What is the address of Norman (main) Wwt?

The address on the plant’s EPA facility record is PO Box 370, Norman, OK 73070, in Cleveland County. Its coordinates are 35.1756, -97.4430. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Norman (main) Wwt treat?

Norman (main) Wwt treats an average of 9.95 MGD and is permitted for a design flow of 16 MGD.

What treatment technology does Norman (main) Wwt use?

Klarifi has identified 3 treatment structures and unit processes at the Norman facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Norman (main) Wwt?

The facility discharges under NPDES permit OK0029190, currently effective, expiring October 2030.

Is Norman (main) Wwt in compliance?

Discharge monitoring reports show 59 violations at Norman (main) Wwt in the last three years, 47 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Norman (main) Wwt and how do I contact them?

Norman (main) Wwt is a publicly owned treatment works in Norman, Oklahoma. Klarifi lists 3 verified decision-maker contacts for this facility, available with a free trial.

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Norman (main) Wwt

PO Box 370, Norman, OK 73070 · Cleveland County · Publicly Owned Treatment Works

Average flow: 9.95 MGD

Design flow: 16 MGD

NPDES permit: OK0029190; Effective

Permit expires: October 2030

Population served: 128,026; CWNS 2022

Norman (main) Wwt is a publicly owned wastewater treatment works in Norman, Cleveland County, Oklahoma treating an average of 9.95 million gallons per day against a permitted design capacity of 16 MGD, serving about 128,026 residents. It discharges under NPDES permit OK0029190 (effective), which expires in October 2030, with 59 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Norman (main) Wwt.

Available with a free Klarifi account

See the full treatment train at Norman (main) Wwt: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 59

Effluent violations: 47

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

3 verified contacts for Norman (main) Wwt, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Norman (main) Wwt, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Oklahoma

Noble Utilities Auth - North

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0.46 MGD

City Of Moore WWTP

Moore · 10 mi away

5.08 MGD

Newcastle Public Works Auth.

Newcastle · 10 mi away

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Purcell Wwt

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Lexington Public Works Auth

Lexington · 13 mi away

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Valley Brook, Town Of

Valley Brook · 16 mi away

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Del City Municipal Svcs. Auth

Del City · 18 mi away

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Okc South Canadian Wwt

Oklahoma City · 21 mi away

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Norman (main) Wwt: 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 March 2, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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