Clean Water Act discharge permit · NPDES ID0021784
POCATELLO, CITY OF - POCATELLO WATER POLLUTION CONTROL FACILITY (WPCF), Pocatello, ID: NPDES ID0021784 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 21Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
POCATELLO, CITY OF - POCATELLO WATER POLLUTION CONTROL FACILITY (WPCF), held by POCATELLO, CITY OF, holds NPDES permit ID0021784, which discharges to Portneuf River. EPA’s file records it issued August 2, 1999 and expiring September 7, 2004. 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 | POCATELLO, CITY OF - POCATELLO WATER POLLUTION CONTROL FACILITY (WPCF) |
|---|---|
| Permittee as filed | POCATELLO, CITY OF |
| NPDES ID | ID0021784 |
| 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 2, 1999 |
| Expiration date | September 7, 2004 |
| Issuing agency | U.S. EPA, REGION 10 |
| Address | Pocatello, ID 83202 |
| Receiving water | PORTNEUF RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Trail Creek-Portneuf River (HUC 170402080507) |
| Program components on file | Biosolids, POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler IDD000712380 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 22Pollutants on file
- 21Under a numeric limit
- 9With a violation of any kind
- 8With 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] | 6 | 24 | 24 | July 31, 2026 | 1,381% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 3 | 13 | 12 | April 30, 2012 | 2,025% over the limit |
| Phosphorus, total [as P] | 1 | 10 | 10 | July 31, 2026 | 295% over the limit |
| Chlorine, total residual | 5 | 9 | 6 | March 31, 2008 | 469% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 5 | 5 | May 31, 2024 | 206% over the limit |
| Solids, total suspended | 6 | 4 | 4 | February 28, 2001 | 78% over the limit |
| E. coli | 0 | 4 | 4 | May 31, 2016 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 1 | 1 | February 28, 2001 | 13% over the limit |
| E. coli, MTEC-MF | 1 | 1 | 0 | ||
| Temperature, water deg. centigrade | 3 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Turbidity | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphate, ortho [as PO4] | 1 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 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 ID0021784.
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 ID0021784 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.