Clean Water Act discharge permit · NPDES ID0021814
KOOSKIA, CITY OF - KOOSKIA WWTP, Kooskia, ID: NPDES ID0021814 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
KOOSKIA, CITY OF - KOOSKIA WWTP, held by KOOSKIA, CITY OF, holds NPDES permit ID0021814, which discharges to S.F. Clearwater River. EPA’s file records it issued August 15, 2002 and expiring September 30, 2007. 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 | KOOSKIA, CITY OF - KOOSKIA WWTP |
|---|---|
| Permittee as filed | KOOSKIA, CITY OF |
| NPDES ID | ID0021814 |
| 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 | August 15, 2002 |
| Expiration date | September 30, 2007 |
| Address | Kooskia, ID 83539 |
| Receiving water | S.F. CLEARWATER RIVER |
| Subwatershed | Rabbit Creek-South Fork Clearwater River (HUC 170603050903) |
| 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
- 18Pollutants on file
- 11Under a numeric limit
- 17With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 4 | 165 | 151 | January 31, 2007 | 1,141% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 90 | 75 | March 31, 2002 | 99,999% over the limit |
| Solids, total suspended | 8 | 80 | 29 | June 30, 2026 | 86% over the limit |
| E. coli | 2 | 27 | 24 | December 31, 2009 | 3,348% over the limit |
| BOD, 5-day, percent removal | 1 | 27 | 18 | June 30, 1999 | 186% over the limit |
| pH | 2 | 34 | 14 | April 30, 2025 | |
| Solids, suspended percent removal | 1 | 13 | 3 | April 30, 2026 | 26% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 94 | 2 | April 30, 2024 | 33% over the limit |
| E. coli, MTEC-MF | 0 | 1 | 1 | February 28, 2025 | 20% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 13 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 0 | 1 | 0 | ||
| Oil and grease | 0 | 1 | 0 | ||
| Solids, total dissolved | 0 | 1 | 0 | ||
| Temperature, water deg. centigrade | 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 ID0021814.
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
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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 ID0021814 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.