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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ROLLINS LAKE RESORT, LONG RAVINE
CA3103283 · 161 served
ROLLINS LAKESIDE RESORT
CA2900547 · 35 served
ROMA'S PIZZERIA
CA3400458 · 100 served
ROMALDO COMMUNITY WATER CO
CA4200668 · 20 served
ROMBAUER SIERRA FOOTHILLS
CA0300101 · 44 served
ROMBAUER VINEYARDS
CA2801033 · 150 served
RON BARNES
CA0600023 · 25 served
RONALD HISER
CA2200050 · 200 served
RONALD J HERRING
CA4900837 · 200 served
RONALD LAKEMAN
CA5400862 · 190 served
RONALD N NUNES
CA2700805 · 56 served
RONALD NUNN
CA0706021 · 80 served
RONALD SHELDON
CA5400593 · 45 served
ROONEY BROS INC
CA3400311 · 20 served
ROOSEVELT ELEMENTARY SCHOOL
CA1000208 · 580 served
ROOSEVELT WATER SYSTEM
CA0800510 · 0 served
ROOSTER'S LANDING
CA4500143 · 54 served
ROP CENTER
CA2000845 · 150 served
ROP CENTER
CA2000756 · 9,000,000 served
ROPE & ANCHOR BAR
CA5000321 · 25 served
ROQUE'S RESTRURANT WATER SYS
CA1800635 · 25 served
ROSA MORADA MUTUAL WATER COMPANY
CA3500549 · 138 served
ROSAMOND CSD
CA1510018 · 17,711 served
ROSAMOND MOBILEHOME PARK
CA1502232 · 175 served
ROSAMOND SCHOOL WATER SYSTEM
CA1502231 · 940 served
ROSARIO PARK
CA4200579 · 38 served
ROSE HILLS MEMORIAL PARK
CA1908002 · 26 served
ROSE MARIE GAITON
CA4900816 · 25 served
ROSE MARTINEZ
CA3900952 · 12 served
ROSE ORCHARD CORP
CA5700505 · 94 served
ROSE VALLEY CAMP
CA5601714 · 25 served
ROSE VALLEY GROUP INC
CA5700565 · 25 served
ROSE VILLA APARTMENTS
CA1500426 · 65 served
ROSEBURG LUMBER CO MILL3/OFFIC
CA4500233 · 22 served
ROSEBURG LUMBER CO. MILL #4
CA4500189 · 89 served
ROSECREST MUTUAL
CA3100538 · 31 served
ROSEDALE CHRISTIAN CENTER
CA1502486 · 100 served
ROSEDALE MENNONITE
CA1502364 · 300 served
ROSEDALE NORTH UNION SCHOOL
CA1502448 · 200 served
ROSEDALE UNION SCHOOL
CA1502233 · 250 served
ROSEHART INDUSTRIAL PARK WS
CA2702121 · 28 served
ROSELAND MOBILE HOME PARK
CA4900675 · 130 served
ROSELAWN HIGH SCHOOL
CA5000116 · 0 served
ROSEMARY FARMS WATER SYSTEM
CA4200852 · 150 served
ROSEVIEW HEIGHTS MUTUAL WATER COMPANY
CA4300562 · 148 served
ROSS CORNER
CA1300563 · 25 served
ROSS HONEY
CA1900681 · 25 served
ROSS SNYDER
CA5300118 · 30 served
ROSS WELL
CA3301586 · 30 served
ROSSETTIS INN
CA0500048 · 150 served