Clean Water Act discharge permit · NPDES IN0055166

TRI-LAKES REGIONAL SEWER DISTRICT, Whitley County, IN: NPDES IN0055166 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
4Pollutants with an effluent exceedance

TRI-LAKES REGIONAL SEWER DISTRICT holds NPDES permit IN0055166, which discharges to Eel R (Wabash) Via Blue River. EPA’s file records it issued June 30, 2017 and expiring September 30, 2022. 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	TRI-LAKES REGIONAL SEWER DISTRICT
Permittee as filed	TRI-LAKES REGIONAL SEWER DISTRICT
NPDES ID	IN0055166
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	June 30, 2017
Expiration date	September 30, 2022
Issuing agency	IDEM
Address	Whitley County, IN 46725
Receiving water	EEL R (WABASH) VIA BLUE RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Mud Run-Blue River (HUC 051201040102)
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

11Pollutants on file
10Under a numeric limit
11With a violation of any kind
4With 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
pH	2	35	9	February 28, 2007
Solids, total suspended	2	30	4	November 30, 2007	36% over the limit
Dilution factor	1	16	4	June 30, 2004	1,300% over the limit
BOD, carbonaceous [5 day, 20 C]	2	29	1	November 30, 1999	15% over the limit
Flow, in conduit or thru treatment plant	2	28	0
Streamflow	1	27	0
Nitrogen, ammonia total [as N]	2	18	0
Flow, total	1	5	0
Flow, wastewater by-passing trtmnt plant	0	5	0
E. coli, colony forming units [CFU]	3	4	0
Number of Events	2	1	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 IN0055166.

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.

Watch this permit

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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 IN0055166 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 discharge permit IN0055166 held by TRI-LAKES REGIONAL SEWER DISTRICT in Whitley County, IN, with a status of administratively continued, a Minor discharger class, and a Publicly owned treatment works facility type. The page lists 10 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit issued June 30, 2017 and expiring September 30, 2022.