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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DUCK ISLAND RV PARK
CA3400374 · 110 served
DUCKHORN VINEYARDS
CA2800024 · 25 served
DUCOMMUN AEROSTRUCTURES
CA3601132 · 0 served
DUCOR CSD
CA5400542 · 616 served
DUDLEY YOUNG
CA0707537 · 25 served
DUDLEY'S BAKERY
CA3701983 · 100 served
DUDLEY'S BAKERY INC
CA3702473 · 150 served
DUFFY'S NAPA VALLEY REHAB
CA2800587 · 100 served
DULCICH & PROSPER WATER SYSTEM
CA5400522 · 15 served
DUNCANS MILLS CAMPING CLUB
CA4901060 · 127 served
DUNCANS MILLS TRADING COMPANY
CA4900847 · 45 served
DUNE 3 MUTUAL WATER COMPANY, LLC
CA1502690 · 119 served
DUNE PALMS MOBILE ESTATES
CA3301225 · 350 served
DUNER'S DINER
CA1300656 · 30 served
DUNHAM SCHOOL
CA4900739 · 175 served
DUNHAMS
CA3600618 · 25 served
DUNKARD BRETHREN CHURCH
CA5000472 · 125 served
DUNLAP K-8 SCHOOL
CA1000184 · 463 served
DUNLAP LEADERSHIP ACADEMY
CA1000577 · 41 served
DUNLAP VALLEY LAKES R V PARK
CA1000414 · 25 served
DUNNEVILLE MARKET & KITCHEN
CA3500539 · 300 served
DUNNEVILLE ESTATES CSA #50
CA3500910 · 120 served
DUNNIGAN CHEVRON
CA5700751 · 205 served
DUNNIGAN HILLS RANCH
CA5700667 · 25 served
DUNNIGAN STATION - WATER
CA5700560 · 50 served
DUNROVIN MOBILE HOME VILLAGE
CA0500068 · 99 served
DUNSMUIR HIGH SCHOOL
CA4700823 · 80 served
DUNSMUIR, CITY OF
CA4710002 · 1,707 served
DUPLICATE - SEE FA0001586
CA3400265 · 25 served
DURAN RANCH
CA3301880 · 25 served
DURANGO'S/OWNER: LEONARDO LOPEZ
CA5000139 · 26 served
DURARTE'S WATER SYSTEM
CA4100508 · 34 served
DURHAM DAYTON INDUSTRIAL PARTNERS-PRO PA
CA0400140 · 102 served
DURHAM FERRY COMMUNITY SCHOOL
CA3901424 · 31 served
DURHAM FERRY PARK
CA3901314 · 100 served
DURHAM IRRIGATION DISTRICT
CA0410003 · 1,581 served
DURHAM PARK
CA0400135 · 50 served
DURHAM UNIFIED SCHOOL DISTRICT
CA0400066 · 1,200 served
DURNEY VINEYARDS WATER SYSTEM
CA2701957 · 25 served
Duro Mobile Home Park (Desert)
090605159 · 25 served
Duro Water System
090605168 · 35 served
DUSCHO WATER
CA4900614 · 20 served
DUTCH FLAT MUTUAL
CA3100058 · 350 served
DUTCH FLAT MUTUAL WATER COMPAN
CA3100519 · 90 served
DUTCH SLOUGH WATER WORKS
CA0707519 · 49 served
DUTCHER CREEK VILLAGE
CA4901242 · 28 served
DUTCHER CROSSING WINERY
CA4901464 · 40 served
DUTTON FARMWORKER HOUSING
CA4901471 · 38 served
DUTTON RANCH CORPORATION
CA4901384 · 75 served
DWAINE'S STEAK HOUSE
CA2700978 · 50 served