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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SIERRA ARMY DEPOT
CA1810700 · 1,200 served
SIERRA ARMY DEPOT HERLONG
CA1810701 · 1,700 served
SIERRA BELLA MUTUAL WATER COMPANY
CA1500341 · 144 served
SIERRA BIBLE CAMP
CA3200018 · 200 served
SIERRA BREEZE MUTUAL WATER COMPANY
CA1500447 · 150 served
SIERRA BUSINESS PARK OWNER'S ASSOCIATION
CA2600700 · 25 served
SIERRA CASCADE NURSERY
CA1805005 · 55 served
SIERRA CEDARS COMMUNITY
CA1000073 · 455 served
SIERRA CEDARS CSD
CA1010052 · 850 served
SIERRA CHRISTIAN CAMP
CA5401099 · 136 served
SIERRA CHRISTIAN CHURCH
CA3200082 · 30 served
SIERRA CITY WATER WORKS, INC.
CA4600056 · 250 served
SIERRA CLUB
CA2900539 · 150 served
SIERRA CO. W.W.D #1 CALPINE
CA4600019 · 182 served
SIERRA COLLEGE
CA3100059 · 120 served
SIERRA CONSERVATION CENTER
CA0000112 · 1,500 served
SIERRA CONSERVATION CENTER
CA7300112 · 1,500 served
SIERRA CSA #5, SIERRA BROOKS
CA4600009 · 726 served
SIERRA EAST HOA
CA2600622 · 84 served
SIERRA ELEMENTARY SCHOOL
CA1000313 · 190 served
SIERRA ENDANGERED CAT HAVEN
CA1000525 · 32 served
SIERRA ENERGY #3
CA2900504 · 200 served
SIERRA ENTERPRISE ELEMENTARY SCHOOL
CA3400251 · 430 served
SIERRA ESTATES MUTUAL WATER COMPANY
CA2900548 · 100 served
SIERRA FAMILY MEDICAL CLINIC
CA2900330 · 125 served
SIERRA GABLES MOTEL
CA2600506 · 50 served
SIERRA GARDEN APARTMENTS
CA2201007 · 50 served
SIERRA GARDEN APARTMENTS
CA2210916 · 0 served
SIERRA GLEN MHP
CA5400551 · 10 served
SIERRA GLEN STORE
CA5401092 · 25 served
SIERRA GOLD NURSERIES
CA5103015 · 100 served
SIERRA GRANDE ESTATES MUTUAL WATER CO.
CA1400070 · 138 served
SIERRA HIGH SCHOOL
CA1000280 · 720 served
SIERRA HIGHLAND CSD
CA1400007 · 600 served
SIERRA HILTON
CA2600507 · 50 served
SIERRA INN
CA1000304 · 25 served
SIERRA INN
CA1900021 · 30 served
SIERRA KING HOMEOWNERS ASSN
CA5400940 · 260 served
SIERRA KNOLLS WINERY WATER SYSTEM
CA2901530 · 110 served
SIERRA LAKES CHRISTIAN MINISTRIES
CA5400924 · 62 served
SIERRA LAKES COUNTY WATER DIST
CA3110017 · 824 served
SIERRA LAND ASSOCIATES
CA4600010 · 40 served
SIERRA LINDA MUTUAL WATER CO
CA2000506 · 200 served
SIERRA LODGE/TRANQUILITY HOSPITALITY LLC
CA5400747 · 52 served
SIERRA LUTHERAN CHURCH
CA1000508 · 102 served
SIERRA MADRE-CITY, WATER DEPT.
CA1910148 · 11,000 served
SIERRA MASONIC WATER CO
CA5400916 · 45 served
SIERRA MEADOWS
CA1502564 · 68 served
SIERRA MEADOWS HOSPITAL
CA2000640 · 60 served
SIERRA MOBILE HOME PARK
CA1000252 · 0 served