What is the address of Madison, City Of-WWTP?

The address on the plant’s EPA facility record is South 2nd Street, Madison, AR 72359, in St. Francis County. Its coordinates are 35.0066, -90.7144. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Madison, City Of-WWTP treat?

Madison, City Of-WWTP treats an average of 0.03 MGD and is permitted for a design flow of 0.15 MGD.

What treatment technology does Madison, City Of-WWTP use?

Klarifi has identified one treatment structure or unit process at the Madison facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Madison, City Of-WWTP?

The facility discharges under NPDES permit AR0037893, currently administratively continued, expiring March 2026.

Is Madison, City Of-WWTP in compliance?

Discharge monitoring reports show 37 violations at Madison, City Of-WWTP in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Madison, City Of-WWTP and how do I contact them?

Madison, City Of-WWTP is a publicly owned treatment works in Madison, Arkansas. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Madison, City Of-WWTP

South 2nd Street, Madison, AR 72359 · St. Francis County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.15 MGD

NPDES permit: AR0037893; Administratively continued

Permit expires: March 2026

Population served: 743; CWNS 2022

Madison, City Of-WWTP is a publicly owned wastewater treatment works in Madison, St. Francis County, Arkansas treating an average of 0.03 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 743 residents. It discharges under NPDES permit AR0037893 (administratively continued), which expires in March 2026, with 37 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Madison, City Of-WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 37

Effluent violations: 4

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

Key contacts

1 verified contact for Madison, City Of-WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Madison, City Of-WWTP, plus the full compliance history and discharge data.

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Madison, City Of-WWTP: 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 January 28, 2025.

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

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