What is the address of Orangeville WWTP?

The address on the plant’s EPA facility record is 455 West High Street, Orangeville, IL 61060, in Stephenson County. Its coordinates are 42.4665, -89.6517. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Orangeville WWTP treat?

Orangeville WWTP treats an average of 0.11 MGD and is permitted for a design flow of 0.72 MGD.

What treatment technology does Orangeville WWTP use?

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

What is the NPDES permit for Orangeville WWTP?

The facility discharges under NPDES permit IL0024805, currently effective, expiring January 2029.

Is Orangeville WWTP in compliance?

Discharge monitoring reports show 24 violations at Orangeville WWTP in the last three years, 24 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Orangeville WWTP and how do I contact them?

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

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Orangeville WWTP

455 West High Street, Orangeville, IL 61060 · Stephenson County · Publicly Owned Treatment Works

Average flow: 0.11 MGD

Design flow: 0.72 MGD

NPDES permit: IL0024805; Effective

Permit expires: January 2029

Population served: 598; CWNS 2022

Orangeville WWTP is a publicly owned wastewater treatment works in Orangeville, Stephenson County, Illinois treating an average of 0.11 million gallons per day against a permitted design capacity of 0.72 MGD, serving about 598 residents. It discharges under NPDES permit IL0024805 (effective), which expires in January 2029, with 24 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Orangeville WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 24

Effluent violations: 24

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

Key contacts

2 verified contacts for Orangeville WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Illinois

Cedarville - Stp, Village Of

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Winslow Stp, Village Of

Winslow · 8 mi away

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Dakota Stp, Village Of

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Rock City - Stp, Village Of

Rock City · 10 mi away

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Lena Stp, Village Of

Lena · 11 mi away

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Davis Stp, Village Of

Davis · 12 mi away

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Durand Sd STP

Durand · 17 mi away

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Warren STP

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Orangeville 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 August 3, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

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