Where is Lake Ivanhoe?

Lake Ivanhoe is a lake in Carroll County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.

How deep is Lake Ivanhoe?

Lake Ivanhoe has a maximum depth of 20 feet and an average depth of 11.8 feet. The lake covers 68 acres.

Are there boat ramps on Lake Ivanhoe?

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

Can I fish at Lake Ivanhoe?

Lake Ivanhoe 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 New Hampshire's fish and wildlife agency, so check its current regulations before you go.

Lake Ivanhoe

Carroll County, New Hampshire68 acresView map Directions

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

Max depth

20 ft

Bathymetric survey

Area

68 acres

Surface area

Shoreline

1.9 mi

Measured length

Impaired · Mercury
20 ft max depth
Public access

See the measurements Directions Where to stay

Lake Ivanhoe in Carroll County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 20 ft. Surface area: 68 acres.

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Lake Ivanhoe is a 68-acre lake in Carroll County, New Hampshire with a maximum depth of 20 feet (12-foot average). 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 Lake Ivanhoe is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Lake Ivanhoe is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.

Whether Lake Ivanhoe is safe to swim in today is a call for the New Hampshire Department of Environmental Services and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lake Ivanhoe

These are the measurements NHDES publishes for Lake Ivanhoe, 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 Lake Ivanhoe

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

Lake Details

Max depth

20 ft

Average depth

11.8 ft

Surface area

68 acres

Shoreline

1.9 mi

Public access

Yes

Listed by NHDES

Recreation & Access

Boat Landings

Yes

Public Access

Ivanhoe LakePublic

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

Stays via Stay22

Stays near Lake Ivanhoe

Compare lakeside cabins, hotels, and vacation rentals near Lake Ivanhoe in Carroll County, New Hampshire — 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 Lake Ivanhoe

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Fishing Lake Ivanhoe

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

EPA Impairment Status

Lake Ivanhoe is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

MercurypH / acidity

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit NHLAK600030403-03 · Official waterbody report

Nearby Lakes in Carroll County

Balch Pond-Deep SpotMesotrophic1.1 miView →Belleau Lake3.4 miView →Horn Pond3.2 miView →Pine River Pond3.2 miView →Lovell Lake—View →Province Lake—View →

Frequently asked questions about Lake Ivanhoe

Where is Lake Ivanhoe?: Lake Ivanhoe is a lake in Carroll County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Lake Ivanhoe?: Lake Ivanhoe in Carroll County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Maximum depth: 20 ft. Surface area: 68 acres.
Is Lake Ivanhoe safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Ivanhoe is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
How deep is Lake Ivanhoe?: Lake Ivanhoe has a maximum depth of 20 feet and an average depth of 11.8 feet. The lake covers 68 acres.
Are there boat ramps on Lake Ivanhoe?: Lake Ivanhoe has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ivanhoe Lake. Public access is listed as yes.
Can I fish at Lake Ivanhoe?: Lake Ivanhoe 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 New Hampshire's fish and wildlife agency, so check its current regulations before you go.