Utilities in Washington
9,956 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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NOYES, ELDON #2
WA5307422 · 10 served
NU ERA
WA5362475 · 27 served
NUERA
WA5315807 · 30 served
NUGENTS CORNER MARKET
WA5319570 · 100 served
Nutrien US LLC - Kennewick Area
WA5312690 · 80 served
NW CHRISTIAN HIGH SCHOOL
WA5305463 · 300 served
NW College of Art & Design
WA53AC270 · 135 served
NWEBSTER WATER SYSTEM
WA53AA156 · 5 served
O-ZI-YA Community Club
WA5362640 · 120 served
O'CONNER LONG PLAT WATER SYSTEM
WA5307898 · 17 served
OAK DUPLEXES
WA5362645 · 40 served
OAK HARBOR CITY OF
WA5362650 · 23,767 served
OAK HARBOR STORAGE FACILITY
WA5307770 · 3 served
OAK HOLLOW WATER SYSTEM
WA5333507 · 192 served
OAK MEADOWS MOBILE HOME PARK
WA5325101 · 216 served
OAK PARK
WA5362675 · 695 served
OAKBERG PARK WS
WA5307932 · 33 served
OAKCREST
WA5362690 · 198 served
OAKDALE 2
WA5307812 · 20 served
OAKDALE 3
WA5307785 · 4 served
OAKDALE 4
WA5307786 · 4 served
OAKDELL FARMS LLC
WA5362695 · 47 served
OAKESDALE TOWN OF
WA5362700 · 492 served
OAKS MOBILE PARK
WA5333201 · 406 served
OAKS THE MOBILE HOME PARK
WA5387780 · 143 served
OAKVILLE CITY OF
WA5362750 · 1,325 served
OAKWEST GLEN
WA5300661 · 210 served
OALC Davenport
WA53AE340 · 300 served
OASIS WATER CO INC
WA5362800 · 50 served
OASIS WATER CORPORATION
WA5319069 · 556 served
OBERBAYERN
WA5308150 · 10 served
OBERFRANKEN WATER SYSTEM
WA5308078 · 10 served
OBRADYS DRIVE INN
WA5362820 · 72 served
OBSTRUCTION ISLAND COMMUNITY CLUB
WA5300270 · 42 served
OBSTRUCTION PASS
WA5362840 · 25 served
OCEAN ACRES INCORPORATED
WA5362846 · 25 served
OCEAN BAY MOBILE & RV PARK
WA5337320 · 14 served
OCEAN BEACH HIWAY SPRING
WA5362850 · 25 served
OCEAN BREEZE RESORT
WA5300752 · 687 served
Ocean City
WA5301088 · 237 served
OCEAN CITY APPROACH STATE PARK
WA53SP605 · 300 served
OCEAN CITY CAMPGROUND
WA5363017 · 41 served
OCEAN CITY MOTEL
WA5362870 · 4 served
OCEAN CITY RV PARK
WA5362891 · 19 served
OCEAN CITY SCHOOL
WA5362878 · 79 served
OCEAN CITY STATE PARK
WA53SP600 · 2,478 served
OCEAN CITY TAVERN
WA5362886 · 2 served
OCEAN CITY WATER WORKS
WA5362900 · 46 served
OCEAN CREST RESORT
WA5362915 · 96 served
OCEAN MARKET & GAS
WA5345623 · 28 served