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Percentage of ~46,000 New York State wells located in each county.

Concentration High

31.08%13055Allegany
24.47%10278Cattaraugus
15.43%6479Chautauqua
09.02%3790Erie
04.59%1929Steuben
02.71%1138Wyoming
02.13%894Genesee
01.17%493Cayuga
01.08%455Livingston
01.08%455Seneca
01.03%431Schuyler
00.86%360Ontario

Concentration Medium

00.70%295Onondaga
00.56% 234Chemung
00.50%208Oswego
00.48%200Chenango
00.47%198Manhattan
00.39%164Yates
00.34%144Madison
00.29%122Tioga
00.25%107Tompkins
00.17%72Oneida
00.17%70Broome
00.13%54Westchester
00.10%41Delaware
00.09%38Wayne
00.08%33Monroe
00.07%30Cortland

Concentration Low

00.07%29Orleans
00.06%24Orange
00.05%21Albany
00.05%21Niagara
00.05%20Otsego
00.04%18Bronx
00.03%11Ulster
00.02%10Dutchess
00.02%10Lewis
00.02%10Queens
00.02%8Rockland
00.01%6Montgomery
00.01%5Herkimer
00.01%4Nassau
00.01%4Schoharie
00.01%3Essex
00.01%3Greene
00.01%3Saratoga
00.01%3Sullivan
00.01%3Washington
00.00%0Staten Island
00.00%2Warren
00.00%1Clinton
00.00%1Fulton
00.00%1Schenectady
00.00%1St. Lawrence
00.00%1Suffolk
Note: Many of the Low Concentration counties only contain "geothermal" wells. This is a relatively new activity in New York State and is receiving increased attention nation-wide.