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Massachusetts · Western Massachusetts

Connecticut River
water quality.

Explore the Connecticut River through western Massachusetts with public monitoring context and river science explanations.

RouteNorthfield → HolyokePublic sourceConnecticut River Conservancy

What you can explore

Open the interactive Rivistry dashboard to view available measurements, station context, historical charts, reference lines, and recent weekly highlights for Connecticut River.

Open Connecticut River dashboard

Read the context

River measurements can vary with season, rainfall, temperature, flow, sampling location, and method. Rivistry presents them as evidence to understand and investigate—not as a standalone safety determination.

For the original monitoring information, visit Connecticut River Conservancy.

Keep following changes

Weekly River Updates compare new observations with previous readings, recent baselines, trends, and applicable reference values.

See Weekly River Updates →