Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Monday morning, July 27, 2026
See the FAQ page for information and warnings
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Thursday morning, July 9, 2026
See the FAQ page for information and warnings
Kinderhook Lake will be treated with ProcellaCor
to control Eurasian watermilfoil in accordance with our DEC permit on
Wednesday, June 24, 2026
- NO IRRIGATION: Lake water should not be used for irrigation or livestock watering for about one week following the treatment (until concentrations of the active ingredient are below 1ppb).
- NO BOATING: No boating throughout the day of treatment. Wake and water movement can disturb or redistribute the herbicide away from the intended target—milfoil.
- NO SWIMMING: No swimming permitted on the day of treatment.
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Monday morning, June 15, 2026
See the FAQ page for information and warnings
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Wednesday morning, August 27, 2025
See the FAQ page for information and warnings
This will be the final Copper Sulfate treatment of the 2025 season
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Friday morning, August 1, 2025
See the FAQ page for information and warnings
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Thursday morning, July 17, 2025
See the FAQ page for information and warnings
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Monday morning, June 30, 2025
See the FAQ page for information and warnings
Copper Sulfate will be applied to Kinderhook Lake
for algae control on
Monday morning, June 16, 2025
See the FAQ page for information and warnings

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