Clean Water Act discharge permit · NPDES IN0031372

EASTBROOK HIGH SCHOOL WWTP, Marion, IN: NPDES IN0031372 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
6Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

EASTBROOK HIGH SCHOOL WWTP, held by EASTBROOK HIGH SCHOOL, holds NPDES permit IN0031372, which discharges to Or/Wabash/Mississinewa/Lugar/Monroe. EPA’s file records it issued July 21, 2017 and expiring October 31, 2022.

EASTBROOK HIGH SCHOOL WWTP, Marion, Indiana: Individual permit IN0031372, held by EASTBROOK HIGH SCHOOL; Administratively continued (past its expiration date and still in force until reissued); issued July 21, 2017, term to October 31, 2022, by IDEM; discharges to OR/WABASH/MISSISSINEWA/LUGAR/MONROE.

Nitrogen, ammonia total [as N]: 8 limits, 103 violations of any kind, 91 effluent exceedances, latest February 28, 2026, largest 339% over the limit.
E. coli, colony forming units [CFU]: 3 limits, 27 violations of any kind, 23 effluent exceedances, latest April 30, 2025, largest 268,836% over the limit.
Solids, total suspended: 8 limits, 35 violations of any kind, 11 effluent exceedances, latest September 30, 2025, largest 80% over the limit.
Chlorine, total residual: 4 limits, 16 violations of any kind, 4 effluent exceedances, latest May 31, 2013, largest 100% over the limit.
pH: 2 limits, 16 violations of any kind, 2 effluent exceedances, latest August 31, 2020.
BOD, carbonaceous [5 day, 20 C]: 8 limits, 27 violations of any kind, 1 effluent exceedance, latest November 30, 2000, largest 17% over the limit.
Flow, in conduit or thru treatment plant: 1 limit, 12 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Flow, wastewater by-passing trtmnt plant: 0 limits, 4 violations of any kind, 0 effluent exceedances.
Bypass valve: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.

October 13, 2026: Evaluation (S).

EASTBROOK HIGH SCHOOL WWTP among its neighbors

EPA’s permit file holds 7 discharge permits in the Lugar Creek subwatershed (HUC 051201030509), IN0031372 among them. Its county holds 47, 2 of them major permits; IN0031372 is a minor permit.

Other permits in the Lugar Creek subwatershed (HUC 051201030509)

BAHR BROTHERS MANUFACTURING INCORPORATED, Marion: INRM00190, minor permit, discharging to Mississinewa River, permit term to February 7, 2026
EASTBROOK HIGH SCHOOL, Marion: INRA06258, minor permit, permit term to September 23, 2025
LOVES - MARION PARKING EXPANSION, Marion: INRA17583, minor permit, permit term to February 16, 2031
LOVES TRAVEL STOP 323, Marion: IN0062219, minor permit, discharging to TIPPEY DITCH, permit term to April 30, 2025
OXBO ACRES PROPOSED POND CONSTRUCTION, Marion: INRA16527, minor permit, permit term to July 29, 2030
PARKVIEW MARION, Marion: INRA17882, minor permit, permit term to April 2, 2031

Identity

Facility as filed	EASTBROOK HIGH SCHOOL WWTP
Permittee as filed	EASTBROOK HIGH SCHOOL
NPDES ID	IN0031372
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	July 21, 2017
Expiration date	October 31, 2022
Issuing agency	IDEM
Address	Marion, IN 46953
Receiving water	OR/WABASH/MISSISSINEWA/LUGAR/MONROE
Subwatershed	Lugar Creek (HUC 051201030509)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

11Pollutants on file
9Under a numeric limit
10With 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	103	91	February 28, 2026	339% over the limit
E. coli, colony forming units [CFU]	3	27	23	April 30, 2025	268,836% over the limit
Solids, total suspended	8	35	11	September 30, 2025	80% over the limit
Chlorine, total residual	4	16	4	May 31, 2013	100% over the limit
pH	2	16	2	August 31, 2020
BOD, carbonaceous [5 day, 20 C]	8	27	1	November 30, 2000	17% over the limit
Flow, in conduit or thru treatment plant	1	12	0
Flow, total	1	4	0
Flow, wastewater by-passing trtmnt plant	0	4	0
Bypass valve	0	1	0
Number of Events	2	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0031372.

Inspections

Date	What EPA recorded	Agency
October 13, 2026	Evaluation	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 IN0031372.

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

This public-records page covers Clean Water Act discharge permit NPDES IN0031372 for the Eastbrook High School wastewater treatment plant in Marion, IN, which is administratively continued and classed as a Minor discharger. The page lists 9 pollutants under a numeric limit, of which 6 had an effluent exceedance, with the permit's listed issuance and expiration dates in July 21, 2017 and October 31, 2022 respectively.