Nowata, City Of
Nowata, OK · Nowata County · Publicly Owned Treatment Works
- Average flow
- 0.52 MGD
- Design flow
- 0.53 MGD
- NPDES permit
- OK0025470
- Effective
- Permit expires
- September 2027
- Population served
- 4,184
- CWNS 2022
Nowata, City Of is a publicly owned wastewater treatment plant in Nowata, Nowata County, Oklahoma treating an average of 0.52 million gallons per day against a permitted design capacity of 0.53 MGD, serving about 4,184 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit OK0025470 (effective), which expires in September 2027, with 20 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Nowata, City Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Nowata, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oklahoma
Delaware · 4 mi away
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Chelsea · 17 mi away
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Dewey · 18 mi away
0.41 MGD
South Coffeyville · 20 mi away
0.07 MGD
Ochelata · 20 mi away
0.06 MGD
Oologah · 21 mi away
0.03 MGD
Collinsville · 25 mi away
0.83 MGD
Vinita · 27 mi away
1 MGD
Nowata, 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 September 11, 2026; facility record last updated April 24, 2025.