Clean Water Act discharge permit · NPDES IN0023779

MILAN WWTP, Milan, IN: NPDES IN0023779 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
6Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MILAN WWTP holds NPDES permit IN0023779, which discharges to Hogan Cr (S Fk) To Ohio River. EPA’s file records it issued May 24, 2018 and expiring July 31, 2024. 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 filed	MILAN WWTP
Permittee as filed	MILAN WWTP
NPDES ID	IN0023779
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	May 24, 2018
Expiration date	July 31, 2024
Issuing agency	IDEM
Address	Milan, IN 47031
Receiving water	HOGAN CR (S FK) TO OHIO RIVER
Subwatershed	Little Hogan Creek-North Hogan Creek (HUC 050902030402)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – 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

10Pollutants on file
9Under a numeric limit
8With a violation of any kind
6With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	8	72	72	July 31, 2026	276% over the limit
E. coli, colony forming units [CFU]	3	67	66	July 31, 2026	26,794% over the limit
Solids, total suspended	8	66	66	July 31, 2026	542% over the limit
BOD, carbonaceous [5 day, 20 C]	8	36	36	November 30, 2025	436% over the limit
Chlorine, total residual	0	5	5	October 31, 2003	67% over the limit
Oxygen, dissolved [DO]	2	10	4	August 31, 2022	20% over the limit
Flow, total	1	2	0
pH	2	1	0
Number of Events	2	0	0
Flow, in conduit or thru treatment plant	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0023779.

Inspections

EPA’s inspection file holds no inspection for NPDES IN0023779.

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

EPA’s informal enforcement file holds no action for NPDES IN0023779.

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 IN0023779 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit IN0023779 for MILAN WWTP in Milan, IN, which discharges to Hogan Cr (S Fk) To Ohio River and is administratively continued past its July 31, 2024 expiration date. The page lists 9 for discharger class, 6 pollutants under a numeric limit, and 6 pollutants with an effluent exceedance, with the status and dates as they stood when the record was loaded on October 14, 2026.