NYS Department of Environmental Conservation
Mechanical Harvesting-Yaphank Lakes
•Volunteer or
Professional? Volunteer
drivers?
•Expected
Costs
–Capital $150k
–Operating $15-20k per year
•Duration of
Treatment 2-3 weeks
•Frequency of
Annual Treatment 1-2x per
year
•Longevity of
Control 6-12 weeks
•Permits DEC Article 24
•Unique
Issues? cut weed disposal
and dewatering
access
for harvester
•Overall
Likelihood of Success whole lake control = moderate
reinfestation control = very low