Sink or Float
Experiment, observe, and explore objects that sink or float!
CWD
Contact the Cambridge Water Department
CWDLAB
Contact the Cambridge Water Department's Laboratory
Cancelled: Fresh Pond Day 2025
Cancelled: Fresh Pond Day -- the Cambridge Water Department's annual festival-style celebration of water, community, and sustainability -- has unfortunately been cancelled due to the weather forecast.
Rain Gardens for Resiliency
Rain gardens are engineered to use specific soil and plants that absorb and filter stormwater, and are a cost-effective, beautiful way to naturally clean runoff and protect from flooding. Green infrastructure has never looked so good!
Businesses
Business call do their part to keep waterways clean.
Half Folds
Information about how to protect water quality.