Pachaug Pond, CT

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Pachaug Pond


Town(s): Griswold CT
County: New London

Size: 841 acres
Average Depth: 7 feet
Maximum Depth: 17 feet

Boating Allowed: Kayaks, Canoes, Sail Boats, Electric Motor Boats, Power Boats, Jet-skis, State & Local Rules & Regulations Apply
Swimming: Unknown

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Pachaug Pond is located in the town of Griswold. It is an artificial impoundment in the Thames River Drainage Basin and is the state’s largest lake east of the Connecticut River. The watershed is 33,408 acres of mostly woods or wetland with some agricultural and very little urban development. The pond is fec by the Pachaug River from Glasgo Pond, and by Burton Brook, Billings Brook and several small intermittent streams. The lake drains northward into the Pachaug River. The shoreline is wooded with a moderate amount of residential development along most of the shoreline. Approximately 1 mile of the northeast shoreline is within Pachaug State Forest and is undeveloped woods.

The transparency of the lake is turbid with visibility of 5 ft. in the summer, reduced by tea- colored stain. The bottom of the lake consists of fine sand, silt and organic muck. The fishing should be fair to good for most species.

Water Quality: No Known Issues, Town/State Monitoring
Vegetation Growth: Unknown
Non-native Species: Unknown

Fishing Comments: Should be fair to good for most species.
Fish Species: Largemouth Bass, Northern Pike, Chain Pickerel, Black Crappie, Yellow Perch, White Perch, White Catfish, Brown Bullhead, Sunfish, Bluegill, American Eel

Boat Access: Access for Power and Non-power Boats
Ramp Comments: A state-owned boat launch is located near the dam on the northern shore. Facilities at the launch include a ramp with concrete slabs, parking for 40 cars, and chemical toilets (seasonal). A marked channel provides access to the lake from the launch Area. Take Exit 85 off I-395, Rte. 138 east for 2.5 miles, access is on the right (south).
Parking Spaces: 21-40

Shoreline Development: 50-75%