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Boonville WWTP

2455 Millersburg Rd, Boonville, IN 47601 · Warrick County · Publicly Owned Treatment Works

Average flow
3.13 MGD
Design flow
2.9 MGD
NPDES permit
IN0022420
Effective
Permit expires
November 2027
Population served
6,987
CWNS 2022

Boonville WWTP is a publicly owned wastewater treatment works in Boonville, Warrick County, Indiana treating an average of 3.13 million gallons per day against a permitted design capacity of 2.9 MGD, serving about 6,987 residents. It discharges under NPDES permit IN0022420 (effective), which expires in November 2027, with 11 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in November 2001.

Treatment technology

One treatment structure or unit process identified at Boonville WWTP.

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Compliance snapshot (last 3 years)

Total violations
11
Effluent violations
9

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

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Boonville WWTP in EPA's ICIS system.

Formal actions
2
0 since FY2020
Penalties assessed
$80,900
all cases
Compliance actions
$491,000
required by EPA orders
EPA inspections
0
none on record

Latest case · Nov 2001

BOONVILLE, CITY OF

Judicial case · CWA, Clean Water Act · Final Order With Penalty · Penalty $54,900 · Compliance actions $491,000

Source: EPA ECHO, civil enforcement case 05-1997-0424.

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Every action against Boonville WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

2 verified contacts for Boonville WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Indiana

Newburgh WWTP

Newburgh · 9 mi away

3.17 MGD

Tennyson Water Utility

Tennyson · 10 mi away

0.05 MGD

Lynnville WWTP

Lynnville · 10 mi away

0.09 MGD

Elberfeld WWTP

Elberfeld · 11 mi away

0.15 MGD

Gentryville WWTP

Gentryville · 12 mi away

—

Chrisney Water Department

Chrisney · 14 mi away

0.04 MGD

Pigeon Twp Rsd

Dale · 15 mi away

0.0096 MGD

0.21 MGD

Boonville 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 May 18, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms


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