Massachusetts · SuAsCo watershed
Sudbury River
Explore public water-quality data, monitoring context, and recent river highlights for the Sudbury River in Massachusetts.
Southborough → ConcordView river page →River directory
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Browse all 47 Rivistry river pages by state, watershed, and region. Each page connects a river to its monitoring context and source information.
Massachusetts
31 riversSuAsCo watershed
Massachusetts · SuAsCo watershed
Assabet River
Follow the Assabet River through central Massachusetts with Rivistry's public monitoring summaries and river science context.
Westborough → ConcordView river page →Massachusetts · SuAsCo watershed
Concord River
Explore the Concord River and learn how public measurements help explain changing conditions across the watershed.
Concord → LowellView river page →Greater Boston
Massachusetts · Greater Boston
Charles River
Explore water-quality context for the Charles River from the western suburbs through Boston Harbor.
Watertown → Boston HarborView river page →Massachusetts · Greater Boston
Mystic River
Explore public monitoring context for the Mystic River and its urban watershed.
Arlington → Boston HarborView river page →Massachusetts · Greater Boston
Neponset River
Explore the Neponset River, recent official signals, and explanations of the measurements used to understand river health.
Canton → Boston HarborView river page →Massachusetts · Greater Boston
Aberjona River
Follow the Aberjona through Woburn and Winchester to the Upper Mystic Lake.
Woburn → Mystic LakesView river page →Massachusetts · Greater Boston
Malden River
Trace this urban tributary from Malden and Everett to its confluence with the Mystic.
Malden → Mystic RiverView river page →Massachusetts · Greater Boston
Saugus River
Explore the Saugus from its inland headwaters through tidal marshes to Lynn Harbor.
Wakefield → Lynn HarborView river page →Massachusetts · Greater Boston
Weymouth Fore River
Follow the estuarine Fore River between Braintree, Weymouth, and Quincy toward Hingham Bay.
Braintree → Hingham BayView river page →Massachusetts · Greater Boston
Weymouth Back River
Explore the Back River from its freshwater tributaries into the tidal Weymouth estuary.
Rockland → Hingham BayView river page →Northeast Massachusetts
Massachusetts · Northeast Massachusetts
Merrimack River
Follow the Merrimack River across northeastern Massachusetts and explore its monitoring context.
Lowell → NewburyportView river page →Massachusetts · Northeast Massachusetts
Shawsheen River
Follow the Shawsheen through Bedford, Tewksbury, Andover, and Lawrence to the Merrimack.
Bedford → LawrenceView river page →North Shore
Massachusetts · North Shore
Ipswich River
Explore Ipswich River monitoring context, watershed information, and recent river highlights.
North Reading → Ipswich BayView river page →Massachusetts · North Shore
Parker River
Explore the Parker from inland wetlands through Newbury's tidal landscape.
Georgetown → Plum Island SoundView river page →Central Massachusetts
Massachusetts · Central Massachusetts
Blackstone River
Explore the Blackstone River and learn how water-quality measurements reflect a changing industrial watershed.
Worcester → BlackstoneView river page →Massachusetts · Central Massachusetts
Nashua River
Follow the Nashua north through central Massachusetts to the New Hampshire state line.
Clinton → PepperellView river page →Massachusetts · Central Massachusetts
French River
Explore the French River through Oxford, Webster, and Dudley on its way south.
Leicester → ConnecticutView river page →Massachusetts · Central Massachusetts
Quinebaug River
Trace the Quinebaug through the lakes and communities of south-central Massachusetts.
Sturbridge → DudleyView river page →Western Massachusetts
Massachusetts · Western Massachusetts
Connecticut River
Explore the Connecticut River through western Massachusetts with public monitoring context and river science explanations.
Northfield → HolyokeView river page →Massachusetts · Western Massachusetts
Deerfield River
Trace the Deerfield River and explore public measurements, source information, and recent highlights.
Charlemont → MontagueView river page →Massachusetts · Western Massachusetts
Westfield River
Explore the Westfield as its branches leave the Berkshire highlands and join on the way to the Connecticut River.
Hilltowns → AgawamView river page →Massachusetts · Western Massachusetts
Millers River
Follow the Millers east-to-west through Athol, Orange, and Erving to the Connecticut River.
Athol → Connecticut RiverView river page →Southeastern Massachusetts
Massachusetts · Southeastern Massachusetts
Taunton River
Explore the Taunton River and the public data used to understand its freshwater and tidal reaches.
