LOWELL — The flood stage level of the Merrimack River is 52 feet, and ever-so-briefly on May 11, it exceeded that threshold, recording a year-to-date high of 52.30 feet, before quickly receeding.
An MWRA wet weather sewage discharge outfall warning on the Charles River by the outlet of Boston's Muddy River. (Robin Lubbock/WBUR) People living in communities along the Merrimack River are at ...