Clean Water Act discharge permit · NPDES IN0055255
MARRS ELEMENTARY SCHOOL, Mount Vernon, IN: NPDES IN0055255 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MARRS ELEMENTARY SCHOOL holds NPDES permit IN0055255, which discharges to Unnamed Trib Of Dixon & Lewis Ditch. EPA’s file records it issued December 4, 2019 and expiring May 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MARRS ELEMENTARY SCHOOL |
|---|---|
| Permittee as filed | MARRS ELEMENTARY SCHOOL |
| NPDES ID | IN0055255 |
| 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 | December 4, 2019 |
| Expiration date | May 31, 2025 |
| Issuing agency | IDEM |
| Address | Mount Vernon, IN 47620 |
| Receiving water | UNNAMED TRIB OF DIXON & LEWIS DITCH |
| Subwatershed | Cypress Slouth (HUC 051402020603) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 9Under a numeric limit
- 11With 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 | 70 | 58 | December 31, 2025 | 1,475% over the limit |
| E. coli, colony forming units [CFU] | 3 | 41 | 37 | August 31, 2025 | 32,240% over the limit |
| Solids, total suspended | 8 | 56 | 32 | December 31, 2025 | 284% over the limit |
| Oxygen, dissolved [DO] | 2 | 14 | 7 | August 31, 2024 | 37% over the limit |
| pH | 2 | 19 | 5 | July 31, 2003 | |
| E. coli, MTEC-MF | 0 | 5 | 5 | April 30, 2001 | 2,028% over the limit |
| Solids, suspended percent removal | 0 | 1 | 1 | January 31, 2019 | 31% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 28 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 15 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 4 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0055255.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IN0055255.
Start the watch
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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 IN0055255 there.
Nearby on the register
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- Every permit record in Mount Vernon, A to Z
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.