Utilities in California
18,760 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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HOOKER OAK REC AREA
CA0442886 · 25 served
Hoopa Valley-Wide System
090605126 · 3,500 served
HOOT OWL CREEK/ALEX. VALLEY VINEYARDS JV
CA4901135 · 91 served
HOP KILN WINERY
CA4901348 · 150 served
HOPE ELEMENTARY SCHOOL
CA5400994 · 255 served
HOPE FOUNDATION/MORIAH HEIGHTS
CA0300062 · 299 served
HOPE RANCH
CA3302090 · 30 served
HOPE VALLEY CG
CA0202529 · 3,560 served
HOPE VALLEY RESORT
CA0202520 · 25 served
HOPETON SCHOOL
CA2400076 · 42 served
HOPLAND PUBLIC UTILITIES DISTR
CA2300526 · 480 served
HOPLAND PUBLIC UTILITY DISTRICT
CA2310010 · 1,076 served
Hopland Reservation Sho-Ka-Wah Casino
090600163 · 500 served
HORICON SCHOOL
CA4900680 · 100 served
HORIZON CHRISTIAN FELLOWSHIP
CA3901280 · 1,000 served
HORIZON CONTINUING HIGH SCHOOL
CA3301167 · 185 served
HORIZON LANE WATER SUPPLY
CA4000770 · 32 served
HORIZON MOBILE HOME PARK
CA1600005 · 335 served
HORIZON NUT LLC
CA5401033 · 300 served
HORN WS
CA2701142 · 25 served
HORNBROOK AG STATION
CA4700515 · 5 served
HORNBROOK C.S.D.
CA4700513 · 280 served
HORNBROOK ELEMENTARY SCHOOL
CA4700584 · 118 served
HORNE VINEYARDS
CA1700680 · 100 served
HORSE & PLOW TASTING ROOM
CA4901426 · 45 served
HORSE CREEK STORE
CA4700800 · 25 served
HORSE FLAT CAMPGROUND
CA5300083 · 73 served
HORSE MEADOW WORK CENTER
CA5403019 · 30 served
HORSE WORLD INC WATER SYSTEM
CA2708014 · 25 served
HORSESHOE BEND REC AREA
CA2200033 · 900 served
HORSESHOE CIRCLE WATER ASSOCIATION
CA2300607 · 24 served
HORSESHOE CLUB
CA3400241 · 25 served
HORSESHOE LAKE CAMPGROUND 2
CA2600602 · 100 served
HORSESHOE MEADOW CAMPGROUND
CA1400184 · 300 served
HORTON CREEK CAMPGROUND
CA1400532 · 25 served
HORTON WATER SUPPLY
CA4000667 · 28 served
HOSANNA HOMES - INACTIVE
CA0104014 · 0 served
HOSKING AVENUE SWAP MEET
CA1502008 · 32 served
HOSOKAWA BEPEX CORPORATION
CA4900882 · 151 served
HOSTLER CREEK WATER SYSTEM
CA1200574 · 10 served
HOT AUGUST NIGHTS
CA3901364 · 1,000 served
HOT CREEK HATCHERY
CA2600727 · 24 served
HOT CREEK RANCH
CA2600609 · 27 served
HOT ROCKS, INC
CA4901067 · 25 served
HOT SPRINGS SCHOOL
CA5402008 · 20 served
HOTEL CASINO MANAGEMENT
CA3200164 · 40 served
HOUGHTON-KEARNEY SCHOOL
CA1000206 · 252 served
HOUNDS TOOTH INN
CA2000890 · 36 served
HOUSE OF PRAYER
CA4000638 · 50 served
HOUSEBOAT MINI MART
CA5500266 · 27 served