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Suffolk County Department of Public Works’ Vector Spraying

Event date: 6/11/2025 7:00 AM - 6:00 PM Export event

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: June 11-13, 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 may be added, as required:

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

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:

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