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2025 Annual Drinking Water Quality Report

Cambridge Water Department 2025 annual drinking water quality report can be accessed using the link below.

2025 Annual Drinking Water Quality Report

The Cambridge Water Department temporarily switched to Massachusetts Water Resource Authority (MWRA) water on December 9, 2025 and resumed using the city-owned water supply on December 10, 2025 for an emergency repair project. The Link below provides water quality data for the MWRA water during this time period.

Information About MWRA Water

Mark Gallagher
Managing Director

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2025 Annual Drinking Water Quality Report

Water Operations Division

Mark Gallagher Managing Director

Mark Gallagher
Managing Director