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Department of
Public Works

Charles J. Bartha, P.E.


Michael J. Monaghan, P.E.

Chief Deputy Commissioner

Leslie A. Mitchel

Deputy Commissioner

Darnell Tyson, P.E.

Deputy Commissioner

 335 Yaphank Avenue
Yaphank, NY 11980

 (631) 852-4010
FAX: (631) 852-4150

Our Mission

The Department of Public Works constructs, maintains and operates county properties and designs, constructs and maintains county roads, sewerage systems, buildings and other facilities, such as waterways, bridges, docks and marinas. In addition, the department is responsible for the operation of the Suffolk County Transit System as well as controlling mosquitoes that transmit disease and impact the enjoyment of outdoor activities.

Employment Opportunities


Aerial Mosquito Larvicide Notice

Due to the recent extreme rain events and moon tides, many wetlands in Suffolk County are now flooded and breeding mosquitoes great numbers. 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, vector control will treat the marshes on the next suitable day.

Time and date of the application: August 31 - September 2, 6:00 a.m. - 6:00 p.m.

Method of application: Low altitude helicopter, granular 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 Wednesday and may be added, as required:

Town of Babylon Treat? Town of Brookhaven (cont.) Treat?
Sore Thumb Yes Fireplace Neck Yes
Oak Beach Yes Wertheim NWR Pending
West Gilgo Yes Manor of St. George  
Gilgo Yes Smith Point Yes
Cedar Beach Yes Johns Neck Creek Yes
Cedar Beach Golf Course   Mastic Beach Yes
Oak Island   Moriches - Crystal Brook Pending
Ox/Helicopter Island   Town of Southampton  
Gilgo Island   Stokes Poges  
Town of Islip   Jagger Lane  
Robert Moses CG Station   Aqacuck Point Yes
Clam Pond   Moneybogue Bay  
Captree   Westhampton Dunes  
Gardiner Park Yes Dune Rd (Overton)  
Admiralty/Isbrandtsen Yes Meadow Lane Yes
Scully   North Haven  
Seatuck NWR   Iron Point Yes
Islip Preserve Pending North Sea Yes
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 East Hampton  
West Oak Recreation Yes Indian Island  
West Sayville GC   Overlook - Aquebogue Yes
Namkee Creek   Crescent Duck Farm Yes
Town of Brookhaven   Aquebogue Farm  
Sayville YC   Millar Farm  
Stillman Creek   Union Ave  
Grove Ave Pending Pier Avenue Yes
Pine Neck Ave. (Swan River) Yes 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 Yes
Bellport Bay Pending Pipes Cove  
Beaverdam Creek Yes Orient Beach St Park  

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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Categories: Health, Public Works

Programs and Services

Forge River Project

The Forge River Watershed Sewer Project is one of the five projects included in the Suffolk County Coastal Resiliency Initiative. The project proposes to connect parcels in the Mastic Shirley area to a new sewer collection system that will flow to a new wastewater treatment plant and also to establish the Mastic-Shirley Sewer District.

Reclaim Our Water

Through the Suffolk County’s Septic Improvement Program Suffolk County residents may be eligible for combined State and County grants to install an Innovative and Alternative Nitrogen Removal Septic System.

Sewer District No. 3 Expansion Feasibility Study

The Suffolk County Sewer District No.3 - Southwest Expansion Project (CP 8139) conducted a Feasibility Study to identify the sanitary sewage collection and treatment infrastructure needs for six communities -- Deer Park, North Babylon, West Babylon, Wyandanch, Wheatley Heights and West Islip – to be serviced by Suffolk County Sewer District #3.

Suffolk County Space Management

The Suffolk County Space Management Steering Committee was established to oversee the allocation and utilization of space resources within the county. The committee is responsible for making decisions regarding space usage, including the acquisition or renewal of leases for county facilities, as well as planning for future spatial needs.

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901