Drinking Water Systems in THE DALLES, Oregon
7 water systems are reported for this city, with a combined service population of 18,390. The systems have 84 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving THE DALLES
ROWENA DELL WATER SYSTEM
30 served145 historical records4 recent
C
CHENOWITH PUD
4,500 served77 historical records1 recent
C
FOLEY LAKES MOBILE HOME PARK
300 served182 historical records55 recent
C
VIEW POINT TRAILER COURT
160 served247 historical records8 recent
C
HAZEL DELL ORCHARD
260 served14 historical records1 recent
C
THE DALLES, CITY OF
13,010 served27 historical records15 recent
C
PINEWOOD MOBILE MANOR
130 served233 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)116 records
Nitrate31 records
Benzene24 records
Public Notice23 records
COLIPHAGE18 records
Total Coliform16 records
Revised Total Coliform Rule15 records
Lead and Copper Rule15 records
1,2-Dichloroethane14 records
Total Trihalomethanes (TTHMs)14 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.