What is the address of Ada, City Of?

The address on the plant’s EPA facility record is 1801 N Mississippi, Ada, OK 74820, in Pontotoc County. Its coordinates are 34.7955, -96.6674. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Ada, City Of treat?

Ada, City Of is permitted for a design flow of 3.2 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Ada, City Of use?

Klarifi has identified 2 treatment structures and unit processes at the Ada facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Ada, City Of?

The facility discharges under NPDES permit OK0026115, currently effective, expiring February 2028.

Is Ada, City Of in compliance?

Discharge monitoring reports show 3 violations at Ada, City Of in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ada, City Of and how do I contact them?

Ada, City Of is a publicly owned treatment works in Ada, Oklahoma. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Ada, City Of

1801 N Mississippi, Ada, OK 74820 · Pontotoc County · Publicly Owned Treatment Works

Average flow: —

Design flow: 3.2 MGD

NPDES permit: OK0026115; Effective

Permit expires: February 2028

Population served: 16,738; CWNS 2022

Ada, City Of is a publicly owned wastewater treatment plant in Ada, Pontotoc County, Oklahoma, serving about 16,738 residents. It discharges under NPDES permit OK0026115 (effective), which expires in February 2028, with 3 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Ada, City Of.

Available with a free Klarifi account

See the full treatment train at Ada, City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

Decision-makers at Ada, City Of.

No verified contacts on file yet

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Nearby wastewater treatment plants in Oklahoma

Francis Wwt

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0.0015 MGD

Konawa, City Of

Konawa · 12 mi away

0.04 MGD

Allen, Town Of

Allen · 15 mi away

0.04 MGD

Stratford Public Works Auth.

Stratford · 16 mi away

0.12 MGD

Asher Utility Development Auth

Asher · 20 mi away

—

Holdenville Pwa

Holdenville · 23 mi away

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Maud, City Of

Maud · 24 mi away

0.06 MGD

Wewoka Public Works Authority-Wewoka WTP

Wewoka · 27 mi away

0.38 MGD

Ada, 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 October 26, 2026; facility record last updated August 18, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms

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