What is the address of Roxana STP?

The address on the plant’s EPA facility record is 241 Community Dr, Roxana, IL 62084, in Madison County. Its coordinates are 38.8074, -90.0556. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Roxana STP treat?

Roxana STP treats an average of 0.18 MGD and is permitted for a design flow of 2.08 MGD.

What treatment technology does Roxana STP use?

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

What is the NPDES permit for Roxana STP?

The facility discharges under NPDES permit IL0077356, currently effective, expiring August 2029.

Is Roxana STP in compliance?

Discharge monitoring reports show 6 violations at Roxana STP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Roxana STP and how do I contact them?

Roxana STP is a publicly owned treatment works in Roxana, Illinois. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

Try for free Log in

Roxana STP

241 Community Dr, Roxana, IL 62084 · Madison County · Publicly Owned Treatment Works

Average flow: 0.18 MGD

Design flow: 2.08 MGD

NPDES permit: IL0077356; Effective

Permit expires: August 2029

Population served: 4,779; CWNS 2022

Roxana STP is a publicly owned wastewater treatment works in Roxana, Madison County, Illinois treating an average of 0.18 million gallons per day against a permitted design capacity of 2.08 MGD, serving about 4,779 residents. It discharges under NPDES permit IL0077356 (effective), which expires in August 2029, with 6 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Roxana STP.

Available with a free Klarifi account

See the full treatment train at Roxana STP: structures, unit processes and planned upgrades, with exact unit counts.

Create a free account

Compliance snapshot (last 3 years)

Total violations: 6

Effluent violations: 2

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

Key contacts

2 verified contacts for Roxana STP, with validated emails and direct phone numbers.

Unlock 2 verified contacts

Names, validated emails and direct phone numbers for decision-makers at Roxana STP, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Illinois

Edwardsville Stp, City Of

Edwardsville · 1 mi away

3.11 MGD

East Alton Stp, Village Of

East Alton · 6 mi away

0.59 MGD

Alton Waste Water Treatment Plant

Alton · 6 mi away

7.8 MGD

Holiday Shores Sanitary District STP

Edwardsville · 10 mi away

0.19 MGD

Collinsville Wastewater Treatment Plant

Collinsville · 10 mi away

11.53 MGD

Hamel Stp, Village Of

Hamel · 12 mi away

0.08 MGD

Illinois American Water-Godfrey Wastewater

Godfrey · 13 mi away

0.92 MGD

Marine Stp, Village Of

Marine · 14 mi away

0.24 MGD

Roxana STP: 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 28, 2025.

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

Try Klarifi for free

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

Try for free