Utilities in California
18,760 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
Is your public water system listed? Claim your free listing →
Claim Your Listing →Showing page 227 of 376 (18,760 systems)
OAK AVE ELEMENTARY SCHOOL
CA2702219 · 90 served
OAK AVENUE SCHOOL
CA2702068 · 250 served
OAK BOTTOM CG & WC
CA4700593 · 32 served
Oak Creek Campground
CA1400189 · 99 served
OAK CREEK GOLF CLUB
CA5200628 · 25 served
OAK CREEK INTERMEDIATE SCHOOL
CA2000614 · 190 served
OAK CREEK MOBILE HOME PARK
CA2000775 · 370 served
OAK CREST MANOR
CA1700681 · 50 served
OAK DELL PARK
CA4300603 · 104 served
OAK GLEN
CA7300303 · 100 served
OAK GLEN CONSERVATION CAMP
CA0000303 · 25 served
OAK GLEN DOMESTIC WATER
CA3600185 · 180 served
OAK GLEN RETREAT
CA3600133 · 576 served
OAK GLEN STEAK HOUSE
CA3601165 · 75 served
OAK GLEN YOUTH CONSERVATION
CA3301467 · 25 served
OAK GROVE COMPLEX
CA3700035 · 68 served
OAK GROVE HEAD START
CA4900701 · 30 served
OAK GROVE MOBILE HOME PARK
CA1900537 · 109 served
OAK GROVE MUTUAL WATER CO.
CA4200734 · 529 served
OAK GROVE SCHOOL
CA4900703 · 500 served
OAK GROVE SCHOOL DISTRICT OFFICE
CA4901175 · 36 served
OAK HAVEN ASSOCIATION
CA3301528 · 120 served
OAK HEIGHTS W & R CO INC
CA2700665 · 105 served
OAK HILL RANCH
CA4900997 · 25 served
OAK HILLS ESTATES
CA3301787 · 27 served
OAK HILLS WATER COMPANY
CA2701139 · 20 served
OAK KNOLL MUTUAL WATER COMPANY
CA1500422 · 19 served
OAK KNOLL PROFESSIONAL CTR
CA1000579 · 25 served
OAK KNOLL RANGER STATION
CA4700706 · 35 served
OAK KNOLL VILLAGE
CA3700276 · 66 served
OAK KNOLL WORK CENTER
CA4700705 · 25 served
OAK KNOLL WORK CENTER
CA4700617 · 25 served
OAK KNOLLS MUTUAL WATER COMPANY
CA1500465 · 123 served
OAK KNOLLS TRAILER PARK
CA1000435 · 25 served
OAK LAKE PARK
CA2800666 · 200 served
OAK MANOR WS
CA2700509 · 92 served
OAK PARK
CA2000523 · 150 served
OAK PARK
CA4900762 · 25 served
OAK PARK CHURCH OF NAZARENE
CA2000841 · 50 served
OAK PARK MANOR
CA4000687 · 25 served
OAK PARK WS
CA2700999 · 53 served
OAK PATCH GOLF COURSE
CA5400997 · 60 served
OAK RIDGE APARTMENTS
CA5800900 · 24 served
OAK RIDGE CENTER-PAUL HERMANN
CA3900734 · 80 served
OAK RIDGE RANCH
CA5500039 · 30 served
OAK RIDGE WINERY, LLC
CA3901197 · 50 served
OAK ROOM THE
CA2000743 · 65 served
OAK RUN ELEMENTARY SCHOOL
CA4500190 · 125 served
OAK SPRINGS VLY WC (CSA 70G)
CA3600186 · 840 served
OAK TRAIL ESTATES
CA4200881 · 211 served