County News

Suffolk County Department of Public Works’ Division of Vector Control Treatment Plan

27 May 2025
Author: Aimee.Chabon@suffolkcountyny.gov
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The Suffolk County Department of Public Works’ Division of Vector Control plans to treat parts of the following marshes by helicopter to control mosquito larvae. Should weather conditions prevent completion of the work, it will be continued on the next suitable day.

Time and date of the application: May 28- 30, 7:00 a.m. - 6:00 p.m.
Method of application: Low altitude helicopter, granular pellet application
Name of Pesticide: VectoPrime FG [Bti (Bacillus thuringiensis israelensis) and Altosid (Methoprene)] EPA# 73049-501

Approximate location(s):
Marshes that will be treated are marked “Yes”. Marshes marked as “Pending” will be rechecked and added, as required:

Town of Babylon	Treat?	Town of Brookhaven (cont.)	Treat?
Sore Thumb	Yes	Fireplace Neck	Yes
Oak Beach	Yes	Wertheim NWR
West Gilgo	Yes	Manor of St. George
Gilgo	Yes	Smith Point	Yes
Cedar Beach	Yes	Johns Neck Creek	Yes
Cedar Beach Golf Course	Yes	Mastic Beach	Yes
Oak Island		Moriches – Crystal Brook	Yes
Ox/Helicopter Island		Town of Southampton
Gilgo Island		Stokes Poges
Town of Islip		Jagger Lane	Yes
Robert Moses CG Station	Yes	Apacuck Point	Yes
Clam Pond	Pending	Moneybogue Bay	Yes
Captree		Westhampton Dunes
Gardiner Park	Yes	Dune Rd (Overton)
Admiralty/Isbrandtsen	Yes	Meadow Lane	Yes
Scully	Yes	North Haven
Seatuck NWR		Iron Point	Yes
Islip Preserve	Yes	North Sea	Pending
Quintuck Creek	Yes	Town of East Hampton
Heckscher State Park	Yes	Cedar Pt Co Park	Yes
Timber Point		Napeague	Yes
Idle Hour	Yes	Beach Hampton	Yes
Pepperidge Hall	Yes	Accabonac Harbor	Pending
Ludlows Creek	Yes	Town of Riverhead
West Oak Recreation	Yes	Indian Island	Yes
West Sayville GC		Overlook - Aquebogue	Yes
Namkee Creek		Crescent Duck Farm	Yes
Town of Brookhaven		Aquebogue Farm	Yes
Sayville YC		Millar Farm	Yes
Stillman Creek	Yes	Union Ave	Yes
Grove Ave	Yes	Pier Avenue	Yes
Pine Neck Ave. (Swan River)		Town of Southold
Roe Ave. (Mud Creek)	Yes	New Suffolk	Yes
Abets Creek	Yes	Great Hog Neck	Yes
Hedges Creek	Yes	Kerwin Blvd.	Yes
Lyman Marsh		Pipes Neck Creek
Bellport Bay	Yes	Pipes Cove	Yes

The products used by Vector Control are registered by the U.S. Environmental Protection Agency and the New York State Department of Environmental Conservation and are applied in accordance with the required state and federal permits.

No precautions are recommended to prepare for this spraying, as the helicopter will be flying at a very low level over marsh areas and taking other precautions to control drift into inhabited areas. Human exposure from this operation is unlikely and the products involved have no significant human toxicity.

For current and future notices and/or further information: