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

May Pond

Sullivan County, New Hampshire113 acresView map Directions

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

Area

113 acres

Surface area

Impaired · Mercury

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May Pond in Sullivan County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 113 acres.

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May Pond is a 113-acre lake in Sullivan 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. May Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.

Whether May 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 May Pond

These are the measurements NHDES publishes for May 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 May Pond

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

Lake Details

Surface area

113 acres

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

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Stays near May Pond

Compare lakeside cabins, hotels, and vacation rentals near May Pond in Sullivan 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 May Pond

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

EPA Impairment Status

May Pond 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 NHLAK802010101-05 · Official waterbody report

Nearby Lakes in Sullivan County

Butterfield Pond0.5 miView →North Pond0.9 miView →Halfmoon Pond-Deep Spot3.5 miView →Millen Pond-Deep SpotMesotrophic4.3 miView →Long Pond-Deep SpotOligotrophic3.9 miView →Rand Pond-Deep SpotMesotrophic—View →

Frequently asked questions about May Pond

Where is May Pond?: May Pond is a lake in Sullivan County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of May Pond?: May Pond in Sullivan County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 113 acres.
Is May Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. May Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.