Clean Water Act discharge permit · NPDES ID0023604
TROY, CITY OF - TROY WWTP, Troy, ID: NPDES ID0023604 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
TROY, CITY OF - TROY WWTP, held by TROY, CITY OF, holds NPDES permit ID0023604, which discharges to Little Bear Creek (West Fork). EPA’s file records it issued March 5, 2004 and expiring April 30, 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 | TROY, CITY OF - TROY WWTP |
|---|---|
| Permittee as filed | TROY, CITY OF |
| NPDES ID | ID0023604 |
| 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 | March 5, 2004 |
| Expiration date | April 30, 2009 |
| Address | Troy, ID 83871 |
| Receiving water | LITTLE BEAR CREEK (WEST FORK) |
| Subwatershed | Little Bear Creek (HUC 170603061002) |
| 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
- 11Pollutants on file
- 10Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 5 | 186 | 93 | August 31, 2025 | 513% over the limit |
| E. coli | 2 | 109 | 83 | September 30, 2024 | 99,999% over the limit |
| Solids, total suspended | 5 | 174 | 78 | August 31, 2025 | 1,214% over the limit |
| Chlorine, total residual | 6 | 142 | 76 | January 31, 2011 | 1,900% over the limit |
| BOD, 5-day, percent removal | 1 | 70 | 54 | March 31, 2021 | 567% over the limit |
| Solids, suspended percent removal | 1 | 58 | 42 | July 31, 2013 | 567% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 46 | 29 | October 31, 2003 | 99,899% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 26 | 26 | June 30, 2025 | 247% over the limit |
| pH | 2 | 35 | 2 | August 31, 2010 | |
| Flow, in conduit or thru treatment plant | 2 | 29 | 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 ID0023604.
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, ID0023604.
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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 ID0023604 there.
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- Every permit record in Idaho, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.