Drinking Water Systems in CLATSKANIE, Oregon
7 water systems are reported for this city, with a combined service population of 2,883. The systems have 200 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving CLATSKANIE
LOST CREEK HEIGHTS WTR ASSOC
100 served44 historical records5 recent
C
MIDLAND WATER ASSOCIATION
160 served299 historical records119 recent
F
QUINCY WATER ASSOCIATION
300 served78 historical records
A
MARSHLAND WATER ASSOCIATION
70 served360 historical records35 recent
D
CLATSKANIE, CITY OF
2,188 served51 historical records34 recent
C
SWEDETOWN WATER ASSOC
40 served8 historical records4 recent
C
WESTLAND WATER ASSOCIATION
25 served29 historical records3 recent
C
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule170 records
Coliform (TCR)97 records
Interim Enhanced Surface Water Treatment Rule62 records
Revised Total Coliform Rule37 records
Consumer Confidence Rule25 records
Nitrate18 records
Benzene16 records
Haloacetic Acids (HAA5)15 records
Arsenic12 records
Total Trihalomethanes (TTHMs)11 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.