Where is Parker Reservoir?

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

Parker Reservoir

Grafton County, New Hampshire39 acresView map Directions

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

Area

39 acres

Surface area

Shoreline

1.2 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Parker Reservoir in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 39 acres.

Loading map…

Parker Reservoir is a 39-acre lake in Grafton 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. Parker Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Parker Reservoir 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 Parker Reservoir →

Water quality measurements for Parker Reservoir

These are the measurements NHDES publishes for Parker Reservoir, 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 Parker Reservoir

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

Lake Details

Surface area

39 acres

Shoreline

1.2 mi

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

Stays via Stay22

Stays near Parker Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Parker Reservoir in Grafton 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 Parker Reservoir

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 Parker Reservoir’s readings

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

Or email

Fishing Parker Reservoir

→ Parker Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Parker Reservoir 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 NHLAK801040402-04 · Official waterbody report

Nearby Lakes in Grafton County

Fletcher Reservoir0.6 miView →Boston Lot Lake4.3 miView →Post Pond-Deep SpotMesotrophic—View →Goose Pond-Deep SpotMesotrophic7.3 miView →Post Pond-Town Beach—View →Smith Pond—View →

Frequently asked questions about Parker Reservoir

Where is Parker Reservoir?: Parker Reservoir is a lake in Grafton County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Parker Reservoir?: Parker Reservoir in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 39 acres.
Is Parker Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Parker Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.