Clean Water Act discharge permit · NPDES ID0022055
LEWISTON, CITY OF - LEWISTON WWTP, Lewiston, ID: NPDES ID0022055 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 14Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
LEWISTON, CITY OF - LEWISTON WWTP, held by LEWISTON, CITY OF, holds NPDES permit ID0022055, which discharges to Clearwater, Arm Of- Granite Dam Pool. EPA’s file records it issued November 26, 2001 and expiring January 2, 2007. 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 | LEWISTON, CITY OF - LEWISTON WWTP |
|---|---|
| Permittee as filed | LEWISTON, CITY OF |
| NPDES ID | ID0022055 |
| 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 | November 26, 2001 |
| Expiration date | January 2, 2007 |
| Address | Lewiston, ID 83501 |
| Receiving water | CLEARWATER, ARM OF- GRANITE DAM POOL |
| Subwatershed | Catholic Creek-Clearwater River (HUC 170603061308) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler IDD040197261 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 21Pollutants on file
- 14Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| pH | 2 | 20 | 8 | February 28, 2014 | |
| Solids, total suspended | 6 | 40 | 7 | May 31, 2005 | 156% over the limit |
| Chlorine, total residual | 4 | 20 | 5 | March 31, 1997 | 75% over the limit |
| E. coli, MTEC-MF | 2 | 11 | 5 | August 31, 2008 | 393% over the limit |
| Copper, dissolved [as Cu] | 0 | 11 | 5 | August 31, 1990 | 763% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 1 | 12 | 4 | August 31, 2008 | 60% over the limit |
| BOD, 5-day, percent removal | 1 | 10 | 4 | April 30, 1996 | 515% over the limit |
| Solids, suspended percent removal | 1 | 8 | 2 | January 31, 1990 | 17% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 34 | 1 | July 31, 1996 | 17% over the limit |
| Temperature, water deg. centigrade | 3 | 8 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 7 | 0 | ||
| Phosphorus, total [as P] | 1 | 6 | 0 | ||
| Nickel, dissolved [as Ni] | 0 | 6 | 0 | ||
| Zinc, total [as Zn] | 0 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 4 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Phosphate, ortho [as PO4] | 0 | 1 | 0 | ||
| Floating solids, waste or visible foam-visual | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 20, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES ID0022055.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES ID0022055.
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, ID0022055.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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How we handle your data → Privacy
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 ID0022055 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.