Clean Water Act discharge permit · NPDES ID0028436
PRINCETON-HAMPTON WATER AND SEWER DISTRICT - WWTP, Princeton, ID: NPDES ID0028436 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PRINCETON-HAMPTON WATER AND SEWER DISTRICT - WWTP, held by PRINCETON-HAMPTON WATER & SEWER DISTRICT, holds NPDES permit ID0028436, which discharges to Palouse River. EPA’s file records it issued March 1, 2020 and expiring March 31, 2025. 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 | PRINCETON-HAMPTON WATER AND SEWER DISTRICT - WWTP |
|---|---|
| Permittee as filed | PRINCETON-HAMPTON WATER & SEWER DISTRICT |
| NPDES ID | ID0028436 |
| 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 | March 1, 2020 |
| Expiration date | March 31, 2025 |
| Address | Princeton, ID 83857 |
| Receiving water | PALOUSE RIVER |
| Subwatershed | Rock Creek-Palouse River (HUC 170601080110) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 119 | 4 | June 30, 2024 | 131% over the limit |
| Chlorine, total residual | 12 | 92 | 4 | October 31, 2021 | 483,900% over the limit |
| Solids, suspended percent removal | 1 | 25 | 2 | January 31, 2026 | 287% over the limit |
| E. coli, MTEC-MF | 2 | 47 | 1 | June 30, 2024 | 41% over the limit |
| BOD, 5-day, percent removal | 1 | 24 | 1 | October 31, 2021 | 207% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 115 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 92 | 0 | ||
| Temperature, water deg. centigrade | 4 | 70 | 0 | ||
| pH | 4 | 70 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 70 | 0 | ||
| Septage discharged to treatment fac. | 1 | 23 | 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 ID0028436.
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, ID0028436.
Start the watch
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- One watershed — $2,990/year
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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 ID0028436 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.