Clean Water Act discharge permit · NPDES IN0022497
CARMEL WWTP, Carmel, IN: NPDES IN0022497 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CARMEL WWTP holds NPDES permit IN0022497, which discharges to Or/W Fk White River. EPA’s file records it issued August 16, 2018 and expiring November 30, 2023. 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 | CARMEL WWTP |
|---|---|
| Permittee as filed | CARMEL WWTP |
| NPDES ID | IN0022497 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 16, 2018 |
| Expiration date | November 30, 2023 |
| Issuing agency | IDEM |
| Address | Carmel, IN 46280 |
| Receiving water | OR/W FK WHITE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cool Creek (HUC 051202011001) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 25Pollutants on file
- 22Under a numeric limit
- 14With 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] | 16 | 18 | 14 | November 30, 2018 | 56% over the limit |
| Solids, total suspended | 16 | 17 | 13 | November 30, 2018 | 148% over the limit |
| E. coli, colony forming units [CFU] | 3 | 22 | 11 | October 31, 2005 | 60,053% over the limit |
| Oxygen, dissolved [DO] | 2 | 7 | 6 | June 30, 2004 | 30% over the limit |
| E. coli, MTEC-MF | 0 | 5 | 3 | October 31, 2000 | 95% over the limit |
| Lead, sludge, total, dry weight [as Pb] | 2 | 1 | 1 | June 30, 2004 | 814% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 16 | 4 | 0 | ||
| Phosphorus, total [as P] | 4 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 2 | 0 | ||
| Chlorine, total residual | 0 | 2 | 0 | ||
| Cadmium, dry weight | 2 | 1 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 1 | 0 | ||
| Copper, dry weight | 2 | 0 | 0 | ||
| Number of Events | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 0 | 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 IN0022497.
Inspections
EPA’s inspection file holds no inspection for NPDES IN0022497.
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 IN0022497.
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, IN0022497.
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 IN0022497 there.
Nearby on the register
- Discharge permits in Carmel
- Every permit record in Carmel, A to Z
- Discharge permits in Indiana
- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.