LAWRENCE — The Merrimack River Watershed Council (MRWC) released its analysis of 2024 water quality data, raising questions about dangerous fecal bacteria levels in specific segments of the Merrimack River.

In 2024, MRWC conducted baseline water quality monitoring throughout the year and also tested for three days after significant combined sewer overflows (CSOs). MRWC tested for basic ecological parameters (pH, salinity, total dissolved solids, conductivity and temperature) as well as fecal bacteria.

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