Clean Water Act discharge permit · NPDES IN0031631
YANKEETOWN ELEMENTARY SCHOOL, Yankeetown, IN: NPDES IN0031631 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 2Inspections on file
- 0Formal enforcement actions
YANKEETOWN ELEMENTARY SCHOOL holds NPDES permit IN0031631, which discharges to Ohio R/Unnamed Ravine. EPA’s file records it issued June 18, 2020 and expiring October 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 | YANKEETOWN ELEMENTARY SCHOOL |
|---|---|
| Permittee as filed | YANKEETOWN ELEMENTARY SCHOOL |
| NPDES ID | IN0031631 |
| 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 | June 18, 2020 |
| Expiration date | October 31, 2025 |
| Issuing agency | IDEM |
| Address | Yankeetown, IN 47710 |
| Receiving water | OHIO R/UNNAMED RAVINE |
| Subwatershed | Red Bush-Little Pigeon Creek (HUC 051402011006) |
| 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
- 13Pollutants on file
- 10Under a numeric limit
- 12With a violation of any kind
- 7With 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 | 78 | 74 | February 28, 2026 | 2,408% over the limit |
| Solids, total suspended | 8 | 55 | 38 | May 31, 2025 | 244% over the limit |
| Chlorine, total residual | 4 | 28 | 26 | April 30, 2023 | 9,067% over the limit |
| E. coli, colony forming units [CFU] | 3 | 19 | 19 | August 31, 2024 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 24 | 8 | September 30, 2025 | 498% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 2 | 1 | June 30, 2018 | 39% over the limit |
| Solids, suspended percent removal | 0 | 2 | 1 | July 31, 2016 | 111% over the limit |
| pH | 2 | 14 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 7 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 3 | 0 | ||
| Flow, total | 1 | 2 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 21, 2026 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| January 21, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 21, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 17, 2026 | Reconnaissance without Sampling | S |
| January 21, 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
| Date | What EPA recorded | Agency |
|---|---|---|
| January 21, 2026 | Notice of Noncompliance Issued | State |
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 IN0031631 there.
YANKEETOWN ELEMENTARY SCHOOL, Yankeetown, Indiana: Individual permit IN0031631; Administratively continued (past its expiration date and still in force until reissued); issued June 18, 2020, term to October 31, 2025, by IDEM; discharges to OHIO R/UNNAMED RAVINE.
- Nitrogen, ammonia total [as N]: 8 limits, 78 violations of any kind, 74 effluent exceedances, latest February 28, 2026, largest 2,408% over the limit.
- Solids, total suspended: 8 limits, 55 violations of any kind, 38 effluent exceedances, latest May 31, 2025, largest 244% over the limit.
- Chlorine, total residual: 4 limits, 28 violations of any kind, 26 effluent exceedances, latest April 30, 2023, largest 9,067% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 19 violations of any kind, 19 effluent exceedances, latest August 31, 2024, largest 99,999% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 8 limits, 24 violations of any kind, 8 effluent exceedances, latest September 30, 2025, largest 498% over the limit.
- BOD, carb-5 day, 20 deg C, percent removal: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest June 30, 2018, largest 39% over the limit.
- Solids, suspended percent removal: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest July 31, 2016, largest 111% over the limit.
- pH: 2 limits, 14 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Flow, wastewater by-passing trtmnt plant: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Flow, total: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- September 17, 2026: Reconnaissance without Sampling (S).
- January 21, 2026: Management Practice Violations - Best Management Practice Deficiencies (ST6).
- January 21, 2026: Management Practice Violations - Improper Operation and Maintenance (ST6).
- January 21, 2026: Effluent Violations - Numeric effluent violation (ST6).
- January 21, 2026: Evaluation (S).
- January 21, 2026: Notice of Noncompliance Issued (State).
YANKEETOWN ELEMENTARY SCHOOL among its neighbors
EPA’s permit file holds 3 discharge permits in the Red Bush-Little Pigeon Creek subwatershed (HUC 051402011006), IN0031631 among them. Its county holds 53, 5 of them major permits; IN0031631 is a minor permit.
Other permits in the Red Bush-Little Pigeon Creek subwatershed (HUC 051402011006)
- CENTERPOINT ENERGY - SIGECO F. B. CULLEY STATION, Newburgh: IN0002259, major permit, discharging to OHIO RIVER, permit term to April 30, 2022
- WARRICK COUNTY RIVER TERMINAL, Newburgh: IN0048429, minor permit, discharging to UNT TO CYPRESS CRK & LITTLE PIGEON CRK, permit term to July 31, 2021
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.