To help prevent the spread of coronavirus (COVID-19) and protect the health of our employees and vendors, the Suffolk County Water Authority (SCWA) Purchasing Department is suspending all public bid openings.

All bids and/or proposals shall be delivered by mail, overnight carrier. Bids and/or proposals shall be opened by Purchasing Personnel. If you submitted a Bid / Proposal, you may request a Bid Tabulation via email.


The Suffolk County Water Authority post its solicitations on this website and has partnered with BidNet as part of the Empire State Purchasing Group, additional website where bid opportunities are posted.  As a vendor, you can register with the Empire State Purchasing Group to ensure that you see all available bids and opportunities. In addition bids can be submitted electronically thru Empire State Purchasing Group website. By selecting automatic bid notification, your company will receive emails once SCWA has a bid opportunity that matches your company's business. In addition, the site handles bid opportunities, RFPs, and RFQs for other member governmental agencies throughout New York.
SCWA seeks to provide as much bid information as possible in order to simplify the process.  We appreciate your cooperation and welcome your participation.  If you need help registering, please call the Empire State Purchasing Group support department toll free 1-800-835-4603

In an effort to improve efficiency, Suffolk County Water Authority (SCWA)will no longer be physically mailing and posting, in print / static format, it’s “Notice to Bidders”, in Newsday, effective March 1, 2020. Interested bidders may access the following referenced websites for the posting of procurement opportunities.  

(Empire State Purchasing Group) -

Link to open/closed SCWA bids on additional sites:
Link to SCWA vendor registration screen:
SCWA solicits bids for many different goods and services. To view our Procurement Contact Policy please click, Review Policy.

Registered vendors automatically receive bid notification via email, informing them that SCWA is currently seeking products or services in the categories selected by the vendor. If you have not yet registered on either of the sites but wish to only register on SCWA , please click, New Vendor Registration (SCWA Only)

If you are a registered vendor, complete documents may be obtained just by clicking the more info box for that particular bid. However, if you choose not to register, bid documents can be obtained at the SCWA Purchasing Department, 3525 Sunrise Highway, 2nd Floor Great River, N.Y. 11739.

Bid Results Download  (You need Adobe Acrobat to view.)

*Contractors must be registered and must log-in to access Contract Documents, Question & Answers and Addenda.

Results: 7 Solicitations found.
Contract No Description Bid Open Date More Info
7739 - Addendum 2

Furnish and Deliver Sixteen (16) Advanced Oxidation Process Treatment Systems

Addendum 2



Turf Establishment Work at Various Authority-Owned Properties.


Addendum #1


Testing of Pumping Equipment

Addendum #1


Furnish & Deliver Hydrants, Hydrant Tops and Parts

Addendum 1


Furnishing and Delivery of Cement Lined Ductile Iron Pipe

Addendum 1

RFP 1564 - Addendum #3


Test Boring Soil Investigation, Town Line Rd Reservoir Site, Wainscott, Town of East Hampton, for a concrete Ground Storage Reservoir.


Addendum #1

Addendum #2

Addendum #3


Furnish & Deliver Barricade Boards

Addendum 1

Addendum 2

Results: 7 Solicitations found.
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