What is the address of Dupont WWTP?

The address on the plant’s EPA facility record is Mcintyre & W 1st St, Dupont, IN 47231, in Jefferson County. Its coordinates are 38.8880, -85.5346. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Dupont WWTP treat?

Dupont WWTP treats an average of 0.07 MGD and is permitted for a design flow of 0.07 MGD.

What treatment technology does Dupont WWTP use?

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

What is the NPDES permit for Dupont WWTP?

The facility discharges under NPDES permit IN0022802, currently effective, expiring May 2029.

Is Dupont WWTP in compliance?

Discharge monitoring reports show 1 violation at Dupont WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Dupont WWTP and how do I contact them?

Dupont WWTP is a publicly owned treatment works in Dupont, Indiana. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Dupont WWTP

Mcintyre & W 1st St, Dupont, IN 47231 · Jefferson County · Publicly Owned Treatment Works

Average flow: 0.07 MGD

Design flow: 0.07 MGD

NPDES permit: IN0022802; Effective

Permit expires: May 2029

Population served: 343; CWNS 2022

Dupont WWTP is a publicly owned wastewater treatment works in Dupont, Jefferson County, Indiana treating an average of 0.07 million gallons per day against a permitted design capacity of 0.07 MGD, serving about 343 residents. It discharges under NPDES permit IN0022802 (effective), which expires in May 2029, with 1 recorded violation in the last three years.

Treatment technology

One treatment structure or unit process identified at Dupont WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

Decision-makers at Dupont WWTP.

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Nearby wastewater treatment plants in Indiana

North Vernon WWTP

North Vernon · 9 mi away

1.73 MGD

City Of Madison, POTW

Madison · 13 mi away

1.97 MGD

Jennings Northwest Regional Utility

North Vernon · 13 mi away

0.17 MGD

Hanover WWTP

Hanover · 13 mi away

0.48 MGD

Holton Wwtp, Town Of

Holton · 15 mi away

0.03 MGD

Rsd Lexington WWTP

Lexington · 17 mi away

0.0099 MGD

Versailles Lagoons

Versailles · 18 mi away

0.41 MGD

Crothersville WWTP

Crothersville · 18 mi away

1.17 MGD

Dupont 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 November 6, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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