5665 North 105th East Avenue, Tulsa, OK 74117 · Tulsa County · Publicly Owned Treatment Works
Northside Wastewater Treatment Plant is a publicly owned wastewater treatment works in Tulsa, Tulsa County, Oklahoma treating an average of 23.36 million gallons per day against a permitted design capacity of 42.6 MGD, serving about 181,670 residents. It discharges under NPDES permit OK0026221 (effective), which expires in February 2028, with 19 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2005.
4 treatment structures and unit processes identified at Northside Wastewater Treatment Plant.
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See the full treatment train at Northside Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Northside Wastewater Treatment Plant in EPA's ICIS system.
Latest case · Aug 2005
Tulsa Metropolitan Utility Authority
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $300
EPA's description of the case:
“Failed to implement the RMP.”
Source: EPA ECHO, civil enforcement case 06-2005-3569.
Full case history with a free Klarifi account
Every action against Northside Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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.
Owasso · 1 mi away
2.98 MGD
Catoosa · 7 mi away
1.03 MGD
Sperry · 9 mi away
0.12 MGD
Collinsville · 10 mi away
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Claremore · 11 mi away
0.51 MGD
Skiatook · 12 mi away
0.88 MGD
Tulsa · 12 mi away
20.88 MGD
Broken Arrow · 15 mi away
5.55 MGD
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 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms