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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OLD ORCHARD ESTATES WATER SYSTEM
WA5307748 · 86 served
OLD SETTLERS WATER ASSOCIATION
WA5363350 · 540 served
OLD STATE WATER WORKS
WA5302569 · 41 served
OLD TAHOMA JR HIGH SCHOOL
WA5387070 · 100 served
OLD TRAILS COUNTRY ESTATES
WA5351896 · 45 served
OLD YODELIN LODGE
WA5363380 · 28 served
OLERIN WATER SYSTEM
WA53AB022 · 38 served
OLGA WATER USERS INC
WA5363400 · 392 served
OLIVER WELL
WA5308267 · 12 served
OLMAN POINT TRACTS CLUB
WA5363410 · 64 served
OLMSTEAD PLACE STATE PARK
WA53SP615 · 93 served
Olsen Road North FWH
WA53AD853 · 96 served
Olsen Road South FWH
WA53AD852 · 96 served
OLSON SCOTT COMMUNITY WELL
WA5308336 · 9 served
OLSON THOMAS WATER
WA5307916 · 12 served
OLTJENBRUNS - 1
WA53AA225 · 9 served
OLYMPIA AIRPORT
WA5363446 · 35 served
OLYMPIA ARTESIAN WELL CITY OF
WA5303684 · 200 served
OLYMPIA BIBLE
WA53AB289 · 75 served
OLYMPIA CAMPGROUND
WA5337329 · 130 served
OLYMPIA CITY OF
WA5363450 · 126,966 served
OLYMPIA COMMUNITY SCHOOL TESC
WA5326856 · 27 served
OLYMPIA FORESTRY SCIENCES LAB
WA5325980 · 40 served
OLYMPIA FROSTED FOODS
WA5363467 · 25 served
OLYMPIA FUEL & ASPHALT, INC.
WA5300990 · 30 served
OLYMPIA OYSTER CO
WA5363475 · 46 served
OLYMPIA SAND & GRAVEL WELL #1
WA5309951 · 32 served
OLYMPIA SUBSTATION
WA53BP460 · 36 served
OLYMPIA WALDORF SCHOOL
WA5304611 · 162 served
OLYMPIC CIRCLE
WA5363478 · 55 served
OLYMPIC CORRECTIONS CENTER
WA5313560 · 390 served
OLYMPIC LUTHERHAVEN #2 LODGE
WA53AB012 · 60 served
OLYMPIC LUTHERHAVEN INC WS
WA5348938 · 24 served
OLYMPIC MALL
WA5363479 · 2,681 served
OLYMPIC MARINE VIEW WATER ASSOC
WA5363480 · 89 served
OLYMPIC MOBILE VILLAGE
WA5320514 · 128 served
OLYMPIC MOUNTAIN ICE CREAM
WA5307809 · 66 served
Olympic Orchards Well #1
WA53AD424 · 57 served
OLYMPIC PARK TRAILER COURT
105300086 · 169 served
OLYMPIC SPRINGS INC
WA5303394 · 1,500 served
OLYMPIC STRUCTURES
WA5302826 · 30 served
OLYMPIC SUNSET VISTA
WA5363495 · 180 served
OLYMPIC SUNSET WEST
WA5363494 · 410 served
OLYMPIC TERRACE
WA5363496 · 120 served
OLYMPIC TRAILER PARK
WA5300335 · 362 served
OLYMPIC TRAILS WATER SUPPLY
WA5363448 · 44 served
OLYMPIC UNITARIAN UNIVERSALIST
WA5308468 · 22 served
OLYMPIC VIEW
WA5305151 · 33 served
OLYMPIC VIEW
WA5311314 · 21 served
OLYMPIC VIEW
WA5363500 · 80 served