MWRA recently conducted their 2021 Annual Drinking Water Quality Report in Waltham's local water sources

Per MWRA, every federal and state standard was met and the quality of Waltham's drinking water remains excellent. You can learn more about where our water comes from, how it's tested, and most importantly, what we do to maintain water quality in the Annual Consumer Confidence Report (CCR) here. For additional information on local water & sewer projects, please see our Engineering page.