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Clean Water Act discharge permit · NPDES IN0040002

ETNA GREEN WWTP, Etna Green, IN: NPDES IN0040002 discharge permit, effluent exceedances, inspections, penalties

ETNA GREEN WWTP, held by ETNA GREEN WWTP, holds NPDES permit IN0040002, which discharges to Tippecanoe R Via Ridenour Ditch. EPA’s file records it issued November 24, 2020 and expiring March 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedETNA GREEN WWTP
Permittee as filedETNA GREEN WWTP
NPDES IDIN0040002
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedNovember 24, 2020
Expiration dateMarch 31, 2026
Issuing agencyIDEM
AddressEtna Green, IN 46524
Receiving waterTIPPECANOE R VIA RIDENOUR DITCH
SubwatershedRidenour Ditch-Danner Ditch (HUC 051201060304)
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chlorine, total residual47469April 30, 20263,233% over the limit
Nitrogen, ammonia total [as N]81911December 31, 2009196% over the limit
Oxygen, dissolved [DO]232May 31, 202628% over the limit
BOD, carbonaceous [5 day, 20 C]8111June 30, 202634% over the limit
Solids, total suspended891November 30, 202330% over the limit
E. coli, colony forming units [CFU]341April 30, 2025930% over the limit
Flow, total130
pH220
Flow, in conduit or thru treatment plant120
Copper, dry weight210
Cadmium, dry weight210
Molybdenum, sludge, total, dry weight [as Mo]210
Zinc, sludge, total, dry weight [as Zn]210
Lead, sludge, total, dry weight [as Pb]210
Nickel, sludge, total, dry weight [as Ni]210
Mercury, sludge, total, dry weight [as Hg]210
Number of Events200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0040002.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IN0040002 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act NPDES discharge permit IN0040002 for ETNA GREEN WWTP in Etna Green, IN, which is administratively continued and classed as a minor discharger. The facts list 17 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, with the permit's receiving water given as Tippecanoe R via Ridenour Ditch.