Clean Water Act discharge permit · NPDES IN0041157

WESTERN BOONE JR/SR HIGH SCH, Thorntown, IN: NPDES IN0041157 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
8Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

WESTERN BOONE JR/SR HIGH SCH, held by WESTERN BOONE JR./SR. H.S., holds NPDES permit IN0041157, which discharges to Sugar Cr/Little Sugar Cr/Riggins Dt. EPA’s file records it issued October 28, 2019 and expiring May 31, 2025. 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	WESTERN BOONE JR/SR HIGH SCH
Permittee as filed	WESTERN BOONE JR./SR. H.S.
NPDES ID	IN0041157
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 28, 2019
Expiration date	May 31, 2025
Issuing agency	IDEM
Address	Thorntown, IN 46071
Receiving water	SUGAR CR/LITTLE SUGAR CR/RIGGINS DT
Subwatershed	Little Creek-Little Sugar Creek (HUC 051201100301)
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	RCRA handler INR000016022

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

12Pollutants on file
10Under a numeric limit
11With a violation of any kind
8With 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	73	53	June 30, 2026	1,513% over the limit
Chlorine, total residual	4	31	22	October 31, 2019	1,900% over the limit
Solids, total suspended	8	34	14	August 31, 2017	134% over the limit
pH	2	22	12	March 31, 2016
E. coli, colony forming units [CFU]	3	13	11	July 31, 2026	99,999% over the limit
BOD, carbonaceous [5 day, 20 C]	8	26	2	August 31, 2023	4% over the limit
Oxygen, dissolved [DO]	2	6	1	September 30, 2007	5% over the limit
BOD, carb-5 day, 20 deg C, percent removal	0	1	1	March 31, 2016	25% over the limit
Flow, in conduit or thru treatment plant	1	12	0
Flow, wastewater by-passing trtmnt plant	0	4	0
Flow, total	1	1	0
Number of Events	2	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 IN0041157.

Inspections

Date	What EPA recorded	Agency
September 22, 2026	Reconnaissance without Sampling	S

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 IN0041157.

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 IN0041157 there.

WESTERN BOONE JR/SR HIGH SCH, Thorntown, Indiana: Individual permit IN0041157, held by WESTERN BOONE JR./SR. H.S.; Administratively continued (past its expiration date and still in force until reissued); issued October 28, 2019, term to May 31, 2025, by IDEM; discharges to SUGAR CR/LITTLE SUGAR CR/RIGGINS DT.

Nitrogen, ammonia total [as N]: 8 limits, 73 violations of any kind, 53 effluent exceedances, latest June 30, 2026, largest 1,513% over the limit.
Chlorine, total residual: 4 limits, 31 violations of any kind, 22 effluent exceedances, latest October 31, 2019, largest 1,900% over the limit.
Solids, total suspended: 8 limits, 34 violations of any kind, 14 effluent exceedances, latest August 31, 2017, largest 134% over the limit.
pH: 2 limits, 22 violations of any kind, 12 effluent exceedances, latest March 31, 2016.
E. coli, colony forming units [CFU]: 3 limits, 13 violations of any kind, 11 effluent exceedances, latest July 31, 2026, largest 99,999% over the limit.
BOD, carbonaceous [5 day, 20 C]: 8 limits, 26 violations of any kind, 2 effluent exceedances, latest August 31, 2023, largest 4% over the limit.
Oxygen, dissolved [DO]: 2 limits, 6 violations of any kind, 1 effluent exceedance, latest September 30, 2007, largest 5% over the limit.
BOD, carb-5 day, 20 deg C, percent removal: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest March 31, 2016, largest 25% over the limit.
Flow, in conduit or thru treatment plant: 1 limit, 12 violations of any kind, 0 effluent exceedances.
Flow, wastewater by-passing trtmnt plant: 0 limits, 4 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.

September 22, 2026: Reconnaissance without Sampling (S).

WESTERN BOONE JR/SR HIGH SCH among its neighbors

EPA’s permit file holds 4 discharge permits in the Little Creek-Little Sugar Creek subwatershed (HUC 051201100301), IN0041157 among them. Its county holds 53, 4 of them major permits; IN0041157 is a minor permit.

Other permits in the Little Creek-Little Sugar Creek subwatershed (HUC 051201100301)

346-071 WESTERN BOONE JUNIOR-SENIOR HIGH SCHOOL TENNIS COURTS, Thorntown: INRA15568, minor permit, permit term to March 16, 2030
IN DOT DES1800060 ADDED PASSING LANES, (Unknown City): INRA13083, minor permit, permit term to January 4, 2029
TIMMONS FAMILY FARM, Lebanon: INRA16302, minor permit, permit term to June 23, 2030

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES IN0041157, held by WESTERN BOONE JR./SR. H.S. for the facility listed as WESTERN BOONE JR/SR HIGH SCH in Thorntown, IN, and discharging to Sugar Cr/Little Sugar Cr/Riggins Dt. The permit is administratively continued, classed as a minor discharger, and lists 8 pollutants under a numeric limit, with 8 pollutants showing an effluent exceedance.