Drinking Water Systems in ASTORIA, Oregon
9 water systems are reported for this city, with a combined service population of 18,076. The systems have 103 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving ASTORIA
KNAPPA WATER ASSOCIATION
1,800 served10 historical records5 recent
C
BURNSIDE WATER ASSOCIATION
350 served16 historical records1 recent
B
YOUNGS RIVER LEWIS & CLARK WD
2,580 served352 historical records46 recent
C
OLNEY-WALLUSKI WATER ASSN
575 served27 historical records4 recent
C
FERNHILL COMMUNITY WTR SYSTEM
300 served21 historical records4 recent
C
WILLOW DALE WATER DISTRICT
310 served22 historical records
A
ASTORIA, CITY OF
10,181 served26 historical records
A
JOHN DAY WATER DISTRICT
350 served41 historical records12 recent
D
WICKIUP WATER DISTRICT
1,630 served241 historical records31 recent
C
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule108 records
Coliform (TCR)74 records
Interim Enhanced Surface Water Treatment Rule41 records
Haloacetic Acids (HAA5)38 records
Lead and Copper Rule34 records
Total Trihalomethanes (TTHMs)33 records
Consumer Confidence Rule19 records
Revised Total Coliform Rule17 records
Benzene13 records
Nitrate9 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.