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Northside Wastewater Treatment Plant

5665 North 105th East Avenue, Tulsa, OK 74117 · Tulsa County · Publicly Owned Treatment Works

Average flow
23.36 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 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.

Treatment technology

4 treatment structures and unit processes identified at Northside Wastewater Treatment Plant.

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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.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Northside Wastewater Treatment Plant in EPA's ICIS system.

Formal actions
1
0 since FY2020
Penalties assessed
$300
all cases
EPA inspections
1
latest May 2005

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.

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Every action against Northside Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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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.

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Nearby wastewater treatment plants in Oklahoma

Owasso Public Works Authority

Owasso · 1 mi away

2.98 MGD

Tulsa MUA-Lower Bird Ck Plant

Catoosa · 7 mi away

1.03 MGD

Sperry Pwa Wwt

Sperry · 9 mi away

0.12 MGD

Collinsville, City Of

Collinsville · 10 mi away

—

Rogers County Rsd #1

Claremore · 11 mi away

0.51 MGD

Skiatook, Town Of

Skiatook · 12 mi away

0.88 MGD

Tmua South

Tulsa · 12 mi away

20.88 MGD

Lynn Lane Waste Water Treatment Plant

Broken Arrow · 15 mi away

5.55 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 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


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