Services providedWater and Sewer Town of WinthropWebsitehttps://www.winthropma.gov/Phone617-846-1852Community Letter 2023 /node/6443Current Year (2023) Annual Water Quality Test Result/Community LetterPrevious Annual Water Quality Test Results/Community LettersWinthrop 2022 Annual Water Quality Test Result/Community LetterWinthrop 2021 Annual Water Quality Test Result/Community LetterWinthrop 2020 Annual Water Quality Test Result/Community Letter [PDF/4.4MB]Winthrop 2019 Annual Water Quality Test Results/Community Letter [PDF/5.8MB]Winthrop 2018 Annual Water Quality Test Results/Community Letter [PDF/3.3MB]Winthrop 2017 Annual Water Quality Test Results/Community Letter [PDF/3.6MB]Winthrop 2016 Annual Water Quality Test Results/Community Letter [PDF/3.8MB]Winthrop 2015 Annual Water Quality Test Results/Community Letter [PDF/4.3MB]Winthrop 2014 Annual Water Quality Test Results/Community Letter [PDF/211KB]Winthrop 2013 Annual Water Quality Test Results/Community Letter [PDF/107KB]Winthrop 2012 Annual Water Quality Test Results/Community Letter [PDF/76KB]Winthrop 2011 Annual Water Quality Test Results/Community Letter [PDF/168KB]