Clean Water Act discharge permit · NPDES ID0020281
KETCHUM, CITY OF - KETCHUM/SUN VALLEY WWTP, Ketchum, ID: NPDES ID0020281 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 23Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
KETCHUM, CITY OF - KETCHUM/SUN VALLEY WWTP, held by CITY OF KETCHUM, holds NPDES permit ID0020281, which discharges to Big Wood River. EPA’s file records it issued May 9, 2001 and expiring June 12, 2006. 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 | KETCHUM, CITY OF - KETCHUM/SUN VALLEY WWTP |
|---|---|
| Permittee as filed | CITY OF KETCHUM |
| NPDES ID | ID0020281 |
| 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 | May 9, 2001 |
| Expiration date | June 12, 2006 |
| Issuing agency | U.S. EPA, REGION 10 |
| Address | Ketchum, ID 83340 |
| Receiving water | BIG WOOD RIVER |
| Subwatershed | Elkhorn Gulch-Big Wood River (HUC 170402190305) |
| Program components on file | Biosolids, 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
- 24Pollutants on file
- 23Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| Coliform, fecal MF, MFC broth, 44.5 C | 1 | 14 | 14 | May 31, 2011 | 1,110% over the limit |
| Copper, total recoverable | 1 | 9 | 9 | February 28, 2022 | 88% over the limit |
| Phosphorus, total [as P] | 2 | 4 | 4 | February 28, 2022 | 119% over the limit |
| Chlorine, total residual | 4 | 3 | 3 | January 31, 2004 | 87% over the limit |
| Solids, suspended percent removal | 1 | 2 | 2 | April 30, 2003 | 27% over the limit |
| pH | 3 | 2 | 1 | July 31, 1999 | |
| E. coli, MTEC-MF | 2 | 1 | 1 | May 31, 2011 | 496% over the limit |
| Temperature, water deg. centigrade | 3 | 2 | 0 | ||
| Mercury, total recoverable | 0 | 2 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 1 | 0 | ||
| Mercury, total [as Hg] | 2 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 1 | 0 | ||
| Cadmium, dissolved [as Cd] | 1 | 1 | 0 | ||
| Copper, dissolved [as Cu] | 1 | 1 | 0 | ||
| Lead, dissolved [as Pb] | 1 | 1 | 0 | ||
| Zinc, dissolved [as Zn] | 1 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Solids, total suspended | 5 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 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 ID0020281.
Velarion’s copy of EPA’s ICIS-NPDES files does not 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, ID0020281.
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 ID0020281 there.
Nearby on the register
- Discharge permits in Ketchum
- Every permit record in Ketchum, A to Z
- Discharge permits in Idaho
- Every permit record in Idaho, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.