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 | More Info |
|---|---|---|---|
| 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 - 460 | 5.2 - 27.0 | Source |
| 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 |