NYS Department of Environmental Conservation
Dam Removal-Yaphank Lakes
•Volunteer or
Professional? professional
•Expected
Costs
–Capital difficult to define
–Operating none
•Duration of
Treatment 1-2 weeks
•Frequency of
Annual Treatment one
time
•Longevity of
Control permanent
•Permits DEC Article 15 / 24, dam
safety
•Unique
Issues? ecological shift:
lentic to lotic
recreational
shift: standing to flowing
compatible
with downstream uses?
groundwater
impacts
change
in Carmens River last 25 years
Overall Likelihood of Success whole lake control = moderate
reinfestation control = moderate