Water Hardness in Arkansas

75 counties — Average 76.6 PPM (Moderately Hard)

35
25
12
3
Soft (46.7%) Moderate (33.3%) Hard (16.0%) Very Hard (4.0%)

Arkansas Water Hardness Map

Soft   Moderate   Hard   Very Hard

Hardest Water Counties

Fulton220 PPM
Lawrence195 PPM
Sharp205 PPM
Arkansas

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All 75 Counties — By Water Hardness

CountyClassificationHardness
Arkansas Moderate 100 PPM
Ashley Soft 29.9 PPM
Baxter Hard 160 PPM
Benton Moderate 110 PPM
Boone Hard 173 PPM
Bradley Soft 26 PPM
Calhoun Soft 12 PPM
Carroll Moderate 117 PPM
Chicot Moderate 120 PPM
Clark Soft 26 PPM
Clay Moderate 102 PPM
Cleburne Soft 17 PPM
Cleveland Soft 28 PPM
Columbia Soft 21 PPM
Conway Moderate 74 PPM
Craighead Moderate 74.6 PPM
Crawford Soft 18 PPM
Crittenden Hard 170 PPM
Cross Moderate 108.5 PPM
Dallas Soft 40 PPM
Desha Moderate 81 PPM
Drew Soft 29.4 PPM
Faulkner Soft 40 PPM
Franklin Moderate 88.6 PPM
Fulton Very Hard 220 PPM
Garland Soft 24 PPM
Grant Soft 38 PPM
Greene Soft 40 PPM
Hempstead Soft 28 PPM
Hot Spring Soft 24.7 PPM
Howard Soft 16 PPM
Independence Hard 137 PPM
Izard Hard 150 PPM
Jackson Hard 140 PPM
Jefferson Moderate 76 PPM
Johnson Soft 19.1 PPM
Lafayette Soft 30 PPM
Lawrence Very Hard 195 PPM
Lee Moderate 98 PPM
Lincoln Soft 47 PPM
Little River Hard 140 PPM
Logan Soft 23 PPM
Lonoke Moderate 79.5 PPM
Madison Moderate 84.8 PPM
Marion Hard 138 PPM
Miller Moderate 86.3 PPM
Mississippi Hard 170 PPM
Monroe Moderate 98 PPM
Montgomery Soft 22 PPM
Nevada Soft 24 PPM
Newton Moderate 83.8 PPM
Ouachita Soft 23 PPM
Perry Soft 12 PPM
Phillips Moderate 100 PPM
Pike Soft 16 PPM
Poinsett Hard 170 PPM
Polk Soft 14.3 PPM
Pope Soft 58 PPM
Prairie Moderate 110 PPM
Pulaski Moderate 65 PPM
Randolph Hard 170 PPM
Saline Soft 51.4 PPM
Scott Soft 19.9 PPM
Searcy Moderate 107.5 PPM
Sebastian Moderate 118 PPM
Sevier Soft 17 PPM
Sharp Very Hard 205 PPM
St. Francis Moderate 94.5 PPM
Stone Hard 137 PPM
Union Moderate 70 PPM
Van Buren Soft 13.6 PPM
Washington Moderate 84 PPM
White Soft 18 PPM
Woodruff Soft 55.2 PPM
Yell Soft 17.7 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in Arkansas?

Arkansas has an average water hardness of 76.6 PPM, classified as moderately hard. Out of 75 counties, 35 have soft water, 25 moderately hard, 12 hard, and 3 very hard.

Which Arkansas counties have the hardest water?

Arkansas has 3 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 Arkansas address?

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