Clean Water Act discharge permit · NPDES ID0020397
NEZPERCE, CITY OF - NEZPERCE WWTP, Nezperce, ID: NPDES ID0020397 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
NEZPERCE, CITY OF - NEZPERCE WWTP, held by NEZPERCE, CITY OF, holds NPDES permit ID0020397, which discharges to Long Hollow Creek. EPA’s file records it issued February 5, 2004 and expiring March 31, 2009. 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 | NEZPERCE, CITY OF - NEZPERCE WWTP |
|---|---|
| Permittee as filed | NEZPERCE, CITY OF |
| NPDES ID | ID0020397 |
| 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 5, 2004 |
| Expiration date | March 31, 2009 |
| Issuing agency | U.S. EPA, REGION 10 |
| Address | Nezperce, ID 83543 |
| Receiving water | LONG HOLLOW CREEK |
| Subwatershed | Long Hollow Creek (HUC 170603060604) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 11Under a numeric limit
- 15With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 429 | 192 | March 31, 2025 | 211,995,776% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 346 | 98 | October 31, 2023 | 139,876,416% over the limit |
| Solids, suspended percent removal | 1 | 122 | 76 | November 30, 2023 | 665% over the limit |
| BOD, 5-day, percent removal | 1 | 119 | 71 | October 31, 2023 | 566% over the limit |
| pH | 2 | 148 | 50 | December 31, 2025 | |
| Chlorine, total residual | 6 | 209 | 47 | January 31, 2010 | 99,999% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 27 | 25 | March 31, 2003 | 29,900% over the limit |
| E. coli | 2 | 113 | 19 | March 31, 2019 | 1,805% over the limit |
| E. coli, MTEC-MF | 0 | 3 | 3 | February 28, 2023 | 198% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 97 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 50 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 40 | 0 | ||
| Phosphorus, total [as P] | 1 | 40 | 0 | ||
| Temperature, water deg. centigrade | 0 | 2 | 0 | ||
| Flow rate | 0 | 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 ID0020397.
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, ID0020397.
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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 ID0020397 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.