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North Vernon WWTP

725 N Greensburg St, North Vernon, IN 47265 · Jennings County · Publicly Owned Treatment Works

Average flow
1.73 MGD
Design flow
2.2 MGD
NPDES permit
IN0020451
Effective
Permit expires
January 2030
Population served
8,180
CWNS 2022

North Vernon WWTP is a publicly owned wastewater treatment works in North Vernon, Jennings County, Indiana treating an average of 1.73 million gallons per day against a permitted design capacity of 2.2 MGD, serving about 8,180 residents. It discharges under NPDES permit IN0020451 (effective), which expires in January 2030, with 76 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in December 2000.

Treatment technology

One treatment structure or unit process identified at North Vernon WWTP.

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Compliance snapshot (last 3 years)

Total violations
76
Effluent violations
16

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 North Vernon WWTP in EPA's ICIS system.

Formal actions
2
0 since FY2020
Penalties assessed
$30,000
all cases
Compliance actions
$5.4M
required by EPA orders
EPA inspections
0
none on record

Latest case · Dec 2000

NORTH VERNON, CITY OF

Judicial case · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $30,000 · Compliance actions $5.4M

Source: EPA ECHO, civil enforcement case 05-1994-0146.

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

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Key contacts

4 verified contacts for North Vernon WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Indiana

Jennings Northwest Regional Utility

North Vernon · 5 mi away

0.17 MGD

Dupont WWTP

Dupont · 9 mi away

0.07 MGD

Westport WWTP

Westport · 11 mi away

0.71 MGD

Holton Wwtp, Town Of

Holton · 12 mi away

0.03 MGD

Elizabethtown WWTP

Elizabethtown · 14 mi away

0.03 MGD

4.59 MGD

Versailles Lagoons

Versailles · 18 mi away

0.41 MGD

Hartsville WWTP

Hartsville · 19 mi away

0.03 MGD

North Vernon 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 October 12, 2026.

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


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