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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HKN LLC
CA4300783 · 50 served
HLM MUTUAL WATER CO
CA3600755 · 28 served
HMC GROUP COLD STORAGE
CA1000440 · 580 served
HMC-HOOPA
CA1200725 · 75 served
HOAGLIN-ZENIA SCHOOL
CA5305501 · 13 served
HOBART CREEK CAMPGROUND
CA5305005 · 0 served
HOBART MILLS
CA2900506 · 25 served
HOBART WORK CENTER
CA2900555 · 25 served
HOBERGS RESORT
CA1700668 · 125 served
HODGE BROTHERS DAIRY
CA3700783 · 65 served
HODGES RESERVOIR RECREATION AREA
CA3700847 · 200 served
HODGES WATER CO
CA5400681 · 35 served
HOEL, MRS
CA4900777 · 3 served
HOFFMAN CONSTRUCTION OF CA/WATER SYSTEM
CA5000476 · 30 served
HOFFMAN FARMS #4
CA5400831 · 25 served
HOG HEAVEN RESORT
CA0800639 · 40 served
HOG ISLAND OYSTER CO.
CA2100581 · 172 served
HOG PEN SPRINGS CAMPGROUND
CA4200407 · 25 served
HOGAN MANUFACTURING CO - INACTIVE
CA3901236 · 25 served
HOGAN S LAST STOP
CA0500073 · 25 served
HOGBACK ISLAND FISHING ACCESS
CA3400299 · 25 served
HOHAPE MUTUAL WATER COMPANY
CA1700572 · 0 served
HOLCOMB VALLEY RANCH
CA3600589 · 250 served
HOLDEN'S MOBILE HOME PARK
CA4600016 · 80 served
HOLDGRAFER & ASSOCIATES
CA4000730 · 30 served
Hole In the Ground CG, Lassen NF
CA5200644 · 26 served
HOLE-IN-THE-WALL VOLKSWAGEN
CA3301321 · 25 served
HOLE-IN-THE-WALL-CAMPGROUND
CA3601091 · 25 served
HOLIDAY HARBOR INC
CA4500113 · 232 served
HOLIDAY HARBOR MARINA
CA3901360 · 100 served
HOLIDAY INN EXPRESS
CA2300865 · 25 served
HOLIDAY MOBILE VILLAGE
CA3400335 · 200 served
HOLIDAY MOTEL
CA4900775 · 25 served
HOLIDAY SHOPS
CA2000816 · 100 served
HOLIDAY SHOPS
CA2000576 · 10 served
HOLIDAY VILLAGE PARK
CA2300702 · 25 served
HOLLAND BURGER CAFE
CA3601108 · 100 served
HOLLAND FARM LABOR ASSOCIATION
CA5700520 · 80 served
HOLLAND HEIGHTS MUTUAL WATER COMPANY
CA4900548 · 300 served
HOLLAND HULLING COMPANY
CA1000317 · 58 served
HOLLAND MARKET
CA5700521 · 33 served
HOLLAND PARK WEST
CA1000557 · 200 served
HOLLAND RIVERSIDE MARINA
CA0706034 · 45 served
HOLLIDAY ROCK PLANT #2
CA1503537 · 33 served
HOLLISTER HILLS MOTORCYCLE PAR
CA3500534 · 500 served
HOLLISTER HILLS SVRA-HDQ WELL
CA3510304 · 25 served
HOLLISTER HILLS-LODGE WELL
CA3510305 · 164 served
HOLLISTER HILLS-SHEEP SPRINGS
CA3510303 · 1,200 served
HOLLISTER RANCH ESTATES
CA3500904 · 150 served
HOLLISTER SDA CHRISTIAN SCHOOL
CA3510011 · 122 served