US directory

United States Water Hardness By State

Start with a state if you do not know the exact ZIP code yet. Each state hub leads into city and ZIP-level reports with practical hardness context.

State hub

Alabama

2 local reports available. Average hardness: 180 PPM.

Highest listed area: Birmingham (35201)
State hub

Alaska

2 local reports available. Average hardness: 280 PPM.

Highest listed area: Anchorage (99501)
State hub

Arizona

2 local reports available. Average hardness: 330 PPM.

Highest listed area: Phoenix (85001)
State hub

Arkansas

1 local report available. Average hardness: 270 PPM.

Highest listed area: Little Rock (72201)
State hub

California

6 local reports available. Average hardness: 237 PPM.

Highest listed area: San Diego (92101)
State hub

Colorado

2 local reports available. Average hardness: 185 PPM.

Highest listed area: Denver (80201)
State hub

Connecticut

2 local reports available. Average hardness: 310 PPM.

Highest listed area: Hartford (06101)
State hub

Delaware

1 local report available. Average hardness: 230 PPM.

Highest listed area: Wilmington (19801)
State hub

Florida

5 local reports available. Average hardness: 212 PPM.

Highest listed area: Miami (33101)
State hub

Georgia

2 local reports available. Average hardness: 380 PPM.

Highest listed area: Savannah (31401)
State hub

Hawaii

1 local report available. Average hardness: 220 PPM.

Highest listed area: Honolulu (96801)
State hub

Idaho

1 local report available. Average hardness: 120 PPM.

Highest listed area: Boise (83701)
State hub

Illinois

2 local reports available. Average hardness: 255 PPM.

Highest listed area: Chicago (60601)
State hub

Indiana

1 local report available. Average hardness: 430 PPM.

Highest listed area: Indianapolis (46201)
State hub

Iowa

1 local report available. Average hardness: 70 PPM.

Highest listed area: Des Moines (50301)
State hub

Kansas

2 local reports available. Average hardness: 180 PPM.

Highest listed area: Wichita (67201)
State hub

Kentucky

1 local report available. Average hardness: 400 PPM.

Highest listed area: Louisville (40201)
State hub

Louisiana

2 local reports available. Average hardness: 400 PPM.

Highest listed area: Baton Rouge (70801)
State hub

Maine

1 local report available. Average hardness: 70 PPM.

Highest listed area: Portland (04101)
State hub

Maryland

2 local reports available. Average hardness: 285 PPM.

Highest listed area: Baltimore (21201)
State hub

Massachusetts

2 local reports available. Average hardness: 220 PPM.

Highest listed area: Worcester (01601)
State hub

Michigan

2 local reports available. Average hardness: 170 PPM.

Highest listed area: Detroit (48201)
State hub

Minnesota

2 local reports available. Average hardness: 115 PPM.

Highest listed area: Saint Paul (55101)
State hub

Mississippi

1 local report available. Average hardness: 80 PPM.

Highest listed area: Jackson (39201)
State hub

Missouri

2 local reports available. Average hardness: 430 PPM.

Highest listed area: Kansas City (64101)
State hub

Montana

1 local report available. Average hardness: 440 PPM.

Highest listed area: Billings (59101)
State hub

Nebraska

1 local report available. Average hardness: 120 PPM.

Highest listed area: Omaha (68101)
State hub

Nevada

2 local reports available. Average hardness: 355 PPM.

Highest listed area: Reno (89501)
State hub

New Hampshire

1 local report available. Average hardness: 190 PPM.

Highest listed area: Manchester (03101)
State hub

New Jersey

2 local reports available. Average hardness: 365 PPM.

Highest listed area: Jersey City (07301)
State hub

New Mexico

1 local report available. Average hardness: 70 PPM.

Highest listed area: Albuquerque (87101)
State hub

New York

5 local reports available. Average hardness: 156 PPM.

Highest listed area: Brooklyn (11201)
State hub

North Carolina

2 local reports available. Average hardness: 275 PPM.

Highest listed area: Raleigh (27601)
State hub

North Dakota

1 local report available. Average hardness: 390 PPM.

Highest listed area: Fargo (58102)
State hub

Ohio

3 local reports available. Average hardness: 337 PPM.

Highest listed area: Columbus (43201)
State hub

Oklahoma

1 local report available. Average hardness: 320 PPM.

Highest listed area: Oklahoma City (73101)
State hub

Oregon

2 local reports available. Average hardness: 375 PPM.

Highest listed area: Salem (97301)
State hub

Pennsylvania

2 local reports available. Average hardness: 265 PPM.

Highest listed area: Philadelphia (19101)
State hub

Rhode Island

1 local report available. Average hardness: 350 PPM.

Highest listed area: Providence (02901)
State hub

South Carolina

2 local reports available. Average hardness: 340 PPM.

Highest listed area: Charleston (29401)
State hub

South Dakota

1 local report available. Average hardness: 50 PPM.

Highest listed area: Sioux Falls (57101)
State hub

Tennessee

2 local reports available. Average hardness: 280 PPM.

Highest listed area: Nashville (37201)
State hub

Texas

4 local reports available. Average hardness: 218 PPM.

Highest listed area: San Antonio (78201)
State hub

Utah

1 local report available. Average hardness: 180 PPM.

Highest listed area: Salt Lake City (84101)
State hub

Vermont

1 local report available. Average hardness: 250 PPM.

Highest listed area: Burlington (05401)
State hub

Virginia

2 local reports available. Average hardness: 335 PPM.

Highest listed area: Virginia Beach (23451)
State hub

Washington

2 local reports available. Average hardness: 175 PPM.

Highest listed area: Seattle (98101)
State hub

West Virginia

1 local report available. Average hardness: 360 PPM.

Highest listed area: Charleston (25301)
State hub

Wisconsin

1 local report available. Average hardness: 430 PPM.

Highest listed area: Milwaukee (53201)
State hub

Wyoming

1 local report available. Average hardness: 430 PPM.

Highest listed area: Cheyenne (82001)