Services providedWater and Sewer City of BostonWebsitehttps://www.boston.gov/Phone617-989-7000Community Letter 2023 /node/6432Current Year (2023) Annual Water Quality Test Result/Community LetterPrevious Annual Water Quality Test Results/Community LettersBoston 2022 Annual Water Quality Test Result/Community LetterBoston 2021 Annual Water Quality Test Result/Community LetterBoston 2020 Annual Water Quality Test Result/Community Letter [PDF/4.5MB]Boston 2019 Annual Water Quality Test Results/Community Letter [PDF/5.8MB]Boston 2018 Annual Water Quality Test Results/Community Letter [PDF/2.8MB]Boston 2017 Annual Water Quality Test Results/Community Letter [PDF/3.6MB]Boston 2016 Annual Water Quality Test Results/Community Letter [PDF/3.8MB]Boston 2015 Annual Water Quality Test Results/Community Letter [PDF/3.7MB]Boston 2014 Annual Water Quality Test Results/Community Letter [PDF/217KB]Boston 2013 Annual Water Quality Test Results/Community Letter [PDF/90KB]Boston 2012 Annual Water Quality Test Results/Community Letter [PDF/67KB]Boston 2011 Annual Water Quality Test Results/Community Letter [PDF/125KB]