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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MARIPOSA PUBLIC UTILITY DIST
CA2210001 · 2,000 served
MARIPOSA UNIFIED SCHOOL DIST
CA2208031 · 200 served
MARIPOSA USD - JESSE B. FREMONT SCHOOL
CA2210935 · 0 served
MARJORIE STREET APTS.
CA0900670 · 25 served
MARK & DEBORAH REISBECK
CA1700683 · 0 served
MARK GREENLEAF
CA5300015 · 35 served
MARK HARTMAN
CA5300080 · 45 served
MARK S FUEL STOP - INACTIVE
CA5400818 · 100 served
MARK TWAIN COURT
CA4900782 · 1 served
MARK TWAIN MOTEL
CA0900548 · 25 served
MARK TWAIN SCHOOL
CA5000315 · 25 served
MARK WEST ACRES MWC
CA4900605 · 61 served
MARK WEST ESTATES
CA4900800 · 60 served
MARK WEST LODGE EVENT CENTER
CA4900996 · 200 served
MARK WEST MEADOWS MUTUAL WATER
CA4900905 · 20 served
MARK WEST NEIGHBORHOOD CHURCH
CA4901311 · 60 served
MARK WEST SCHOOL
CA4900866 · 200 served
MARK WEST SCHOOL
CA4901048 · 50 served
MARKHAM VINEYARDS
CA2800110 · 25 served
MARKLEEVILLE WATER CO.
CA0202504 · 175 served
MARKLEY CORPORATION
CA4800644 · 1 served
MARKLEY COVE RESORT
CA2800585 · 75 served
MARKO ZANINOVICH, INC. - POND ROAD
CA1503374 · 100 served
MARKOVITS AND FOX
CA4300732 · 130 served
MARLOWE PROPERTY
CA3900982 · 50 served
MARQUEZ RENTAL
CA2000800 · 50 served
MARS HARBOR
CA0706017 · 35 served
MARSHALL BOAT WORKS
CA2100578 · 50 served
MARSHALL LEHR - INACTIVE
CA3901288 · 25 served
MARSHALL TAVERN
CA2100528 · 25 served
MART FUEL STOP
CA5403000 · 50 served
MARTELLA LIVESTOCK MARKET, INC.
CA5403086 · 24 served
MARTHA'S WATER SYSTEM
CA3702253 · 50 served
MARTIAN RANCH & VINEYARD
CA4200968 · 35 served
MARTIN AND SHIRLEY'S STORE
CA1200678 · 4 served
MARTIN MARIETTA SOUTHERN CALIF AGGREGATE
CA1900018 · 60 served
MARTIN S MEAT PROCESSING
CA1600289 · 200 served
MARTIN'S DAIRY CAMPGROUND, KLAMATH N.F.
CA4700596 · 15 served
MARTIN'S METAL FABRICATION
CA4810029 · 30 served
MARTIN'S MOBILE HOME COURT
CA5000061 · 60 served
MARTIN'S TRAILER PARK 1
CA2600542 · 50 served
MARTINELLI RANCH
CA4901093 · 63 served
MARTINES ROAD WATER SYSTEM #1
CA2700643 · 32 served
MARTINEZ APARTMENTS
CA3900751 · 26 served
MARTINEZ/SIERRA HIGHWAY SHELL STATION
CA1900034 · 25 served
MARTINIS BAIT & TACKLE
CA3900767 · 1,000 served
MARTINS BEACH WATER SYSTEM
CA4100515 · 49 served
MARTIS CREEK-US ARMY CORPS OF ENGINEERS
CA2900585 · 322 served
MARTY'S INN WATER SYSTEM
CA5000386 · 25 served
MARVIN E SULLIVAN
CA1700583 · 39 served