Clean Water Act discharge permit · NPDES ID0024988
FIRTH, CITY OF - FIRTH WWTP, Firth, ID: NPDES ID0024988 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
FIRTH, CITY OF - FIRTH WWTP, held by FIRTH, CITY OF, holds NPDES permit ID0024988, which discharges to Snake River. EPA’s file records it issued June 8, 2004 and expiring July 31, 2009. 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 | FIRTH, CITY OF - FIRTH WWTP |
|---|---|
| Permittee as filed | FIRTH, CITY OF |
| NPDES ID | ID0024988 |
| 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 | June 8, 2004 |
| Expiration date | July 31, 2009 |
| Address | Firth, ID 83236 |
| Receiving water | SNAKE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Town of Basalt-Snake River (HUC 170402060304) |
| 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
- 14Pollutants on file
- 10Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 5 | 87 | 47 | October 31, 2021 | 327% over the limit |
| BOD, 5-day, percent removal | 1 | 39 | 31 | September 30, 2021 | 186% over the limit |
| Solids, total suspended | 5 | 63 | 30 | September 30, 2021 | 57,041% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 34 | 27 | January 31, 1999 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 28 | 23 | September 30, 2021 | 186% over the limit |
| Phosphorus, total [as P] | 1 | 17 | 10 | August 31, 2023 | 27% over the limit |
| pH | 2 | 16 | 3 | June 30, 2011 | |
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 7 | 0 | ||
| E. coli, MTEC-MF | 0 | 6 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 3 | 0 | ||
| Oil and grease visual | 0 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 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 ID0024988.
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, ID0024988.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 ID0024988 there.
Nearby on the register
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- Every permit record in Firth, A to Z
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- Every permit record in Idaho, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.