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

Hoar Pond

Rockingham County, New Hampshire28 acresView map Directions

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

Area

28 acres

Surface area

Shoreline

1.3 mi

Measured length

Impaired · Mercury

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Hoar Pond in Rockingham County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 28 acres.

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Hoar Pond is a 28-acre lake in Rockingham County, New Hampshire.

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

Swimming conditions

No reading

Not rated

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

Whether Hoar Pond 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 Hoar Pond

These are the measurements NHDES publishes for Hoar Pond, 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 Hoar Pond

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

Lake Details

Surface area

28 acres

Shoreline

1.3 mi

No bathymetric survey has been published for Hoar Pond, so its depth is not documented here.

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Stays near Hoar Pond

Compare lakeside cabins, hotels, and vacation rentals near Hoar Pond in Rockingham 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.

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Fishing Hoar Pond

→ Hoar Pond fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit NHIMP600030703-06 · Official waterbody report

Nearby Lakes in Rockingham County

Pawtuckaway Lake-NorthEutrophic3.8 miView →Pawtuckaway Lake-Drowns Dam4.5 miView →Pawtuckaway Lake-Dolloff DamOligotrophic3.9 miView →Nottingham Lake—View →Pawtuckaway Lake-SouthMesotrophic4.4 miView →Governors Lake-Deep SpotMesotrophic5.3 miView →

Frequently asked questions about Hoar Pond

Where is Hoar Pond?: Hoar Pond is a lake in Rockingham County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Hoar Pond?: Hoar Pond in Rockingham County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 28 acres.
Is Hoar Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Hoar Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.