Bridgewater → Mount Hope BayView river page →Massachusetts · Southeastern Massachusetts
Ten Mile River
Explore this compact urban watershed through North Attleborough, Attleboro, and Seekonk.
Plainville → SeekonkView river page →Massachusetts · Southeastern Massachusetts
Wading River
Follow the Wading through forest, wetland, and developing communities toward the Three Mile River.
Mansfield → RehobothView river page →Massachusetts · Southeastern Massachusetts
North River
Trace the South Shore's scenic North River through Hanover, Pembroke, and Marshfield.
Hanover → Massachusetts BayView river page →Berkshires
Massachusetts · Berkshires
Housatonic River
Explore Housatonic River monitoring context from the Berkshires to the Connecticut border.
Pittsfield → SheffieldView river page →Massachusetts · Berkshires
Hoosic River
Trace the Hoosic north through Adams and North Adams toward Vermont and New York.
Cheshire → WilliamstownView river page →Massachusetts · Berkshires
Farmington River
Explore the Farmington's cold Berkshire headwaters before the river enters Connecticut.
Otis → New MarlboroughView river page →Cape Cod
Massachusetts · Cape Cod
Herring River
Explore the tidal Herring River system through Wellfleet's marshes and Cape Cod Bay.
Wellfleet → Cape Cod BayView river page →Connecticut
8 riversConnecticut Valley
Connecticut · Connecticut Valley
Connecticut River
Follow the Connecticut through the heart of the state from Enfield and Hartford toward the tidal lower river.
Enfield → Middle HaddamView river page →Connecticut · Connecticut Valley
Farmington River
Trace the Farmington from its cool upper reaches through Simsbury and into the Connecticut River watershed.
Winsted → FarmingtonView river page →Western Highlands
Connecticut · Western Highlands
Housatonic River
Explore the Housatonic from the western hills through New Milford and Derby to Long Island Sound.
New Milford → StratfordView river page →Connecticut · Western Highlands
Naugatuck River
Follow the recovering Naugatuck through its historic mill cities toward the Housatonic confluence.
Torrington → DerbyView river page →Central Coast
Connecticut · Central Coast
Quinnipiac River
Trace the Quinnipiac south through Wallingford and North Haven to the tidal New Haven Harbor.
Meriden → New HavenView river page →Connecticut · Central Coast
Norwalk River
Explore the Norwalk from Ridgefield and Wilton through the city to Long Island Sound.
Ridgefield → Norwalk HarborView river page →Eastern Connecticut
Connecticut · Eastern Connecticut
Thames River
Follow the tidal Thames from the Shetucket–Yantic confluence at Norwich to Long Island Sound.
Norwich → New LondonView river page →Connecticut · Eastern Connecticut
Quinebaug River
Trace the Quinebaug through the Quiet Corner toward its meeting with the Shetucket system.
Putnam → NorwichView river page →New Hampshire
8 riversNorth Country
New Hampshire · North Country
Connecticut River
Follow the Connecticut from New Hampshire's northern headwaters south along the Vermont border.
Pittsburg → West LebanonView river page →New Hampshire · North Country
Androscoggin River
Explore the Androscoggin through the North Country from Errol, Berlin, and Gorham toward Maine.
Errol → ShelburneView river page →White Mountains
New Hampshire · White Mountains
Pemigewasset River
Trace the Pemigewasset from the White Mountains through Lincoln and Plymouth to the Merrimack.
Franconia Notch → FranklinView river page →New Hampshire · White Mountains
Saco River
Follow the Saco from Crawford Notch through Bartlett and Conway toward Maine.
Crawford Notch → ConwayView river page →Merrimack Valley
New Hampshire · Merrimack Valley
Merrimack River
Follow the Merrimack through Concord, Manchester, and Nashua toward Massachusetts.
Franklin → NashuaView river page →New Hampshire · Merrimack Valley
Contoocook River
Explore the Contoocook through the Monadnock foothills and central New Hampshire to the Merrimack.
Jaffrey → PenacookView river page →Seacoast & Monadnock
New Hampshire · Seacoast & Monadnock
Lamprey River
Trace the Lamprey through forests, farms, and tidal Newmarket on its way to Great Bay.
Northwood → NewmarketView river page →New Hampshire · Seacoast & Monadnock
Ashuelot River
Follow the Ashuelot from the Monadnock highlands through Keene to the Connecticut River.
Washington → HinsdaleView river page →