Water Hardness in New York

62 counties — Average 111.4 PPM (Moderately Hard)

22
18
8
14
Soft (35.5%) Moderate (29.0%) Hard (12.9%) Very Hard (22.6%)

New York Water Hardness Map

Soft   Moderate   Hard   Very Hard

Hardest Water Counties

Cayuga198 PPM
Genesee210 PPM
Kings295 PPM
Livingston186 PPM
Madison335 PPM
Monroe330 PPM
Montgomery213 PPM
Onondaga277 PPM
Ontario250 PPM
Orleans268 PPM
Seneca197.5 PPM
Wayne302 PPM
+2 more
New York

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All 62 Counties — By Water Hardness

CountyClassificationHardness
Albany Moderate 82 PPM
Allegany Moderate 86.2 PPM
Bronx Moderate 82.2 PPM
Broome Soft 53.1 PPM
Cattaraugus Moderate 90 PPM
Cayuga Very Hard 198 PPM
Chautauqua Moderate 120 PPM
Chemung Hard 124 PPM
Chenango Moderate 69.5 PPM
Clinton Soft 58.6 PPM
Columbia Moderate 90 PPM
Cortland Hard 140 PPM
Delaware Soft 19 PPM
Dutchess Moderate 87 PPM
Erie Hard 170 PPM
Essex Soft 18.3 PPM
Franklin Soft 25 PPM
Fulton Soft 27 PPM
Genesee Very Hard 210 PPM
Greene Soft 13.8 PPM
Hamilton Soft 5 PPM
Herkimer Soft 5.9 PPM
Jefferson Soft 53 PPM
Kings Very Hard 295 PPM
Lewis Soft 12.3 PPM
Livingston Very Hard 186 PPM
Madison Very Hard 335 PPM
Monroe Very Hard 330 PPM
Montgomery Very Hard 213 PPM
Nassau Soft 28 PPM
New York Soft 20 PPM
Niagara Hard 133 PPM
Oneida Moderate 85.2 PPM
Onondaga Very Hard 277 PPM
Ontario Very Hard 250 PPM
Orange Soft 37.7 PPM
Orleans Very Hard 268 PPM
Oswego Hard 140 PPM
Otsego Moderate 66 PPM
Putnam Moderate 91.3 PPM
Queens Hard 180 PPM
Rensselaer Moderate 72 PPM
Richmond Soft 18 PPM
Rockland Moderate 110 PPM
Saratoga Soft 53 PPM
Schenectady Moderate 120 PPM
Schoharie Soft 49 PPM
Schuyler Hard 140 PPM
Seneca Very Hard 197.5 PPM
St. Lawrence Soft 47 PPM
Steuben Moderate 116 PPM
Suffolk Soft 28 PPM
Sullivan Soft 13 PPM
Tioga Moderate 91.6 PPM
Tompkins Hard 164 PPM
Ulster Soft 6.1 PPM
Warren Soft 21.5 PPM
Washington Moderate 79.5 PPM
Wayne Very Hard 302 PPM
Westchester Moderate 120 PPM
Wyoming Very Hard 190.5 PPM
Yates Very Hard 190 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in New York?

New York has an average water hardness of 111.4 PPM, classified as moderately hard. Out of 62 counties, 22 have soft water, 18 moderately hard, 8 hard, and 14 very hard.

Which New York counties have the hardest water?

New York has 14 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 New York address?

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