Water Hardness California
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Water Hardness California

Here are the water hardness values for the cities in California
City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
Acton 298 17.4
Alameda 156 9.1
Alhambra 184 10.8
Alvarado 214 12.5
Alviso 51 3.0
Anaheim 300 17.5
Antelope Valley Northeast Los Angeles County 93 5.4
Antioch 57 3.3
Apple Valley 150 8.8
Arcadia 195 11.4
Arvin (Tejon-Castac) 102 6.0
Azusa 165 9.7
Bakersfeild (North Garden) 79.2 4.6
Bakersfield 74.6 4.4
Baldwin Park 190 11.1
Bellflower 237 13.9
Berkeley 35 2.0
Brentwood 368 21.5
Buena Park 240 14.0
Burbank 259 15.1
Camarillo 89 5.2
Carlsbad 228 13.3
Ceres 174.2 10.2
Cerritos 180 10.5
Chico 126 7.4
Chino 258 15.1
Chino Hills 147 8.6
Chula Vista 286.5 16.8
Citrus Heights 130 7.6
Clovis 69.5 4.1
Colton 181.2 10.6
Compton 229.4 13.4
Concord 77.7 4.5
Corona 206 12.0
Costa Mesa 119 7.0
Covina 140 8.2
Coyote Valley 241 14.1
Daly City 47 2.7
Davis 73.8 4.3
Delano 44 2.6
Desert View Highlands 114.7 6.7
Downey 14.4 0.8
Edenvale 304 17.8
El Cajon 166 9.7
El Monte 270 15.8
Elk Grove 90 5.3
Encinitas 247 14.4
Escondido 170 9.9
Evergreen 98 5.7
Fairfield 122 7.1
Folsom 22.3 1.3
Fontana 113.5 6.6
Fountain Valley 240 14.0
Fremont 6 0.4
Fresno 123 7.2
Fullerton 19 1.1
Garden Grove 119 7.0
Gardena 200 11.7
Gilroy 263 15.4
Glendale 12 0.7
Hanford 11.4 0.7
Hawthorne 200 11.7
Hayward 44 2.6
Hemet 257.7 15.1
Hesperia 68.7 4.0
Huntington Beach 184 10.8
Huntington Park 171.5 10.0
Indio 110.7 6.5
Inglewood 231.5 13.5
Irvine 195.3 11.4
Jurupa Valley 185 10.8
Kagel Canyon 84 5.0
La Habra 287 16.8
Laguna Niguel 240 14.0
Lake Forest 240 14.0
Lake Los Angeles 118 6.9
Lakewood 158 9.2
Lancaster 114.7 6.7
Littlerock 154.7 9.0
Livermore 261 15.3
Lodi 137 8.0
Long Beach 100.5 5.9
Lynwood 245.2 14.3
Madera 76.4 4.5
Malibu 109 6.4
Manteca 175 10.2
Marina Del Rey 109 6.4
Menifee 144 8.4
Merced 126 7.4
Milpitas 91 5.3
Miramar 179 10.5
Mission Viejo 240 14.0
Modesto 194 11.3
Monterey Park 220 12.9
Moreno Valley 208 12.2
Mountain View 47 2.7
Murrieta 120.8 7.1
Napa 118 6.9
Newark 4 0.2
Newport Beach 240 14.0
North San Jose 51 3.0
Norwalk 330 19.3
Oakland 140 8.2
Oceanside 141 8.2
Ontario 123 7.2
Orange 16 0.9
Otay 214 12.5
Oxnard 322 18.8
Palmdale 119 7.0
Palo Alto 47 2.7
Paramount 171.5 10.0
Pasadena 12.9 0.8
Pearblossom 154.7 9.0
Perris 92 5.4
Petaluma 92.3 5.4
Pico Rivera 241 14.1
Pittsburg 63 3.7
Pleasanton 89 5.2
Pomona 206.3 12.1
Porterville 143.6 8.4
Poway 204 11.9
Rancho Cordova 80 4.7
Rancho Cucamonga 151 8.8
Rancho Santa Margarita 240 14.0
Redding 31 1.8
Redlands 149 8.7
Redondo Beach 316 18.5
Redwood City 47 2.7
Rialto 160 9.4
Richmond 78 4.6
Riverside 188 11.0
Rock Creek 305 17.8
Roseville 80.5 4.7
Sacramento 102 6.0
Salinas 315 18.4
San Bernardino 251.6 14.7
San Clemente 240 14.0
San Francisco 51 3.0
San Leandro 78 4.6
San Luis Obispo 171 10.0
San Marcos 54 3.2
San Mateo 47 2.7
San Ramon 368 21.5
Santa Ana 180.5 10.6
Santa Barbara 330 19.3
Santa Clara 97.5 5.7
Santa Clarita 267.8 15.7
Santa Cruz 175 10.2
Santa Maria 146 8.5
Santa Monica 162 9.5
Santa Rosa 145.5 8.5
Simi Valley 182.3 10.7
South Gate 220.9 12.9
South San Francisco 47 2.7
Stockton 25.5 1.5
Sun Village 154.7 9.0
Sunnyvale 153 8.9
Temecula 120.8 7.1
Thousand Oaks 119 7.0
Torrance 320.5 18.7
Tracy 283 16.6
Tulare 25.4 1.5
Turlock 114.3 6.7
Tustin 255.5 14.9
Union City 11 0.6
Union City 89 5.2
Upland 150.2 8.8
Vacaville 183 10.7
Val Verde 267.8 15.7
Vallejo 129 7.5
Ventura 472.7 27.6
Victorville 30.7 1.8
Visalia 81 4.7
Vista 161 9.4
Walnut Creek 78 4.6
Watsonville 281 16.4
West Corvina 150 8.8
West Sacramento 65 3.8
Westminster 240 14.0
Whittier 290 17.0
Woodland 63 3.7
Yorba Linda 240 14.0
Yuba City 58 3.4