103227-PEN-ImtwahaFis-20251024

DEWP/25/370

PermitIssDt - 20191211; ExpDate - 20241130; SICCode - 921; PmtType - NPDES-IW-B17; PmtCategory - IND; EPAClass - MINOR; CommonName - Imtwaha Fish Hatchery; LegalName - Confederated Tribes of the Umatilla Indian Reservation; Region - ER; CountyNm - UMATILLA; BasinNm - MIDDLE COLUMBIA; SubbasinNm - WALLA WALLA; StreamNm - South Fork Walla Walla River; FileType - Pre-Enforcement Notice; Enforcement Number - 2025-PEN-10018; Enforcement Date - 20251024