What is the address of Odin STP?

The address on the plant’s EPA facility record is 105 Park Street, Odin, IL 62870, in Marion County. Its coordinates are 38.6056, -89.0572. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Odin STP treat?

Odin STP treats an average of 0.08 MGD and is permitted for a design flow of 1.8 MGD.

What treatment technology does Odin STP use?

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

What is the NPDES permit for Odin STP?

The facility discharges under NPDES permit ILG580187, currently effective, expiring May 2027.

Is Odin STP in compliance?

Discharge monitoring reports show no violations at Odin STP in the last three years.

Who operates Odin STP and how do I contact them?

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

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Odin STP

105 Park Street, Odin, IL 62870 · Marion County · Publicly Owned Treatment Works

Average flow: 0.08 MGD

Design flow: 1.8 MGD

NPDES permit: ILG580187; Effective

Permit expires: May 2027

Population served: 1,287; CWNS 2022

Odin STP is a publicly owned wastewater treatment works in Odin, Marion County, Illinois treating an average of 0.08 million gallons per day against a permitted design capacity of 1.8 MGD, serving about 1,287 residents. It discharges under NPDES permit ILG580187 (effective), which expires in May 2027, with 0 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Odin STP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

Decision-makers at Odin STP.

No verified contacts on file yet

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Odin 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 September 14, 2026.

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

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