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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HACIENDA FAMILY RESTAURANT
CA1800555 · 100 served
HACIENDA GUANA - INACTIVE
CA3900970 · 50 served
HACIENDA HEIGHTS
CA1000046 · 72 served
Hacienda MHP
CA3600390 · 235 served
HACIENDA RIVIERA BATHS
CA3301296 · 25 served
HACIENDA TRAILER PARK
CA1900713 · 80 served
HACIENDA VASQUEZ MOBILE HOME PARK
CA1900066 · 100 served
HACIENDA WATER COMPANY
CA4900531 · 0 served
HACKNEY SPRING WATER CO
CA2000566 · 230 served
HADLEY DATE GARDENS
CA3301297 · 50 served
HAEHL STREET WATER SYSTEM
CA2300733 · 587 served
HAFEN APARTMENTS
CA3301675 · 0 served
HAFOKA ELECTRIC INC
CA3901415 · 25 served
HAGAFEN CELLARS
CA2800025 · 25 served
HAGAMAN COUNTY PARK
CA2400089 · 280 served
HAGGIN OAKS GOLF COURSE (SWS)
CA3400281 · 1,000 served
HAIL MOTEL/FRANKIE'S CAFE
CA1800333 · 35 served
HAILWOOD INC WATER SYSTEM NO. 8-INACTIVE
CA5602508 · 30 served
HAKAM MISSON
CA5000316 · 0 served
HAL BIGGERS, PRIN
CA5300044 · 86 served
HALCYON WATER SYSTEM
CA4000501 · 110 served
HALDOR PLACE MWC
CA3000566 · 0 served
HALEY'S TRAILER PARK
CA3700119 · 225 served
HALF MOON BAY SP SERVICE AREA
CA4110303 · 25 served
HALF MOON BAY STATE BEACH
CA4110301 · 2,739 served
HALF MOON CAMP
CA1000463 · 50 served
HALF MOON FRUIT PRODUCE
CA5700654 · 40 served
HALF WAY STATION CAFE
CA5601601 · 100 served
HALFWAY HOUSE CAFE
CA1900715 · 112 served
HALFWAY STATION
CA4000747 · 25 served
HALL OF RECORDS WELL
CA3301558 · 25 served
HALLELUJAH JUNCTION MARKET
CA1800363 · 25 served
HALLELUJAH PRAYER CENTER
CA1900639 · 150 served
HALLIBURTON ENERGY SERVICES
CA1503347 · 265 served
Halloran Springs Mobile
CA3600115 · 25 served
HALLWOOD FRUIT COMPANY
CA5800910 · 35 served
HALSEY WATER SUPPLY
CA0600036 · 25 served
HALTER RANCH
CA4000861 · 39 served
HAM'S STATION
CA0300025 · 28 served
HAMBLIN MUTUAL WATER CO
CA1600504 · 80 served
Hamburg Ranch-CLOSED
CA2400087 · 75 served
HAMEL FAMILY WINES
CA4901405 · 35 served
HAMILTON BRANCH CSD
CA3210010 · 1,874 served
HAMILTON BRANCH MWC
CA3200150 · 250 served
HAMILTON HIGH SCHOOL
CA1100533 · 0 served
HAMILTON SCHOOL
CA3301309 · 705 served
HAMILTON STREET PARK
CA3400359 · 100 served
HAMILTON, HECHTMAN & JONGENEEL
CA4800653 · 3 served
HAMILTON, HECHTMAN AND JONGENE
CA4800654 · 19 served
HAMLET MOTEL
CA5000213 · 26 served