Westchester Joint Water Works Mamaroneck, New York   INVITATION TO BID   WATER TREATMENT CHEMICALS: Blended Orthophosphate / Caustic Solution (Sodium Hydroxide)/ 3” Calcium Hypochlorite Tablets / Calcium Hypochlorite Briquettes /Liquid Chlorine   1. BID DOCUMENTS & SUBMISSION/RECEIPT OF BIDS: Detailed bid documents can be obtained from The Westchester Joint Water Works by calling (914) 698-3500. Completed bid documents must be submitted in a sealed envelope plainly marked, "2026 Bid – Water Treatment Chemicals" addressed to Westchester Joint Water Works, 1625 Mamaroneck Avenue, Mamaroneck, New York 10543. Sealed bids will be received until 1:00 PM prevailing local time on Thursday, January 15, 2026, after which time bids will be opened.   2. Award of bids tentatively expected to take place at WJWW Board of Trustees meeting at the end of January 2026. The Westchester Joint Water Works reserves the right to reject any or all bids.   Westchester Joint Water Works Paul Kutzy, P.E. Manager (914) 698-3500                             Dated: December 26, 2025         11949166