Clean Water Act discharge permit · NPDES ID0020214
PRESTON, CITY OF - PRESTON WWTP, Preston, ID: NPDES ID0020214 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
PRESTON, CITY OF - PRESTON WWTP, held by PRESTON, CITY OF, holds NPDES permit ID0020214, which discharges to Worm Creek. EPA’s file records it issued May 31, 2005 and expiring July 31, 2010. 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 | PRESTON, CITY OF - PRESTON WWTP |
|---|---|
| Permittee as filed | PRESTON, CITY OF |
| NPDES ID | ID0020214 |
| 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 | May 31, 2005 |
| Expiration date | July 31, 2010 |
| Issuing agency | U.S. EPA, REGION 10 |
| Address | Preston, ID 83263 |
| Receiving water | WORM CREEK |
| Subwatershed | Worm Creek (HUC 160102020503) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 26Pollutants on file
- 12Under a numeric limit
- 25With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 349 | 201 | December 31, 2025 | 1,032% over the limit |
| Solids, total suspended | 6 | 176 | 26 | April 30, 2025 | 867% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 192 | 21 | January 31, 2025 | 91% over the limit |
| Phosphorus, total [as P] | 6 | 154 | 10 | April 30, 2022 | 91% over the limit |
| Oxygen, dissolved [DO] | 2 | 50 | 6 | April 30, 2015 | 2% over the limit |
| BOD, 5-day, percent removal | 1 | 27 | 2 | April 30, 2017 | 20% over the limit |
| pH | 4 | 108 | 1 | February 28, 2014 | |
| E. coli, MTEC-MF | 4 | 93 | 1 | December 31, 2015 | 3% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 1 | 1 | September 30, 2002 | 4% over the limit |
| Temperature, water deg. centigrade | 4 | 100 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 72 | 0 | ||
| Solids, suspended percent removal | 1 | 25 | 0 | ||
| Stream flow, instantaneous | 0 | 14 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 4 | 0 | ||
| Conductivity | 0 | 2 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 2 | 0 | ||
| Carbon, dissolved organic [as C] | 0 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 2 | 0 | ||
| Arsenic, total recoverable | 0 | 2 | 0 | ||
| Nickel, total recoverable | 0 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Copper, total recoverable | 0 | 2 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 0 | 2 | 0 | ||
| Antimony, total recoverable | 0 | 2 | 0 | ||
| Mercury, total recoverable | 0 | 2 | 0 | ||
| Chlorine, total residual | 2 | 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 ID0020214.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| March 12, 2026 | Evaluation | S |
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 ID0020214.
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, ID0020214.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 ID0020214 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.