Services providedWater and Sewer City of WalthamWebsitehttps://www.city.waltham.ma.us/Phone781-314-3000Community Letter 2023 /node/6442Current Year (2023) Annual Water Quality Test Result/Community LetterPrevious Annual Water Quality Test Results/Community LettersWaltham 2022 Annual Water Quality Test Result/Community LetterWaltham 2021 Annual Water Quality Test Result/Community LetterWaltham 2020 Annual Water Quality Test Result/Community Letter [PDF/4.5MB]Waltham 2019 Annual Water Quality Test Results/Community Letter [PDF/5.8MB]Waltham 2018 Annual Water Quality Test Results/Community Letter [PDF/3.3MB]Waltham 2017 Annual Water Quality Test Results/Community Letter [PDF/3.6MB]Waltham 2016 Annual Water Quality Test Results/Community Letter [PDF/3.8MB]Waltham 2015 Annual Water Quality Test Results/Community Letter [PDF/3.8MB]Waltham 2014 Annual Water Quality Test Results/Community Letter [PDF/3.7MB]Waltham 2013 Annual Water Quality Test Results/Community Letter [PDF/3.1MB]Waltham 2012 Annual Water Quality Test Results/Community Letter [PDF/77KB]Waltham 2011 Annual Water Quality Test Results/Community Letter [PDF/158KB]
