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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SISKIYOU CO. ROLLING HILLS MWC
CA4700528 · 300 served
SISKIYOU CO.SERVICE AREA #5/CARRICK
CA4700521 · 143 served
SISKIYOU COUNTY AIRPORT SO.
CA4700670 · 10 served
SISKIYOU COUNTY PUBLIC WORKS
CA4700681 · 0 served
SISKIYOU FOREST PRODUCTS
CA4500035 · 75 served
SISKIYOU LAKE HIGHLANDS MWC
CA4700880 · 549 served
SISKIYOU STOCKYARDS
CA4700842 · 0 served
SISQUOC
CA4200560 · 135 served
SISTERS OF THE PRESENTATION CENTER
CA4300801 · 80 served
SITE STORE
CA0600059 · 65 served
SIVANANDA YOGA FARM
CA2902258 · 29 served
SIX ACRES WATER COMPANY
CA4900608 · 66 served
SIX MILE STATION
CA5800200 · 40 served
SIX RIVERS LODGE
CA5305505 · 25 served
SIX RIVERS LODGE AND RESORT
CA5305106 · 50 served
SIX STAR TACKLE BOX TOO
CA2000852 · 35 served
SIX WAY WATER ASSOC - FSSUP
CA3600443 · 15 served
SIXMILEBRIDGE WINERY
CA4000838 · 25 served
SJ CO MOSQUITO & VECTOR CTRL*
CA3900740 · 25 served
SJ COUNTY-REDWOOD SCHOOL
CA3900978 · 83 served
SJ OAK GROVE REGIONAL PARK
CA3901140 · 1,000 served
SJC MICKE GROVE PARK
CA3900511 · 1,025 served
SJC MOSSDALE CROSSING PARK
CA3901419 · 25 served
SJC SPORTS COMPLEX
CA3901284 · 100 served
SJR DELTA HOUSING
CA2400204 · 20 served
SJR DELTA OFFICE
CA2400179 · 35 served
SJR ERRECA
CA2400174 · 16 served
SJRP COKE HALLOWELL CENTER
CA1000586 · 39 served
SJRP OWL HOLLOW
CA1000638 · 25 served
SJS U DEPT PHYSICAL PLANT SUP
CA4300710 · 460 served
SKATELAND
CA5800848 · 50 served
SKEET VARNER
CA1502087 · 80 served
SKF COUNTY SANITATION DISTRICT
CA1000374 · 29 served
SKI ISLAND/MARINERS POINT NRAS
CA4500039 · 2,260 served
SKI RUN APARTMENTS &
CA0900570 · 80 served
SKI RUN COTTAGES
CA0900628 · 25 served
SKI RUN MANAGEMENT COMPANY-INACTIVE
CA0900653 · 25 served
SKI WEST VILLAGE WATER SYSTEM
CA1502757 · 101 served
SKIPPERS COVE
CA2900534 · 215 served
SKP PARK OF THE SIERRAS INC
CA2000832 · 450 served
SKS ENTERPRISES
CA3901279 · 30 served
SKY ACRES MUTUAL WATER CORP
CA2000524 · 175 served
SKY FOREST MWC
CA3600258 · 492 served
SKY HIGH RANCH HOA
CA0500021 · 103 served
SKY MOUNTAIN OUTDOOR EDUCATION CENTER
CA3104457 · 100 served
SKY PARK PROPERTIES
CA1700685 · 25 served
SKY TERRACE MOBILE HOME PARK
CA1900664 · 130 served
SKY VIEW COUNTY WATER
CA5200562 · 412 served
SKYDIVE SAN JOAQUIN VALLEY
CA1503670 · 9 served
SKYLAKE YOSEMITE CAMP
CA2000562 · 280 served