Drinking Water Systems in PORTLAND, Oregon
17 water systems are reported for this city, with a combined service population of 749,899. The systems have 210 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving PORTLAND
RALEIGH WATER DISTRICT
4,500 served9 historical records1 recent
B
SAUVIE ISLAND MOORAGE
96 served243 historical records60 recent
D
MOBILE VILLAGE MHP LLC
100 served126 historical records5 recent
C
BIG OAK MARINA
30 served96 historical records81 recent
D
PALATINE HILL WATER DISTRICT
1,500 served9 historical records2 recent
B
THURSTON OAKS MHP
38 served18 historical records4 recent
C
PORTLAND WATER BUREAU
666,200 served16 historical records1 recent
B
WOODBURN MOBILE ESTATES
70 served77 historical records13 recent
D
ROCKY POINTE MARINA
125 served124 historical records2 recent
B
TOTEM VILLAGE MHP
70 served185 historical records2 recent
B
MCCUDDYS LANDING
70 served91 historical records16 recent
C
ROBBINS NEST RESIDENTIAL PARK
27 served1 historical record
A
WEST SLOPE WATER DISTRICT
11,000 served16 historical records1 recent
B
SMGV/WIDGI CREEK
300 served26 historical records8 recent
D
ROCKWOOD PUD
65,443 served61 historical records
A
MANNA HOUSE CHURCH
300 served194 historical records14 recent
C
MAYFAIR MOORAGE INC
30 served24 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)167 records
Consumer Confidence Rule58 records
Lead and Copper Rule55 records
Nitrate35 records
Arsenic31 records
Revised Total Coliform Rule31 records
Benzene29 records
Tetrachloroethylene24 records
Radium-22622 records
Gross Alpha22 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.