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ERIE COUNTY WATER AUTHORITY 3030 Union Road • Cheektowaga, New York 14227-1097 716-684-1510 • FAX 716-684-3937 December 3, 2021 The Honorable Jason Keding Supervisor of Town of Boston 8500 Boston State Rd. Boston, NY 14025 Re: Secondary Supply to Town of Boston ECWA Project No.: 199300453 Dear Supervisor Keding: As you are aware, the Town of Boston recently experienced a service interruption due to a watermain break near 8081 Boston State Road (CW #63509). This main is supplied via a single transmission main along Boston State Road and as such, due to the interruption the entire service area south of the break was out of service. Unfortunately, this event resulted in the need to issue a boil water notice for the area due to the length of time that the mains in the area were shut down. Due to the lack of redundancy within the Town’s water system and the history of deterioration of the single transmission main along Boston State Road, the frequency of service interruptions like the one experienced in September will most likely increase in the future. In response to this event, the Erie County Water Authority (ECWA) is recommending that the Town start exploring their options for a secondary feed. ECWA conducted a preliminary review of three alternatives to supply a secondary source of water supply to the area south of Liebler Road. The three alternatives include the following and are shown graphically on Figure 1: • Alternative 1 – Wohlhueter Tank Service Area via Boston Colden Road • Alternative 2 – Wohlhueter Tank Service Area via Boston Cross Road • Alternative 3 – Rice Hill Tank Service Area via Polish Hill / Hillcroft Road Note that our evaluation was only preliminary and as such each alternative should be vetted further by a consultant to develop a Basis of Design report. Our review was only to provide proof of concept and not for development of detailed design drawings and construction. A cost benefit analysis should also be conducted comparing the cost of a secondary feed to a capital improvement project for the Boston State Road transmission main. Alternative 1 – Wohlhueter Tank Service Area via Boston Colden Road Implementation of Alternative 1 would require the installation of approximately 7,900 LF of 10” watermain from the existing dead end along Boston Colden Road (west of Powerline Road) to Cole Road, then north along Cole Road until the existing dead end near 8859 Cole Road. This alignment would require two trenchless road crossings, 4 PRV chambers, and 14 gate valves. The