito, City Of

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Atoka, City Of

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Valliant Pwa

Valliant · 35 mi away

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Soper Public Works Authority: 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 7, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms


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