Clean Water Act discharge permit · NPDES ID0020176
ABERDEEN, CITY OF - ABERDEEN WWTP, Aberdeen, ID: NPDES ID0020176 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ABERDEEN, CITY OF - ABERDEEN WWTP, held by ABERDEEN, CITY OF, holds NPDES permit ID0020176, which discharges to American Falls Reservoir, Via. EPA’s file records it issued September 26, 2001 and expiring September 26, 2006. 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 | ABERDEEN, CITY OF - ABERDEEN WWTP |
|---|---|
| Permittee as filed | ABERDEEN, CITY OF |
| NPDES ID | ID0020176 |
| 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 | September 26, 2001 |
| Expiration date | September 26, 2006 |
| Address | Aberdeen, ID 83210 |
| Receiving water | AMERICAN FALLS RESERVOIR, VIA |
| Subwatershed | City of Aberdeen (HUC 170402060704) |
| 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
- 16Pollutants on file
- 15Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| E. coli, MTEC-MF | 2 | 35 | 35 | June 30, 2026 | 1,820% over the limit |
| Solids, total suspended | 5 | 26 | 26 | April 30, 2023 | 107% over the limit |
| Chlorine, total residual | 5 | 17 | 13 | July 31, 2009 | 7% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 11 | 11 | July 31, 2024 | 67% over the limit |
| pH | 3 | 8 | 7 | May 31, 2001 | |
| BOD, 5-day, percent removal | 1 | 8 | 7 | April 30, 1998 | 127% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 1 | 9 | 6 | May 31, 1999 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 6 | 5 | March 31, 1998 | 67% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 5 | 5 | March 31, 2001 | 20% over the limit |
| Temperature, water deg. centigrade | 2 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 1 | 0 | ||
| Flow | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 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 ID0020176.
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 ID0020176 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.