Clean Water Act discharge permit · NPDES IN0020745
OSSIAN WWTP, TOWN OF, Ossian, IN: NPDES IN0020745 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
OSSIAN WWTP, TOWN OF holds NPDES permit IN0020745, which discharges to Or/Wabash/Little/Eight Mile Creek. EPA’s file records it issued May 21, 2020 and expiring September 30, 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 | OSSIAN WWTP, TOWN OF |
|---|---|
| Permittee as filed | OSSIAN WWTP, TOWN OF |
| NPDES ID | IN0020745 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 21, 2020 |
| Expiration date | September 30, 2025 |
| Issuing agency | IDEM |
| Address | Ossian, IN 46777 |
| Receiving water | OR/WABASH/LITTLE/EIGHT MILE CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Moser Lake-Eightmile Creek (HUC 051201010902) |
| Program components on file | CSO, POTW |
| NAICS | 221320 – Sewage Treatment Facilities |
| 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
- 10Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 15 | 10 | June 30, 2015 | 922% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 11 | 7 | August 31, 2005 | 501% over the limit |
| Chlorine, total residual | 0 | 6 | 5 | October 31, 2006 | 100% over the limit |
| Oxygen, dissolved [DO] | 2 | 8 | 1 | June 30, 2005 | 3% over the limit |
| E. coli, colony forming units [CFU] | 3 | 6 | 1 | May 31, 2011 | 21% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 4 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Number of Events | 2 | 2 | 0 | ||
| Flow, total | 1 | 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 IN0020745.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| January 7, 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 IN0020745.
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, IN0020745.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IN0020745 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.