During storm of March 29-April 1, record rainfalls brought MWRA's reservoirs past holding capacity. Excess water was safely released over spillways and into tributaries and dams.

MWRA's second-largest reservoir, the Wachusett (capacity: 65 billion gallons), crested on March 31. For several hours, excess water from the reservoir was released over the Wachusett Spillway at a peak rate of 1,980 million gallons per day.

The Sudbury Reservoir, a 7.2 billion gallon emergency back-up water supply, also crested on March 31. Water was released over the Subury Dam at a peak rate of 378 million gallons per day.

The 0.5 billion gallon Framingham Reservor #3, another emergency back-up water supply, crested over its dam at at a peak rate of 425 million gallons of water per day.

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Updated November 10, 2010