Illustrated cartographic portrait of Quabbin Reservoir

Massachusetts Lake Levels

Current water level for 5 lakes and reservoirs in Massachusetts, updated daily from public agency data.

Massachusetts lake register

Alphabetical current readings from public water agencies

Lake / reservoirLake / reservoirCurrent levelLevel7-day change7-day
Ashumet Pond43.82 ft43.8 ft-0.01 ft-0.0 ft
Assawompset Pond52.77 ft52.8 ft+0.26 ft+0.3 ft
Fresh Pond16.33 ft16.3 ft+0.16 ft+0.2 ft
Long Pond53.57 ft53.6 ft-0.02 ft-0.0 ft
Upper Mystic Lake114.74 ft114.7 ft+0.51 ft+0.5 ft

Scroll across the table for all readings →

Massachusetts lake levels: common questions

Which Massachusetts lake has changed most this week?

Upper Mystic Lake has risen the most, +0.51 ft over seven days, and Long Pond has fallen the most at -0.02 ft.

How often do Massachusetts lake levels update?

Each gauge publishes on its own schedule. Most report at least daily, some hourly. This page is rebuilt every day from the U.S. Geological Survey, and the number on an individual lake's page refreshes again in your browser when the agency posts a newer reading. Readings are provisional and can be revised.