What is the address of Sullivan WWTP?

The address on the plant’s EPA facility record is 361 E State Road 54, Sullivan, IN 47882, in Sullivan County. Its coordinates are 39.0788, -87.4028. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Sullivan WWTP treat?

Sullivan WWTP treats an average of 1.5 MGD and is permitted for a design flow of 2.1 MGD.

What treatment technology does Sullivan WWTP use?

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

What is the NPDES permit for Sullivan WWTP?

The facility discharges under NPDES permit IN0024554, currently effective, expiring March 2031.

Is Sullivan WWTP in compliance?

Discharge monitoring reports show 32 violations at Sullivan WWTP in the last three years, 13 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Sullivan WWTP and how do I contact them?

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

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Sullivan WWTP

361 E State Road 54, Sullivan, IN 47882 · Sullivan County · Publicly Owned Treatment Works

Average flow: 1.5 MGD

Design flow: 2.1 MGD

NPDES permit: IN0024554; Effective

Permit expires: March 2031

Population served: 4,264; CWNS 2022

Sullivan WWTP is a publicly owned wastewater treatment works in Sullivan, Sullivan County, Indiana treating an average of 1.5 million gallons per day against a permitted design capacity of 2.1 MGD, serving about 4,264 residents. It discharges under NPDES permit IN0024554 (effective), which expires in March 2031, with 32 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Sullivan WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 32

Effluent violations: 13

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

Key contacts

1 verified contact for Sullivan WWTP, with validated emails and direct phone numbers.

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

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Dugger Wwtp, Town Of

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Jasonville Municipal WWTP

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Linton WWTP

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Freelandville Regional Sewer District

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Sullivan 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 March 9, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms

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