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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SOUTH FORK VETERINARY SERV
WA5302648 · 36 served
SOUTH FOX ISLAND WATER SYSTEM
WA5315532 · 493 served
SOUTH HAVEN HEIGHTS
WA53AA147 · 2 served
SOUTH HEAD WATER ASSOC.
WA5361414 · 25 served
SOUTH HEAD WATER SYSTEM
WA5352001 · 46 served
SOUTH HILLS WATER USERS ASSN INC
WA5381851 · 135 served
SOUTH KEYPORT HEIGHTS
WA5381860 · 120 served
SOUTH KITSAP LITTLE LEAGUE
WA5381978 · 293 served
SOUTH LEWIS COUNTY REGIONAL PARK
WA5304421 · 303 served
SOUTH MANZANITA BEACH WATER ASSOCI
WA5312979 · 25 served
SOUTH MAXWELTON BEACH WATER SY
WA5315051 · 30 served
SOUTH OTHELLO WATER USERS
WA5382200 · 35 served
South Pebble Beach
WA5322727 · 11 served
SOUTH PRAIRIE TOWN OF
WA5382300 · 489 served
SOUTH SEATTLE SADDLE CLUB
WA5326406 · 16 served
SOUTH SEQUIM BAY RV PARK
WA5382350 · 1 served
SOUTH SHADY ACRES WATER
WA5313253 · 85 served
SOUTH SHORE DRIVE WATER SYSTEM
WA5308059 · 4 served
SOUTH SHORE SUMMER HOMES
WA5382380 · 25 served
SOUTH SHORE WATER CO
WA5382400 · 56 served
SOUTH SKOOKUM C.G.
WA53NP805 · 136 served
SOUTH SKOOKUM CAMPGROUND
WA53FS864 · 48 served
SOUTH SOUND SPEEDWAY
WA5308786 · 654 served
SOUTH TWIN RESORT
WA5382500 · 46 served
SOUTH UNION GRANGE 860
WA5306517 · 15 served
SOUTH VALLEY VIEW WATER ASSOCIATION
WA5321715 · 21 served
SOUTH WHIDBEY - LDS CHURCH
WA5311165 · 100 served
SOUTH WHIDBEY ASSEMBLY OF GOD
WA5364921 · 184 served
SOUTH WHIDBEY P&R SPORTS COMPLEX
WA5308426 · 78 served
SOUTH WHIDBEY PARKS & REC DISTRICT
WA5302660 · 178 served
SOUTH WHIDBEY PARKS AND REC
WA5303291 · 25 served
SOUTH WHIDBEY STATE PARK
WA53SP820 · 1,203 served
SOUTH WHITE SWAN
105300104 · 90 served
SOUTHCREEK #1
WA5325707 · 69 served
SOUTHEAST TACOMA MUTUAL WATER CO
WA5382800 · 10,850 served
Southend Water System
WA5301876 · 75 served
SOUTHGATE WATER COMPANY
WA5356344 · 175 served
SOUTHRIDGE ELM SCHOOL
WA5382842 · 343 served
SOUTHSIDE ELEMENTARY SCHOOL
WA5303270 · 260 served
SOUTHWOOD
WA5382844 · 64,155 served
SOUTHWORTH ELEMENTARY
WA5301252 · 550 served
SOUTHWORTH FERRY TERMINAL
WA5382843 · 4 served
SPALDINGS AUTO WRECKING
WA5382845 · 30 served
SPAN DELI
WA5382923 · 175 served
SPAN-A-PARK EAGLES
WA5364930 · 120 served
SPANAWAY 192ND 669
WA5315531 · 183 served
SPANAWAY AIRPORT
WA5382847 · 28 served
SPANAWAY ASSEMBLY OF GOD
WA5382848 · 255 served
SPANAWAY ONE ACRE RANCHETTES
WA5302771 · 59 served
SPANAWAY VILLAGE WATER SYSTEM
WA5322916 · 125 served