Waltham, MA Water Quality Report

Where Your Drinking Water Comes From

The City of Waltham purchases all of its water directly from Massachusetts Water Resources Authority (MWRA) . The water is delivered through eight master water meters into the City’s water distribution system. The water distribution system consists of the network of water pipes, gate valves, fire hydrants and service laterals. The system delivers water to homes, businesses and other facilities for drinking and other uses. Waltham’s water distribution system consists of 170 miles of water mains, ranging in size from four to twenty- four inches in diameter. There are approximately 14,000 water service connections to homes and businesses. The City owns and maintains 1600 fire hydrants. There are 3,300 water gate valves in the distribution system that allow us to control the flow of water and isolate portions of the system to be shut down for repairs and maintenance.

How the MWRA Provides Safe Drinking Water

The Massachusetts Water Resource Authority maintains state-of-the-art treatment procedures and is committed to providing a reliable supply of water and to make sure your water is safe, fresh and tastes great. Redundant pipelines and tunnels allow inspection and maintenance of key facilities while ensuring uninterrupted service. The MWRA also continues to rehabilitate and replace pipelines throughout the distribution system to improve both reliability and water quality.

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