Where is Pennichuck Pond?

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

Pennichuck Pond

Hillsborough County, New Hampshire55 acresView map Directions

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

Area

55 acres

Surface area

Shoreline

1.7 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Pennichuck Pond in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 55 acres.

Loading map…

Pennichuck Pond is a 55-acre lake in Hillsborough 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. Pennichuck Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Pennichuck 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.

Compare swimming lakes near Albany →

Get alerts for Pennichuck Pond →

Water quality measurements for Pennichuck Pond

These are the measurements NHDES publishes for Pennichuck 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 Pennichuck Pond

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

Lake Details

Surface area

55 acres

Shoreline

1.7 mi

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

Stays via Stay22

Stays near Pennichuck Pond

Compare lakeside cabins, hotels, and vacation rentals near Pennichuck Pond in Hillsborough 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 Pennichuck Pond

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Pennichuck Pond’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Pennichuck Pond

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

EPA Impairment Status

Pennichuck 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 NHLAK700061001-11 · Official waterbody report

Nearby Lakes in Hillsborough County

Dunklee Pond2.1 miView →Naticook Lake2.5 miView →Flints Pond3 miView →Silver Lake-Deep SpotOligotrophic3 miView →Greens Pond3.1 miView →Bowers Pond3.3 miView →

Frequently asked questions about Pennichuck Pond

Where is Pennichuck Pond?: Pennichuck Pond is a lake in Hillsborough County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Pennichuck Pond?: Pennichuck Pond in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 55 acres.
Is Pennichuck Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Pennichuck Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.