COUNTY WATER-SYSTEM LEDGER
Wasco, Oregon
EPA’s September 2026 export lists 2 active community water systems serving Wasco, Oregon, with 1 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Wasco, Oregon
EPA associates 2 covered systems with Wasco, Oregon; their reported population-served values total 17,510 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| The Dalles, City OfOR4100869 | 13,010 | Surface water | Current monitoring/reporting flag |
| Chenowith PudOR4100867 | 4,500 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Wasco, Oregon
EPA classifies 2 systems serving Wasco, Oregon across 2 primary-source categories; Surface water is the largest category with 1 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.