Clean Water Act discharge permit · NPDES WA0991018
YAKAMA NATION FISHERIES UPPER WENATCHEE BASIN ACCLIMATION PROGRAM, Peshastin, WA: NPDES WA0991018 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
YAKAMA NATION FISHERIES UPPER WENATCHEE BASIN ACCLIMATION PROGRAM, held by Confederated Tribes and Bands of the Yakama Nation, holds NPDES permit WA0991018. EPA’s file records it issued May 16, 2019 and expiring June 30, 2024. 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 | YAKAMA NATION FISHERIES UPPER WENATCHEE BASIN ACCLIMATION PROGRAM |
|---|---|
| Permittee as filed | Confederated Tribes and Bands of the Yakama Nation |
| NPDES ID | WA0991018 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 16, 2019 |
| Expiration date | June 30, 2024 |
| Issuing agency | State |
| Address | Peshastin, WA 98847 |
| Subwatershed | Lower Peshastin Creek (HUC 170200110503) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 0Under a numeric limit
- 7With a violation of any kind
- 3With 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 | 0 | 474 | 4 | March 31, 2023 | 240% over the limit |
| Solids, settleable | 0 | 460 | 4 | March 31, 2023 | 900% over the limit |
| pH | 0 | 118 | 3 | May 31, 2023 | |
| Nitrogen, inorganic total | 0 | 204 | 0 | ||
| Phosphorus, total [as P] | 0 | 130 | 0 | ||
| Chlorine, total residual | 0 | 128 | 0 | ||
| Fish feed used | 0 | 20 | 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 WA0991018.
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, WA0991018.
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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 WA0991018 there.
Nearby on the register
- Discharge permits in Peshastin
- Every permit record in Peshastin, A to Z
- Discharge permits in Washington
- Every permit record in Washington, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.