Water Hardness in Florida

67 counties — Average 131.1 PPM (Hard)

21
12
15
19
Soft (31.3%) Moderate (17.9%) Hard (22.4%) Very Hard (28.4%)

Florida Water Hardness Map

Soft   Moderate   Hard   Very Hard

Hardest Water Counties

Broward250 PPM
Charlotte390 PPM
Collier273 PPM
Duval303 PPM
Gilchrist190 PPM
Hendry248 PPM
Lafayette200.3 PPM
Lee293 PPM
Levy210 PPM
Martin193 PPM
Miami-Dade230 PPM
Monroe290 PPM
+7 more
Florida

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All 67 Counties — By Water Hardness

CountyClassificationHardness
Alachua Soft 44.4 PPM
Baker Soft 13 PPM
Bay Soft 44 PPM
Bradford Soft 16.9 PPM
Brevard Hard 180 PPM
Broward Very Hard 250 PPM
Calhoun Moderate 89 PPM
Charlotte Very Hard 390 PPM
Citrus Hard 143 PPM
Clay Soft 49.9 PPM
Collier Very Hard 273 PPM
Columbia Moderate 82.7 PPM
DeSoto Hard 140 PPM
Dixie Hard 168.9 PPM
Duval Very Hard 303 PPM
Escambia Soft 16.4 PPM
Flagler Moderate 76.8 PPM
Franklin Soft 45.5 PPM
Gadsden Soft 29.6 PPM
Gilchrist Very Hard 190 PPM
Glades Hard 132 PPM
Gulf Soft 46.5 PPM
Hamilton Moderate 74.4 PPM
Hardee Moderate 110.5 PPM
Hendry Very Hard 248 PPM
Hernando Hard 140 PPM
Highlands Soft 34 PPM
Hillsborough Hard 150 PPM
Holmes Soft 30.8 PPM
Indian River Hard 177 PPM
Jackson Soft 54 PPM
Jefferson Moderate 65.1 PPM
Lafayette Very Hard 200.3 PPM
Lake Hard 135.7 PPM
Lee Very Hard 293 PPM
Leon Soft 29 PPM
Levy Very Hard 210 PPM
Liberty Soft 11.9 PPM
Madison Moderate 70.1 PPM
Manatee Hard 147.9 PPM
Marion Hard 131.9 PPM
Martin Very Hard 193 PPM
Miami-Dade Very Hard 230 PPM
Monroe Very Hard 290 PPM
Nassau Very Hard 280 PPM
Okaloosa Soft 19 PPM
Okeechobee Moderate 61 PPM
Orange Moderate 68 PPM
Osceola Soft 51.8 PPM
Palm Beach Very Hard 200 PPM
Pasco Moderate 110 PPM
Pinellas Very Hard 261 PPM
Polk Moderate 69.9 PPM
Putnam Very Hard 182.5 PPM
Santa Rosa Soft 17 PPM
Sarasota Very Hard 390 PPM
Seminole Moderate 111 PPM
St. Johns Very Hard 211.7 PPM
St. Lucie Very Hard 280 PPM
Sumter Hard 140 PPM
Suwannee Hard 148 PPM
Taylor Hard 149.5 PPM
Union Soft 20 PPM
Volusia Hard 161 PPM
Wakulla Soft 56.2 PPM
Walton Soft 18 PPM
Washington Soft 28.1 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in Florida?

Florida has an average water hardness of 131.1 PPM, classified as hard. Out of 67 counties, 21 have soft water, 12 moderately hard, 15 hard, and 19 very hard.

Which Florida counties have the hardest water?

Florida has 19 counties with very hard water (above 180 mg/L). See the county table above for a complete breakdown by hardness level.

How do I check water hardness for my Florida address?

Enter your ZIP code in the search box above to see your area's estimated water hardness, classification, and water utility information.