Northside Wastewater Treatment Plant
Tulsa, OK · Tulsa County · Publicly Owned Treatment Works
- Average flow
- 17.9 MGD
- Design flow
- 42.6 MGD
- NPDES permit
- OK0026221
- Effective
- Permit expires
- February 2028
- Population served
- 181,670
- CWNS 2022
Northside Wastewater Treatment Plant is a publicly owned wastewater treatment works in Tulsa, Tulsa County, Oklahoma treating an average of 17.9 million gallons per day against a permitted design capacity of 42.6 MGD, serving about 181,670 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, biogas silos. It discharges under NPDES permit OK0026221 (effective), which expires in February 2028, with 19 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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Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 19
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Northside Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Northside Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oklahoma
Owasso · 1 mi away
2.51 MGD
Catoosa · 7 mi away
0.93 MGD
Sperry · 9 mi away
0.12 MGD
Collinsville · 10 mi away
0.83 MGD
Claremore · 11 mi away
0.4 MGD
Skiatook · 12 mi away
0.8 MGD
Tulsa · 12 mi away
18.57 MGD
Broken Arrow · 15 mi away
4.64 MGD
Northside Wastewater Treatment Plant: 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 6, 2025.