NYS Department of Environmental Conservation
Dredging-Yaphank Lakes
•Volunteer or
Professional? Professional
•Expected
Costs
–Capital $150k
–Operating $10-20k / acre; $300-600k both
lakes
•Duration of
Treatment 2-4 weeks
•Frequency of
Annual Treatment 1x
•Longevity of
Control 5-10 years?
•Permits DEC Article 15, Article 24,
USACE?
Hazardous
waste disposal permit?
•Unique
Issues? permitting/disposal
of soils (years)
combine
with drawdown
•Overall
Likelihood of Success whole lake control = moderate to high
reinfestation control = moderate