United States water hardness by city

46 cities with a published primary source

• Phoenix, Arizona172 to 302 mg/L · hard to very hard
• Las Vegas, Nevada280 mg/L · very hard
• Henderson, Nevada304 mg/L · very hard
• San Diego, Californiaabout 237 to 242 mg/L · very hard
• Los Angeles, California112 to 272 mg/L · moderately hard to very hard
• Long Beach, California110 to 240 mg/L · moderately hard to very hard
• Anaheim, California131 to 351 mg/L · hard to very hard
• Riverside, California197 mg/L · very hard
• Houston, Texas110 mg/L · moderately hard
• Dallas, Texas120 to 155 mg/L · moderately hard to hard
• Fort Worth, Texas79.9 to 134 mg/L · moderately hard to hard
• San Francisco, California62 mg/L · on the line between soft and moderately hard
• Sacramento, California83 mg/L · moderately hard
• San Jose, California77 to 440 mg/L · moderately hard to very hard
• Oakland, California16 to 64 mg/L · soft to moderately hard
• Fresno, California89.3 mg/L · moderately hard
• Bakersfield, California7.5 to 620 mg/L · soft to very hard
• Dover, Delaware65 mg/L · moderately hard
• Tallahassee, Florida150 mg/L · hard
• Boise, Idaho105 mg/L · moderately hard
• Springfield, Illinois99 mg/L · moderately hard
• Indianapolis, Indiana317 mg/L · very hard
• Topeka, Kansas154 mg/L · hard
• Baton Rouge, Louisiana0 to 52 mg/L · soft
• Augusta, Maine130 mg/L · hard
• Boston, Massachusetts15 to 20 mg/L · soft
• Lansing, Michigan89 to 120 mg/L · moderately hard
• Saint Paul, Minnesota92 to 107 mg/L · moderately hard
• Jackson, Mississippi31 to 84 mg/L · soft to moderately hard
• Jefferson City, Missouri104 to 150 mg/L · moderately hard to hard
• Lincoln, Nebraska192 mg/L · very hard
• Concord, New Hampshire9.4 mg/L · soft
• Raleigh, North Carolina21.9 to 35.3 mg/L · soft
• Bismarck, North Dakota124 mg/L · hard
• Columbus, Ohio98 mg/L · moderately hard
• Nashville, Tennessee75.3 mg/L · moderately hard
• Austin, Texas93 mg/L · moderately hard
• Salt Lake City, Utah189.4 mg/L · very hard
• Richmond, Virginia195 to 401 mg/L · very hard
• Charleston, West Virginia54 mg/L · soft
• Madison, Wisconsin390 to 460 mg/L · very hard
• Cheyenne, Wyoming50 to 70 mg/L · soft to moderately hard
• Jacksonville, Florida120 to 372 mg/L · moderately hard to very hard
• Charlotte, North Carolina32 mg/L · soft
• Washington, District of Columbia126 mg/L · hard
• Portland, Oregon6.3 to 82 mg/L · soft to moderately hard