Water quality grades are in for Boston-area rivers: How did the Charles, Mystic and Neponset score?

The annual water quality grades for the three rivers that flow into Boston Harbor -- the Charles, Mystic and Neponset rivers -- were released on Thursday, revealing a mix of progress and sliding scores across the region.

Massachusetts – Page 33 – Boston Herald

Announcing the 2022 Three Rivers Report Cards — Mystic River Watershed Association

Water quality in Boston's rivers was mostly good in 2021. But sewage and climate change threats remain

From the Community to the EPA: Boston Area River Report Cards - Urban Waters Learning Network

Announcing the 2022 Three Rivers Report Cards — Mystic River Watershed Association

Report cards show progress, problems at rivers like the Neponset

Malden River Sub-Watershed Analysis

Full ecoregional plan - Conservation Gateway

For Campbell, case against Malden charter school is also good

Water Quality Reports & Data — Charles River Watershed Association