Marietta, City Of
303 West Main Street, Marietta, OK 73448 · Love County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- Design flow
- 0.32 MGD
- NPDES permit
- OK0020257
- Effective
- Permit expires
- November 2030
- Population served
- 2,803
- CWNS 2022
Marietta, City Of is a publicly owned wastewater treatment plant in Marietta, Love County, Oklahoma treating an average of 0.18 million gallons per day against a permitted design capacity of 0.32 MGD, serving about 2,803 residents. It discharges under NPDES permit OK0020257 (effective), which expires in November 2030, with 3 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Marietta, City Of.
Available with a free Klarifi account
See the full treatment train at Marietta, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Marietta, City Of.
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Nearby wastewater treatment plants in Oklahoma
Thackerville · 13 mi away
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Ardmore · 20 mi away
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Ardmore · 21 mi away
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Oakland · 24 mi away
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Kingston · 24 mi away
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Wilson · 24 mi away
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Madill · 25 mi away
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Marietta, City 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 September 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms