Clean Water Act discharge permit · NPDES ID0022501
POTLATCH, CITY OF - POTLATCH WWTP, Potlatch, ID: NPDES ID0022501 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
POTLATCH, CITY OF - POTLATCH WWTP, held by POTLATCH, CITY OF, holds NPDES permit ID0022501, which discharges to Palouse River. EPA’s file records it issued February 14, 2005 and expiring March 31, 2010. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | POTLATCH, CITY OF - POTLATCH WWTP |
|---|---|
| Permittee as filed | POTLATCH, CITY OF |
| NPDES ID | ID0022501 |
| 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 | February 14, 2005 |
| Expiration date | March 31, 2010 |
| Address | Potlatch, ID 83855 |
| Receiving water | PALOUSE RIVER |
| Subwatershed | Crystal Creek-St Maries River (HUC 170103040805) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 9Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, percent removal | 1 | 96 | 47 | May 31, 2026 | 560% over the limit |
| Chlorine, total residual | 6 | 125 | 35 | April 30, 2008 | 1,340% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 98 | 32 | February 29, 2004 | 99,899% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 327 | 31 | June 30, 2026 | 109% over the limit |
| Solids, total suspended | 5 | 193 | 30 | June 30, 2026 | 515% over the limit |
| Solids, suspended percent removal | 1 | 35 | 17 | June 30, 2026 | 191% over the limit |
| pH | 2 | 111 | 4 | May 31, 2015 | |
| E. coli | 2 | 37 | 1 | March 31, 2019 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 73 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 8 | 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 ID0022501.
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, ID0022501.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 ID0022501 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.