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Clean Water Act discharge permit · NPDES IN0034461

NORTHWESTERN ELEM & HIGH SCHOOL, Kokomo, IN: NPDES IN0034461 discharge permit, effluent exceedances, inspections, penalties

NORTHWESTERN ELEM & HIGH SCHOOL holds NPDES permit IN0034461, which discharges to Wabash R/Deer Cr/Ltl Deer Cr/Harlan. EPA’s file records it issued January 22, 2021 and expiring April 30, 2026.

NORTHWESTERN ELEM & HIGH SCHOOL, Kokomo, Indiana: Individual permit IN0034461; Administratively continued (past its expiration date and still in force until reissued); issued January 22, 2021, term to April 30, 2026, by IDEM; discharges to WABASH R/DEER CR/LTL DEER CR/HARLAN.

  • Nitrogen, ammonia total [as N]: 8 limits, 67 violations of any kind, 67 effluent exceedances, latest October 31, 2023, largest 1,225% over the limit.
  • Solids, total suspended: 8 limits, 42 violations of any kind, 22 effluent exceedances, latest March 31, 2026, largest 541% over the limit.
  • Oxygen, dissolved [DO]: 2 limits, 22 violations of any kind, 17 effluent exceedances, latest July 31, 2015, largest 92% over the limit.
  • Solids, suspended percent removal: 1 limit, 16 violations of any kind, 16 effluent exceedances, latest April 30, 2025, largest 246% over the limit.
  • E. coli, colony forming units [CFU]: 3 limits, 17 violations of any kind, 15 effluent exceedances, latest August 31, 2024, largest 271% over the limit.
  • pH: 2 limits, 14 violations of any kind, 4 effluent exceedances, latest September 30, 2011.
  • BOD, carbonaceous [5 day, 20 C]: 8 limits, 22 violations of any kind, 2 effluent exceedances, latest December 31, 2003, largest 99,999% over the limit.
  • BOD, carb-5 day, 20 deg C, percent removal: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest May 31, 2020, largest 71% over the limit.
  • Flow, in conduit or thru treatment plant: 1 limit, 10 violations of any kind, 0 effluent exceedances.
  • Flow, total: 1 limit, 5 violations of any kind, 0 effluent exceedances.
  • Flow, wastewater by-passing trtmnt plant: 0 limits, 5 violations of any kind, 0 effluent exceedances.
  • Bypass valve: 0 limits, 4 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • E. coli, MTEC-MF: 0 limits, 2 violations of any kind, 0 effluent exceedances.
  • Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • March 4, 2026: Evaluation (S).

NORTHWESTERN ELEM & HIGH SCHOOL among its neighbors

EPA’s permit file holds 3 discharge permits in the Henry Gilbert Ditch-Little Deer Creek subwatershed (HUC 051201050501), IN0034461 among them. Its county holds 48, 1 of them major permits; IN0034461 is a minor permit.

Other permits in the Henry Gilbert Ditch-Little Deer Creek subwatershed (HUC 051201050501)

Identity

Facility as filedNORTHWESTERN ELEM & HIGH SCHOOL
Permittee as filedNORTHWESTERN ELEM & HIGH SCHOOL
NPDES IDIN0034461
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 22, 2021
Expiration dateApril 30, 2026
Issuing agencyIDEM
AddressKokomo, IN 46902
Receiving waterWABASH R/DEER CR/LTL DEER CR/HARLAN
Receiving water impaired303(D) Listed
SubwatershedHenry Gilbert Ditch-Little Deer Creek (HUC 051201050501)

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]86767October 31, 20231,225% over the limit
Solids, total suspended84222March 31, 2026541% over the limit
Oxygen, dissolved [DO]22217July 31, 201592% over the limit
Solids, suspended percent removal11616April 30, 2025246% over the limit
E. coli, colony forming units [CFU]31715August 31, 2024271% over the limit
pH2144September 30, 2011
BOD, carbonaceous [5 day, 20 C]8222December 31, 200399,999% over the limit
BOD, carb-5 day, 20 deg C, percent removal111May 31, 202071% over the limit
Flow, in conduit or thru treatment plant1100
Flow, total150
Flow, wastewater by-passing trtmnt plant050
Bypass valve040
Phosphorus, total [as P]220
E. coli, MTEC-MF020
Number of Events200

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0034461.

Inspections

DateWhat EPA recordedAgency
March 4, 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

EPA’s informal enforcement file holds no action for NPDES IN0034461.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit IN0034461 held by NORTHWESTERN ELEM & HIGH SCHOOL in Kokomo, IN, which discharges to Wabash R/Deer Cr/Ltl Deer Cr/Harlan, with the permit listed as administratively continued and a minor discharger class. The page lists 12 pollutants under a numeric limit and 8 pollutants with an effluent exceedance.