Percentage of all registered New York State wells located in each county.

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.

High Concentration

Allegany [31.30%] Cattaraugus [24.22%] Chautauqua [15.81%]
Erie [08.72%] Steuben [04.70%] Wyoming [02.63%]
Genesee [02.20%] Cayuga [01.23%] Seneca [01.14%]
Livingston [01.12%] Schuyler [01.04%] Ontario [00.86%]

Medium Concentration

Onondaga [00.74%] Chemung [00.58%] Oswego [00.51%]
Chenango [00.48%] Yates [00.40%] Madison [00.36%]
Tioga [00.30%] Tompkins [00.26%] Oneida [00.18%]
Broome [00.16%] Westchester [00.14%] Delaware [00.12%]
Wayne [00.10%] Monroe [00.08%] Cortland [00.08%]

Low Concentration

Orleans [00.07%] Otsego [00.05%] Albany [00.05%]
Bronx [00.05%] Orange [00.05%] Niagara [00.04%]
Lewis [00.03%] Queens [00.03%] Ulster [00.03%]
Dutchess [00.02%] Jefferson [00.02%] Montgomery [00.02%]
Rockland [00.02%] Herkimer [00.01%] Nassau [00.01%]
Essex [00.01%] Greene [00.01%] Schoharie [00.01%]
Sullivan [00.01%] Washington [00.01%] Saratoga [00.01%]
Warren [00.01%] Clinton [00.00%] Fulton [00.00%]
Schenectady [00.00%] Brooklyn [00.00%] Columbia [00.00%]
Franklin [00.00%] Hamilton [00.00%] Manhattan [00.00%]
Putnam [00.00%] Rensselaer [00.00%] St. Lawrence [00.00%]
Staten Island [00.00%] Suffolk [00.00%]