What is the address of Wamac Stp, City Of?

The address on the plant’s EPA facility record is Irvington Road, Wamac, IL 62801, in Clinton County. Its coordinates are 38.4974, -89.1513. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Wamac Stp, City Of treat?

Wamac Stp, City Of treats an average of 0.14 MGD and is permitted for a design flow of 0.6 MGD.

What treatment technology does Wamac Stp, City Of use?

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

What is the NPDES permit for Wamac Stp, City Of?

The facility discharges under NPDES permit ILG580144, currently effective, expiring May 2027.

Is Wamac Stp, City Of in compliance?

Discharge monitoring reports show 2 violations at Wamac Stp, City Of in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

Try for free Log in

Wamac Stp, City Of

Irvington Road, Wamac, IL 62801 · Clinton County · Publicly Owned Treatment Works

Average flow: 0.14 MGD

Design flow: 0.6 MGD

NPDES permit: ILG580144; Effective

Permit expires: May 2027

Population served: 1,351; CWNS 2022

Wamac Stp, City Of is a publicly owned wastewater treatment works in Wamac, Clinton County, Illinois treating an average of 0.14 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 1,351 residents. It discharges under NPDES permit ILG580144 (effective), which expires in May 2027, with 2 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

Decision-makers at Wamac Stp, City Of.

No verified contacts on file yet

Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.

Try Klarifi free

Nearby wastewater treatment plants in Illinois

Centralia Stw Main, City Of

Centralia · 1 mi away

2.09 MGD

Irvington WWTP

Irvington · 4 mi away

0.05 MGD

Junction City Stp, Village Of

Junction City · 6 mi away

0.04 MGD

Hoffman, Village Of

Hoffman · 7 mi away

0.06 MGD

Sandoval Stp, Village Of

Sandoval · 8 mi away

0.26 MGD

Richview Stp, Village Of

Richview · 8 mi away

0.02 MGD

Hoyleton Stp, Village Of

Hoyleton · 8 mi away

0.04 MGD

Odin STP

Odin · 9 mi away

0.08 MGD

Wamac Stp, 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 November 7, 2025.

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

Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free