What is the address of Monon WWTP?

The address on the plant’s EPA facility record is 100 Pine St, Monon, IN 47959, in White County. Its coordinates are 40.8574, -86.8744. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Monon WWTP treat?

Monon WWTP treats an average of 0.22 MGD and is permitted for a design flow of 0.22 MGD.

What treatment technology does Monon WWTP use?

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

What is the NPDES permit for Monon WWTP?

The facility discharges under NPDES permit IN0021580, currently effective, expiring November 2026.

Is Monon WWTP in compliance?

Discharge monitoring reports show 129 violations at Monon WWTP in the last three years, 120 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Monon WWTP and how do I contact them?

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

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Monon WWTP

100 Pine St, Monon, IN 47959 · White County · Publicly Owned Treatment Works

Average flow: 0.22 MGD

Design flow: 0.22 MGD

NPDES permit: IN0021580; Effective

Permit expires: November 2026

Population served: 1,919; CWNS 2022

Monon WWTP is a publicly owned wastewater treatment works in Monon, White County, Indiana treating an average of 0.22 million gallons per day against a permitted design capacity of 0.22 MGD, serving about 1,919 residents. It discharges under NPDES permit IN0021580 (effective), which expires in November 2026, with 129 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Monon WWTP.

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

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Compliance snapshot (last 3 years)

Total violations: 129

Effluent violations: 120

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

Key contacts

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

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

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Nearby wastewater treatment plants in Indiana

Twin Lakes Rsd/big Monon Bay

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Francesville Municipal WWTP

Francesville · 10 mi away

0.06 MGD

Reynolds Municipal WWTP

Reynolds · 10 mi away

—

Wolcott Municipal WWTP

Wolcott · 11 mi away

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Twin Lakes Rsd Snow Ditch WWTP

Monticello · 12 mi away

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Chalmers Municipal WWTP

Chalmers · 15 mi away

0.07 MGD

Burnettsville WWTP

Burnettsville · 16 mi away

0.03 MGD

Remington WWTP

Remington · 16 mi away

0.35 MGD

Monon 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 11, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms

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