These municipal wells are generally not the sole source of water in each community, so tap water may be very different from these lab reports.
Data source: California Office of Drinking Water
Ca:Mg COUNTY WATER SOURCE Mg Ca Ratio Alameda CALIFORNIA WTR SVC- LIVERMORE 100 46 0.460 Alameda EBMUD 604 4 0.007 Alameda ACFC&WCD-ZONE 7 129 227 1.760 Contra Costa ANTIOCH 110 25 0.227 Contra Costa CONTRA COSTA CWD 170 13 0.076 Fresno CITY OF CLOVIS 3230 21 0.007 Fresno CITY OF FRESNO 168 33 0.196 Fresno CARUTHERS CSD 396 2 0.006 Kern LAIDLAW ENVIRONMENTAL Svcs 116 202 1.741 Kern CALIFORNIA WTR SVC-BAKERSFLD 95 37 0.389 Kings CITY OF HANFORD 140 7 0.050 Lake CITY OF LAKEPORT 173 28 0.162 Lake BUCKINGHAM PARK CWD 98 88 0.898 Lake HIDDEN VALLEY LAKES CSD 130 12 0.092 Los Angeles DOMINGUEZ WATER CORP-CARSON 189 31 0.165 Los Angeles LOS ANGELES CWWD-LANCSTR PLMDL 93 37 0.402 Los Angeles CITY OF SANTA MONICA 102 147 1.441 Los Angeles SUBURBAN WTR SANJOSE-W COVINA 912 94 0.103 Monterey CALIFORNIA-AMER. WC-MONTEREY 621 66 0.106 Monterey CITY OF GREENFIELD 110 140 1.273 Monterey CALIFORNIA WTR SVC-LAS LOMAS 439 58 0.132 Monterey MARINA CWD 315 540 1.714 Riverside COACHELLA VALLEY CWD - COVE 112 33 0.295 San Bernardino CITY OF NEEDLES 111 83 0.749 San Joaquin SAN JOAQUIN RIVER CLUB 130 59 0.458 San Luis Obispo CITY OF SAN LUIS OBISPO 94 36 0.389 San Luis Obispo SANLUIS OBIS CWWD01-SANMIGUEL 522 47 0.090 San Luis Obispo MORRO BAY WD 99 54 0.545 San Luis Obispo SANLUIS OBISPO C 09A-BAYWOOD 396 41 0.104 San Luis Obispo CALIFORNIA CITIES WTR-ROLLING 94 92 0.977 San Luis Obispo SAN LUIS OBIS CSA 08-CAYUCOS 106 52 0.491 San Luis Obispo NACIMIENTO WC - OAK SHORES 120 210 1.750 San Luis Obispo HEARST MEMORIAL STATE BEACH 150 86 0.573 San Luis Obispo SAN SIMEON CREEK STATE BEACH 90 54 0.600 San Luis Obispo CALIFORNIA MENS COLONY 105 18 0.166 San Luis Obispo CALIFORNIA MENS COLONY 109 18 0.161 Santa Barbara LOMPOC WD 90 228 2.533 Santa Barbara MONTECITO WD 213 30 0.140 Santa Barbara CITY OF SANTA BARBARA 109 95 0.874 Santa Barbara CITY OF SOLVANG 90 105 1.163 Santa Barbara SANTA YNEZ RIVER WATER CONS D 117 116 0.988 Santa Barbara GAVIOTA BEACH STATE PARK 160 136 0.850 Santa Barbara VANDENBERG AFB 127 0 0.000 Santa Clara SAN JOSE WATER COMPANY 99 62 0.626 Santa Cruz SOQUEL CREEK CWD - CAPITOLA 939 79 0.084 Solano CALIFORNIA WATER Svc-DIXON 92 48 0.522 Solano CITY OF FAIRFIELD 108 19 0.176 Sonoma SONOMA CWA 302 22 0.073 Stanislaus HILLSVIEW HOMES (WESTLEY) 90 77 0.853 Stanislaus WALNUT ACRES - PATTERSON 100 84 0.837 Stanislaus DEL ESTE WC - GRAYSON 92 48 0.516 Sutter HILLCREST WC - 1,2,3 & 4 92 57 0.620 Ventura NYELAND ACRES MWC 106 243 2.292 Ventura WARRING WATER SERVICE - PIRU 90 155 1.722 Ventura UNITED WTR CONS D-OXNARD PLAIN 91 156 1.714 Ventura CHANNEL ISLANDS NATIONAL PARK 186 8 0.457 Ventura U.S. NAVY - SAN NICOLAS IS. 1100 45 0.041 Yolo CITY OF DAVIS 95 46 0.484 Yolo U.C. DAVIS 99 15 0.152
IN CALIFORNIA:
Bartlett Springs contains 67 mg/l calcium, 360 mg/l magnesium,
and 4.3 mg/l sodium. This unique spring water has been bottled
since 1869, and is reputed to have a laxative effect due to its
360 mg/l magnesium content. Vittel of France bought it and
bottled it under the name Vittel, but it failed in the
marketplace. It is rumored to be for sale complete with a new
bottling plant for $10 million. The laxative effect could be
removed by diluting it with low TDS water to give a magnesium
content of 90 mg/l. It is not currently bottled. Flow: 55 gallons
per minute.
Adobe Springs is in Stanislaus County, California and contains 3.8 mg/l calcium, 110 mg/l magnesium, and 6.4 mg/l sodium. Adobe Springs is family owned and operated. Water is sold in bulk to bottlers. The taste is commonly described as sweet. Flow: 142 gallons per minute.
This page was first uploaded to The Magnesium Web Site on September 30, 1995
http://www.mgwater.com/