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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ODD FELLOWS RECREATION CLUB
CA4910026 · 757 served
ODEN FLAT WATER SYSTEM
CA5304510 · 24 served
ODETTE ESTATE WATER SYSTEM
CA2803697 · 25 served
ODIYAN BUDDHIST RETREAT CENTER
CA4901314 · 35 served
ODLUM PROPERTIES INC
CA3301472 · 40 served
ODOMS SERVICE STATION
CA3600565 · 25 served
OFFINGA DAIRY
CA3301919 · 25 served
OFFSTREET STUDIOS
CA2300954 · 25 served
OG INVESTMENTS, LLC
CA3600149 · 30 served
OID - OAKDALE RURAL WATER SYSTEM #2
CA5000445 · 241 served
OID #22 - WILLIAMS TRACT
CA5000015 · 150 served
OID #41 - MOUNTAIN VIEW
CA5000016 · 147 served
OID #45
CA5000013 · 144 served
OID #46 - SUNSET OAKS
CA5000014 · 269 served
OID #49 - GILBERT
CA5000092 · 40 served
OID #51 - SUNSET OAKS #10
CA5000317 · 287 served
OID #52 - DEO GLORIA
CA5000355 · 157 served
OID-OAKDALE RURAL WATER SYSTEM #1
CA5000433 · 1,570 served
OILDALE MWC
CA1510015 · 44,899 served
OJAI WATER SYSTEM
CA5610014 · 6,801 served
OK 99 HWY SWAP MEET
CA1502474 · 500 served
OK CORRAL
CA0300043 · 25 served
OK CORRAL
CA4500123 · 25 served
OKAMOTO NURSERY
CA2700847 · 25 served
OKE WATER COMPANY
CA5400649 · 21 served
OKI NURSERY INC
CA3400291 · 90 served
OKI NURSERY INC
CA3400292 · 175 served
OKIEVILLE HIGHLAND ACRES MWC
CA5403217 · 300 served
OKIZU FOUNDATION
CA0500108 · 165 served
OKU INCORPORATED
CA4100540 · 35 served
OL NIP OUTLAW STEAKHOUSE
CA2000822 · 26 served
OL' BUCKAROO
CA5403200 · 25 served
OL' FARM HOUSE
CA3400449 · 30 served
OLAM SPICES AND VEGETABLE INGREDIENTS
CA0600061 · 120 served
OLAM SPICES AND VEGETABLES INC
CA1600296 · 75 served
OLAM SPICES AND VEGETABLES, INC.
CA1009091 · 325 served
OLANCHA ELEMENTARY SCHOOL
CA1400042 · 99 served
OLANCHA MOBIL MART
CA1410010 · 75 served
OLANCHA RV AND MHP
CA1400040 · 39 served
OLD ADOBE SCHOOL
CA4900713 · 100 served
OLD BARN TECH CENTER
CA2000371 · 26 served
OLD BORGES RANCH WATER SYS
CA0707639 · 75 served
Old Campo
090600057 · 102 served
OLD COACH STOP
CA2000632 · 25 served
OLD CORNER BAR & GRILL
CA5000199 · 26 served
OLD CORRAL CAFE
CA1502202 · 40 served
OLD EUCALYPTUS SCHOOLHOUSE
CA1300655 · 200 served
OLD FIREHOUSE BBQ & DELI
CA3901380 · 26 served
OLD GERMAN BAPTIST CHURCH
CA5000441 · 175 served
OLD GILROY SERVICE STATION
CA4301002 · 50 served