Where is Crystal Lake?

Crystal Lake is a lake in Lower Connecticut River Valley County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.

How deep is Crystal Lake?

Crystal Lake has a maximum depth of 27 feet. The lake covers 31 acres.

Are there boat ramps on Crystal Lake?

Crystal Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Crystal Lake. Public access is listed as yes.

Can I fish at Crystal Lake?

Crystal Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Connecticut's fish and wildlife agency, so check its current regulations before you go.

Crystal Lake

Lower Connecticut River Valley County, Connecticut31 acresView map Directions

No nutrient or algae sampling on record from CT DEEP for this lake.

Max depth

27 ft

Bathymetric survey

Area

31 acres

Surface area

Shoreline

2 mi

Measured length

Impaired · Pathogens (E. coli, fecal)
27 ft max depth
Public access

See the measurements Directions Where to stay

Crystal Lake in Lower Connecticut River Valley County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Maximum depth: 27 ft. Surface area: 31 acres.

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Crystal Lake is a 31-acre lake in Lower Connecticut River Valley County, Connecticut with a maximum depth of 27 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Crystal Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Crystal Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.

Whether Crystal Lake is safe to swim in today is a call for the Connecticut Department of Energy and Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Crystal Lake

These are the measurements CT DEEP publishes for Crystal Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Crystal Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

27 ft

Surface area

31 acres

Shoreline

2 mi

Public access

Yes

Listed by CT DEEP

The depth above comes from a bathymetric survey of this lake, not from a regional estimate.

Recreation & Access

Boat Landings

Yes

Public Access

Crystal LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

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Stays near Crystal Lake

Compare lakeside cabins, hotels, and vacation rentals near Crystal Lake in Lower Connecticut River Valley County, Connecticut — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Crystal Lake

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Fishing Crystal Lake

→ Crystal Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Crystal Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Pathogens (E. coli, fecal)

Designated uses not supporting: Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit CT4013-05-1-L1_01 · Official waterbody report

Nearby Lakes in Lower Connecticut River Valley County

Dooley Pond1.7 miView →Millers Pond3.1 miView →Laurel Brook Reservoir2.4 miView →Pecausett Pond3.4 miView →Jobs Pond4.3 miView →Higganum Reservoir4.6 miView →

Frequently asked questions about Crystal Lake

Where is Crystal Lake?: Crystal Lake is a lake in Lower Connecticut River Valley County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Crystal Lake?: Crystal Lake in Lower Connecticut River Valley County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Maximum depth: 27 ft. Surface area: 31 acres.
Is Crystal Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Crystal Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
How deep is Crystal Lake?: Crystal Lake has a maximum depth of 27 feet. The lake covers 31 acres.
Are there boat ramps on Crystal Lake?: Crystal Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Crystal Lake. Public access is listed as yes.
Can I fish at Crystal Lake?: Crystal Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Connecticut's fish and wildlife agency, so check its current regulations before you go.