Clean Water Act discharge permit · NPDES ID0021491
MOSCOW, CITY OF - MOSCOW WWTP, Moscow, ID: NPDES ID0021491 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MOSCOW, CITY OF - MOSCOW WWTP, held by MOSCOW, CITY OF, holds NPDES permit ID0021491, which discharges to Paradise Creek. EPA’s file records it issued March 12, 1999 and expiring April 14, 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 | MOSCOW, CITY OF - MOSCOW WWTP |
|---|---|
| Permittee as filed | MOSCOW, CITY OF |
| NPDES ID | ID0021491 |
| 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 | March 12, 1999 |
| Expiration date | April 14, 2004 |
| Address | Moscow, ID 83843 |
| Receiving water | PARADISE CREEK |
| Subwatershed | Paradise Creek (HUC 170601080202) |
| Program components on file | Biosolids, POTW |
| 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
- 13Pollutants on file
- 13Under a numeric limit
- 13With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 12 | 157 | 133 | May 31, 2011 | 2,233% over the limit |
| Oxygen, dissolved [DO] | 5 | 65 | 26 | August 31, 2015 | 30% over the limit |
| Chlorine, total residual | 4 | 34 | 10 | June 30, 2008 | 170% over the limit |
| Fecal coliform, MPN, EC med, 44.5 C | 3 | 36 | 4 | May 31, 2008 | 401% over the limit |
| Solids, total suspended | 13 | 36 | 1 | July 31, 2001 | 6% over the limit |
| Solids, suspended percent removal | 1 | 8 | 1 | July 31, 2001 | 3% over the limit |
| BOD, 5-day, 20 deg. C | 11 | 53 | 0 | ||
| Temperature, water deg. centigrade | 6 | 46 | 0 | ||
| pH | 4 | 30 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 28 | 0 | ||
| Stream flow, estimated | 2 | 26 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 14 | 0 | ||
| BOD, 5-day, percent removal | 1 | 7 | 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 ID0021491.
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 ID0021491 there.
Nearby on the register
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- Every permit record in Idaho, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.