Clean Water Act discharge permit · NPDES ID0020389
NEW PLYMOUTH, CITY OF - NEW PLYMOUTH WWTP, New Plymouth, ID: NPDES ID0020389 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
NEW PLYMOUTH, CITY OF - NEW PLYMOUTH WWTP, held by NEW PLYMOUTH, CITY OF, holds NPDES permit ID0020389, which discharges to Payette River At River Mile 11. EPA’s file records it issued November 28, 2001 and expiring January 2, 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 | NEW PLYMOUTH, CITY OF - NEW PLYMOUTH WWTP |
|---|---|
| Permittee as filed | NEW PLYMOUTH, CITY OF |
| NPDES ID | ID0020389 |
| 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 | November 28, 2001 |
| Expiration date | January 2, 2007 |
| Issuing agency | U.S. EPA, REGION 10 |
| Address | New Plymouth, ID 83655 |
| Receiving water | PAYETTE RIVER AT RIVER MILE 11 |
| Subwatershed | Big Willow Creek-Payette River (HUC 170501220904) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 16Under a numeric limit
- 18With a violation of any kind
- 7With 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 | 3 | 128 | 34 | October 31, 2008 | 564% over the limit |
| pH | 2 | 165 | 31 | September 30, 2008 | |
| BOD, 5-day, percent removal | 1 | 80 | 11 | August 31, 2007 | 186% over the limit |
| Solids, suspended percent removal | 1 | 62 | 10 | September 30, 2008 | 257% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 560 | 7 | September 30, 2007 | 43% over the limit |
| E. coli, MTEC-MF | 2 | 122 | 6 | September 30, 2007 | 294% over the limit |
| Solids, total suspended | 8 | 496 | 2 | September 30, 2006 | 31% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 124 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 76 | 0 | ||
| Phosphorus, total [as P] | 1 | 76 | 0 | ||
| Temperature, water deg. centigrade | 1 | 70 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 52 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 52 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 52 | 0 | ||
| Phosphate, ortho [as PO4] | 1 | 52 | 0 | ||
| Mercury, total recoverable | 1 | 52 | 0 | ||
| Flow, total | 0 | 12 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 6 | 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 ID0020389.
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 ID0020389 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.