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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HOUSTON AVE COMPLEX
CA5400847 · 804 served
HOUSTON AVE WATER ASSOCIATION
CA3000767 · 0 served
HOUSTON SCHOOL
CA5400841 · 451 served
HOWARD & LINDA MORRIS
CA5300106 · 25 served
HOWARD DRYER COMPANY
CA5100154 · 22 served
HOWARD ELEMENTARY SCHOOL
CA2000600 · 618 served
HOWARD HOT SPRINGS
CA1700523 · 231 served
HOWARD MILL ADM SITE
CA1700636 · 40 served
HOWARD TRAINING CENTER
CA5000093 · 130 served
HOWARD WILSON
CA2300560 · 60 served
HOWARDS CHEVRON
CA4800629 · 15 served
HOWDEN FLUID SYSTEMS
CA4200737 · 25 served
HOWELL MOUNTAIN MUTUAL WATER COMPANY
CA2810001 · 1,240 served
HOWELL MOUNTAIN SCHOOL
CA2800970 · 100 served
HOWELL MOUNTAIN SCHOOL
CA2801018 · 170 served
HOWELL MT RD HI-WAY SPRING
CA2800684 · 20 served
HOWELL'S LAKESIDE WATER CO.
CA5200007 · 75 served
HOWLING WOLF LODGE
CA2300632 · 50 served
Howonquet Community(Smith River)
090605060 · 220 served
HRC C.S.D.
CA0800556 · 185 served
HRDLICKA
CA2000575 · 15 served
HRSP-ALBEE CREEK CAMPGROUND
CA1210325 · 0 served
HRSP-CUENO CREEK CAMPGROUND
CA1210310 · 60 served
HRSP-FEDERATION GROVE
CA1210311 · 0 served
HUBERT L HEIPE, OWNER
CA2200022 · 30 served
HUCKLEBERRY MUTUAL WATER COMPANY
CA4900634 · 45 served
HUCKLEBERRY WATER DEVELOPMENT
CA1000050 · 56 served
HUDSON RANCH POWER I LLC
CA1300679 · 39 served
HUDSON VINEYARDS WINERY WATER SYSTEM
CA2800063 · 40 served
HUEBERT FARMS
CA1000663 · 60 served
HUERHUERO RANCH MUTUAL WATER COMPANY
CA4000827 · 25 served
HUGHES ROAD MUTUAL WATER CO
CA4400609 · 28 served
HUGHES-ELIZABETH LAKE UNIFIED SCHOOL DIS
CA1900886 · 550 served
HUGHSON CHRISTIAN SCHOOL
CA5000281 · 65 served
HUGHSON HIGH SCHOOL
CA5000119 · 685 served
HUGHSON NUT #2
CA5000554 · 3 served
HUGHSON NUT COMPANY WATER SYSTEM
CA5000470 · 80 served
HUGHSON NUT INC. - LIVINGSTON
CA2400162 · 146 served
HUGHSON UNION SD - HUGHSON ELEMENTARY SC
CA5000127 · 500 served
HUGHSON, CITY OF
CA5010008 · 7,481 served
HUHTAMAKI COMPANY
CA3400350 · 250 served
HULL CREEK CAMPGROUND
CA5500185 · 55 served
HUMANE SOCIETY OF SONOMA COUNTY
CA4901244 · 37 served
HUMBOLDT BAY MWD
CA1210013 · 680 served
HUMBOLDT BAY POWER PLANT
CA1200722 · 72 served
HUMBOLDT C.S.D.
CA1210009 · 19,807 served
HUMBOLDT CO PARK - TOOBY
CA1200611 · 100 served
HUMBOLDT CREAMERY
CA1206016 · 100 served
HUMBOLDT ECOLOGY CENTER
CA0000604 · 60 served
HUMBOLDT FIRE CENTER
CA7300604 · 60 served