Clean Water Act discharge permit · NPDES ID0021202
MARSING, CITY OF - MARSING WWTP, Marsing, ID: NPDES ID0021202 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
MARSING, CITY OF - MARSING WWTP, held by MARSING, CITY OF, holds NPDES permit ID0021202, which discharges to Snake River. EPA’s file records it issued February 27, 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 | MARSING, CITY OF - MARSING WWTP |
|---|---|
| Permittee as filed | MARSING, CITY OF |
| NPDES ID | ID0021202 |
| 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 27, 2004 |
| Expiration date | April 30, 2009 |
| Address | Marsing, ID 83639 |
| Receiving water | SNAKE RIVER |
| Subwatershed | Deer Flat-Snake River (HUC 170501031004) |
| 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
- 11Under a numeric limit
- 13With a violation of any kind
- 10With 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 | 365 | 50 | June 30, 2025 | 224% over the limit |
| Solids, total suspended | 5 | 258 | 46 | June 30, 2021 | 129% over the limit |
| Chlorine, total residual | 4 | 116 | 31 | August 31, 2014 | 200% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 132 | 28 | November 30, 2003 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 84 | 17 | June 30, 2025 | 99,999% over the limit |
| E. coli, MTEC-MF | 0 | 20 | 17 | June 30, 2025 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 78 | 15 | June 30, 2025 | 99,999% over the limit |
| pH | 2 | 143 | 7 | September 30, 2013 | |
| E. coli | 2 | 23 | 5 | September 30, 2012 | 99,999% over the limit |
| Phosphorus, total [as P] | 1 | 2 | 1 | June 30, 2025 | 5% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 77 | 0 | ||
| Temperature, water deg. centigrade | 1 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 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 ID0021202.
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, ID0021202.
Start the watch
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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 ID0021202 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.