Browse Water Systems

20,012 public water systems in CA.

Public Water Systems Database

Browse 20,012 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
DELTA MOBILE HOME PK & APT MS0420020 California Community 230
FOOTHILL HORIZONS CA5500109 California Transient Non-Community 230
MADERA CO SA02-WISHON COVE CA2000542 California Transient Non-Community 230
Yocha Dehe Community Area 090605155 California Community 230
FAMOSO FUEL STOP CA1502826 California Transient Non-Community 230
SAN JOSE FAMILY CAMP CA5500145 California Transient Non-Community 230
FIRST MACE MEADOWS UNIT NO. 2 CA0310018 California Community 230
MOUNTAIN VIEW MHC LLC CA0400036 California Community 230
NORD COUNTRY SCHOOL CA0400073 California Non-Transient Non-Community 230
CAPAY JOINT UNION ELEM. SCHOOL CA1100527 California Non-Transient Non-Community 230
JOHNSTONVILLE ELEMENTARY SCHOOL CA1800574 California Non-Transient Non-Community 230
TULARE COUNTY WTR TRCT 344,380 CA5400905 California Community 230
Table Bluff (New) Reservation 090605124 California Community 230
DFW GOLDEN HEIGHTS BUSINESS PARK TX2200381 California Non-Transient Non-Community 229
DOT MHP CO0119501 California Community 229
USFS FRASER FLAT CAMPGD CA5500186 California Transient Non-Community 228
MOUNTAIN RANCH KITCHEN, THE CA0500024 California Transient Non-Community 228
CINNABAR ELEMENTARY SCHOOL CA4900716 California Non-Transient Non-Community 228
PADUA HILLS WATER SERVICE CA1900640 California Community 228
LUCERNE VALLEY MWC CA3600156 California Community 228
PIONEER ELEMENTARY SCHOOL CA0900111 California Non-Transient Non-Community 227
SPRECKELS RD WS #04 CA2702784 California Non-Transient Non-Community 227
TALMADGE OAKS MOBILE HOME PARK GA1790087 California Community 226
CWS-SPLIT MOUNTAIN WATER SYSTEM CA1500407 California Community 226
TERRY SCHOOL CA1000198 California Non-Transient Non-Community 226
UNDER CANVAS-YOSEMITE CA5500372 California Non-Transient Non-Community 226
SIERRA PINES CAMP CA0900651 California Transient Non-Community 226
THREE RIVERS VILLAGE CA5400838 California Non-Transient Non-Community 225
MAMMOTH POOL CAMPGROUND CA2000518 California Transient Non-Community 225
U.S. FOREST SERVICE CA5300035 California Transient Non-Community 225
U.S. FOREST SERVICE CA5300037 California Transient Non-Community 225
WOODBRIDGE WEST CA3900723 California Community 225
CIRCLE J RANCH CA3701890 California Transient Non-Community 225
AHA QUIN TRAILER PARK CA3301006 California Community 225
BENZIGER FAMILY WINERY CA4901204 California Non-Transient Non-Community 225
JERRY GILLIAM CA1900048 California Transient Non-Community 225
STATE PARK SERVICE CA1200593 California Transient Non-Community 225
Z & M TRUCKSTOPS CA1100417 California Transient Non-Community 225
EL TORERO RESTAURANT CA0500069 California Transient Non-Community 225
LIBERTY SCHOOL CA4900714 California Non-Transient Non-Community 225
TAMARRON MOBILE HOME PARK CA5500193 California Community 225
I-5 AND HWY 198 REST AREA CA1000178 California Non-Transient Non-Community 225
LINDEN USD-WATERLOO ELEMENTARY CA3900757 California Non-Transient Non-Community 225
TOMALES ELEM & MIDDLE SCHOOL CA2100560 California Non-Transient Non-Community 225
ADIN COMMUNITY PARK CA2500309 California Transient Non-Community 225
PREACHER MEADOW CAMPGROUND CA5300073 California Transient Non-Community 225
Mill Stream Shopping Center CA5200614 California Transient Non-Community 225
BSA/CAMP KERN CA1000157 California Transient Non-Community 225
HALEY'S TRAILER PARK CA3700119 California Community 225
BETHANY PINES CAMP CA1502590 California Transient Non-Community 225