What is the address of Trafalgar WWTP?

The address on the plant’s EPA facility record is 3500 S 225 W, Trafalgar, IN 46181, in Johnson County. Its coordinates are 39.4231, -86.1513. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Trafalgar WWTP treat?

Trafalgar WWTP treats an average of 0.2 MGD and is permitted for a design flow of 0.4 MGD.

What treatment technology does Trafalgar WWTP use?

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

What is the NPDES permit for Trafalgar WWTP?

The facility discharges under NPDES permit IN0040681, currently effective, expiring July 2029.

Is Trafalgar WWTP in compliance?

Discharge monitoring reports show 14 violations at Trafalgar WWTP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Trafalgar WWTP and how do I contact them?

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

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Trafalgar WWTP

3500 S 225 W, Trafalgar, IN 46181 · Johnson County · Publicly Owned Treatment Works

Average flow: 0.2 MGD

Design flow: 0.4 MGD

NPDES permit: IN0040681; Effective

Permit expires: July 2029

Population served: 1,422; CWNS 2022

Trafalgar WWTP is a publicly owned wastewater treatment works in Trafalgar, Johnson County, Indiana treating an average of 0.2 million gallons per day against a permitted design capacity of 0.4 MGD, serving about 1,422 residents. It discharges under NPDES permit IN0040681 (effective), which expires in July 2029, with 14 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Trafalgar WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 14

Effluent violations: 8

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

Key contacts

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

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

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Nearby wastewater treatment plants in Indiana

Franklin Wwtp, City Of

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Bargersville Municipal WWTP

Bargersville · 7 mi away

1.01 MGD

Morgantown Water Utility-Treatment Plant #1

Morgantown · 8 mi away

—

Whiteland WWTP

Whiteland · 9 mi away

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New Whiteland Waste Water Tre

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Prince'S Lakes WWTP

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Edinburgh WWTP

Edinburgh · 10 mi away

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Waverly Wastewater Treatment Plant

Waverly · 12 mi away

0.0067 MGD

Trafalgar 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 September 18, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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