Clean Water Act discharge permit · NPDES ID0021849
COTTONWOOD, CITY OF - COTTONWOOD WWTP, Cottonwood, ID: NPDES ID0021849 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
COTTONWOOD, CITY OF - COTTONWOOD WWTP, held by COTTONWOOD, CITY OF, holds NPDES permit ID0021849, which discharges to Cottonwood Creek. EPA’s file records it issued August 30, 2002 and expiring September 30, 2007. 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 | COTTONWOOD, CITY OF - COTTONWOOD WWTP |
|---|---|
| Permittee as filed | COTTONWOOD, CITY OF |
| NPDES ID | ID0021849 |
| 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 | August 30, 2002 |
| Expiration date | September 30, 2007 |
| Address | Cottonwood, ID 83522 |
| Receiving water | COTTONWOOD CREEK |
| Subwatershed | Upper Cottonwood Creek (HUC 170603050802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 11Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 70 | 64 | March 31, 2002 | 39,900% over the limit |
| BOD, 5-day, percent removal | 1 | 46 | 39 | March 31, 2026 | 186% over the limit |
| pH | 4 | 39 | 25 | March 31, 2022 | |
| Solids, total suspended | 5 | 43 | 23 | December 31, 2023 | 409% over the limit |
| Chlorine, total residual | 4 | 36 | 22 | January 31, 2025 | 69,900% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 156 | 21 | February 28, 2025 | 133% over the limit |
| Solids, suspended percent removal | 1 | 17 | 14 | April 30, 2026 | 917% over the limit |
| E. coli | 2 | 12 | 8 | January 31, 2017 | 1,170% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 7 | 3 | January 31, 2024 | 12% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 9 | 0 | ||
| Temperature, water deg. centigrade | 2 | 5 | 0 | ||
| Stream flow, instantaneous | 1 | 3 | 0 | ||
| E. coli, MTEC-MF | 0 | 3 | 0 | ||
| Phosphorus, total [as P] | 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 ID0021849.
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, ID0021849.
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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 ID0021849 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 September 15, 2026.