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Clean Water Act discharge permit · NPDES IN0020397

SCOTTSBURG WWTP, Scottsburg, IN: NPDES IN0020397 discharge permit, effluent exceedances, inspections, penalties

SCOTTSBURG WWTP holds NPDES permit IN0020397, which discharges to Muscatatuck R Via Mcclain D Via Trb. EPA’s file records it issued October 15, 2020 and expiring February 28, 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 filedSCOTTSBURG WWTP
Permittee as filedSCOTTSBURG WWTP
NPDES IDIN0020397
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 15, 2020
Expiration dateFebruary 28, 2026
Issuing agencyIDEM
AddressScottsburg, IN 47170
Receiving waterMUSCATATUCK R VIA MCCLAIN D VIA TRB
SubwatershedHutto Creek-Stucker Ditch (HUC 051202070505)
Program components on fileBiosolids, POTW, Pretreatment
NAICS221320 – Sewage Treatment Facilities
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
Nitrogen, ammonia total [as N]16175159April 30, 2022749% over the limit
E. coli, colony forming units [CFU]31917September 30, 2025930% over the limit
Copper, total recoverable4199October 31, 2021352% over the limit
Chlorine, total residual0119October 31, 20120% over the limit
Lead, total recoverable0188September 30, 201185% over the limit
Oxygen, dissolved [DO]4115July 31, 201422% over the limit
Cyanide, free [amenable to chlorination]495December 31, 2020100% over the limit
Silver total recoverable0144August 31, 2009173% over the limit
Zinc, total recoverable0144December 31, 201474% over the limit
Cadmium, total recoverable0144September 30, 201020,374% over the limit
Solids, total suspended16233November 30, 2017312% over the limit
Phosphorus, total [as P]222September 30, 201920% over the limit
Solids, suspended percent removal022March 31, 202027% over the limit
BOD, carbonaceous [5 day, 20 C]16211December 31, 2010224% over the limit
pH2111December 31, 2019
Flow, in conduit or thru treatment plant1100
Nickel, total recoverable0100
Chromium, total recoverable0100
Cyanide, total [as CN]040
Flow, wastewater by-passing trtmnt plant040
Copper, dry weight230
Cadmium, dry weight230
Molybdenum, sludge, total, dry weight [as Mo]230
Zinc, sludge, total, dry weight [as Zn]230
Lead, sludge, total, dry weight [as Pb]230
Nickel, sludge, total, dry weight [as Ni]230
Mercury, sludge, total, dry weight [as Hg]230
Nitrogen, total [as N]220
Flow, total120
Cyanide, free [as free]400
Toxicity [acute], Ceriodaphnia dubia300
Toxicity [chronic], Ceriodaphnia dubia300
Toxicity [acute], Pimephales promelas [Fathead Minnow]300
Toxicity [chronic], Pimephales promelas [Fathead Minnow]300
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

DateWhat EPA recordedAgency
June 9, 2026Management Practice Violations - Violation of a milestone in an orderST6
June 9, 2026Monitoring Violations - Frequency of Sampling ViolationST6
June 9, 2026Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environmentST6
June 9, 2026Management Practice Violations - Inflow/Infiltration (I/I)ST6
June 9, 2026Reporting Violations - Improper/ Incorrect ReportingST6

Inspections

DateWhat EPA recordedAgency
June 9, 2026EvaluationS
January 29, 2026EvaluationS
January 28, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

DateWhat EPA recordedAgency
June 9, 2026Notice of Noncompliance IssuedState

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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How we handle your data → Privacy

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 IN0020397 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 permit IN0020397 for the SCOTTSBURG WWTP in Scottsburg, IN, which discharges to Muscatatuck R Via Mcclain D Via Trb within the Hutto Creek-Stucker Ditch subwatershed (HUC 051202070505). The permit is listed as administratively continued, a major discharger class, with 25 pollutants under a numeric limit and 15 pollutants with an effluent exceedance.