The article describes results from a research project funded in 2010-2011in part by the Water Resources Research Center through the USGS WRRI program. This project was led by Professor David Boutt of UMass Amherst Geosciences and was the Master's project of Brian Yellen in that department.
http://www.umass.edu/newsoffice/article/daily-dam-releases-massachusetts%E2%80%99