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Charles River Basin Water Details - MA

The Charles River Basin, a reservoir located in Middlesex County, Massachusetts, offers convenient access to anglers with two nearby marinas and several boat launches within a mile. Just minutes from East Cambridge, Charlestown, and East Somerville, the basin is surrounded by a variety of local attractions including the Charles Riverboat Company, Spy Pond Boat Launch, and several yacht and sailing clubs. Anglers will find a range of opportunities to cast a line in this accessible and scenic waterway.

This named-water page is not a claim that fishing is legal, safe, or productive here. Check public access, local regulations, fish-consumption advisories, and posted closures before fishing.

© OpenStreetMap contributors · open Charles River Basin in OpenStreetMap or use coordinates 42.36815, -71.07033.

Current conditions & 3-day forecast

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Weather by Open-Meteo.

Water temperature & water-quality monitoring

Check the official EPA assessment (impaired-waters status and fish-consumption advisories) for Charles River Basin at How’s My Waterway (EPA).

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Monitoring summaries from the Water Quality Portal.

State fishing records

American Shad 11 lbs (1986) — Massachusetts Division of Fisheries & Wildlife
Bowfin 9 lbs (2020) — Massachusetts Division of Fisheries & Wildlife
Broodstock Salmon 22 lbs (1997) — Massachusetts Division of Fisheries & Wildlife
Brook Trout 10 lbs (2008) — Massachusetts Division of Fisheries & Wildlife
Brown Trout 19 lbs (1966) — Massachusetts Division of Fisheries & Wildlife
Bullhead 6 lbs (2008) — Massachusetts Division of Fisheries & Wildlife
Carp 46 lbs (2012) — Massachusetts Division of Fisheries & Wildlife
Chain Pickerel 9 lbs (1954) — Massachusetts Division of Fisheries & Wildlife
Channel Catfish 26 lbs (1989) — Massachusetts Division of Fisheries & Wildlife
Crappie 4 lbs (1980) — Massachusetts Division of Fisheries & Wildlife
Fallfish 2 lbs (2024) — Massachusetts Division of Fisheries & Wildlife
Lake Trout 25 lbs (2016) — Massachusetts Division of Fisheries & Wildlife
Landlocked Salmon 10 lbs (1985) — Massachusetts Division of Fisheries & Wildlife
Largemouth Bass 15 lbs (1975) — Massachusetts Division of Fisheries & Wildlife
Northern Pike 35 lbs (1988) — Massachusetts Division of Fisheries & Wildlife
Rainbow Trout 13 lbs (1999) — Massachusetts Division of Fisheries & Wildlife
Smallmouth Bass 8 lbs (1991) — Massachusetts Division of Fisheries & Wildlife
Sunfish 2 lbs (1982) — Massachusetts Division of Fisheries & Wildlife
Tiger Muskellunge 27 lbs (2001) — Massachusetts Division of Fisheries & Wildlife
Tiger Trout 9 lbs (2004) — Massachusetts Division of Fisheries & Wildlife
Walleye 11 lbs (1973) — Massachusetts Division of Fisheries & Wildlife
White Catfish 9 lbs (1987) — Massachusetts Division of Fisheries & Wildlife
White Perch 3 lbs (2016) — Massachusetts Division of Fisheries & Wildlife
White Sucker 3 lbs (2024) — Massachusetts Division of Fisheries & Wildlife
Yellow Perch 2 lbs (1979) — Massachusetts Division of Fisheries & Wildlife
American Shad 25.00 lbs (2017) — Massachusetts Division of Fisheries & Wildlife
Bowfin 32 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Brook Trout 20.75 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Brown Trout 32.00 lbs (2020) — Massachusetts Division of Fisheries & Wildlife
Bullhead 23.00 lbs (2026) — Massachusetts Division of Fisheries & Wildlife
Carp 44.00 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Chain Pickerel 32.50 lbs (2023) — Massachusetts Division of Fisheries & Wildlife
Channel Catfish 34.75 lbs (2023) — Massachusetts Division of Fisheries & Wildlife
Crappie 18.25 lbs (2019) — Massachusetts Division of Fisheries & Wildlife
Fallfish 19 lbs (2024) — Massachusetts Division of Fisheries & Wildlife
Lake Trout 39.00 lbs (2024) — Massachusetts Division of Fisheries & Wildlife
Landlocked Salmon 27.50 lbs (2024) — Massachusetts Division of Fisheries & Wildlife
Largemouth Bass 25.00 lbs (2017) — Massachusetts Division of Fisheries & Wildlife
Northern Pike 45.50 lbs (2017) — Massachusetts Division of Fisheries & Wildlife
Rainbow Trout 27.25 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Smallmouth Bass 23.5 lbs (2020) — Massachusetts Division of Fisheries & Wildlife
Sunfish 13.00 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Tiger Muskellunge 34.00 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Tiger Trout 25.50 lbs (2021) — Massachusetts Division of Fisheries & Wildlife
Walleye 29.50 lbs (2018) — Massachusetts Division of Fisheries & Wildlife
White Catfish 30.00 lbs (2018) — Massachusetts Division of Fisheries & Wildlife
White Perch 18.00 lbs (2018) — Massachusetts Division of Fisheries & Wildlife
White Sucker 23.5 lbs (2025) — Massachusetts Division of Fisheries & Wildlife
Yellow Perch 16.75 lbs (2025) — Massachusetts Division of Fisheries & Wildlife

Official MA state-record fish are published by the Massachusetts Division of Fisheries & Wildlife — records there are the state's, not a MonsterRodHolders list.

Fish species

Location facts

Marinas nearby2
Nearest marina (mi)0.21
CountyMiddlesex
Water typereservoir

Nearby towns & communities

  • East Cambridge (0.51 mi)
  • Charlestown (0.8 mi)
  • East Somerville (1.44 mi)

Nearby attractions

  • Charles Riverboat Company — source
  • Spy Pond Boat Launch — source
  • Duck Boat Ramp — source
  • Blessing of the Bay Boat Ramp — source
  • Savin Hill Yacht Club — source
  • Union Boat Club — source
  • Crimson Sailing Academy — source
  • Charlesgate Yacht Club — source

Fishing videos