Interactive US Water Hardness Map

Hard water is an issue throughout the United States; as much as 85 percent of the nation's households have a hard water level ranging from slightly to extremely hard. 

 

Do I live in a hard water or soft water area?

We often hear customers ask "what is the water hardness in my area?" Determining water hardness in your area can be a daunting task. We have created the above USA water hardness map to help inform consumers. This tool should give you a starting point in finding solutions to your water concerns. So what is my water hardness?  Each state has a water hardness chart that can assist in finding your cities specific water hardness measurement.  For water hardness info by zip code, please contact your local water authority.

WHAT IS THE WATER HARDNESS IN MY AREA?

Alabama – AL

Alaska – AK

Arizona – AZ

Arkansas – AR

California – CA

Colorado – CO

Connecticut – CT

Delaware – DE

Florida – FL

Georgia – GA

Hawaii – HI

Idaho – ID

Illinois – IL

Indiana – IN

Iowa – IA

Kansas – KS

Kentucky – KY

Louisiana – LA

Maine – ME

Maryland – MD

Massachusetts – MA

Michigan – MI

Minnesota – MN

Mississippi – MS

Missouri – MO

Montana – MT

Nebraska – NE

Nevada – NV

New Hampshire – NH

New Jersey – NJ

New Mexico – NM

New York – NY

North Carolina – NC

North Dakota – ND

Ohio – OH

Oklahoma – OK

Oregon – OR

Pennsylvania – PA

Rhode Island – RI

South Carolina – SC

South Dakota – SD

Tennessee – TN

Texas – TX

Utah – UT

Vermont – VT

Virginia – VA

Washington – WA

West Virginia – WV

Wisconsin – WI

Wyoming – WY

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