Spofford Lake
Cheshire County, New Hampshire731 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- Public access
- Limited data
Spofford Lake in Cheshire County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 731 acres.
Spofford Lake is a 731-acre lake in Cheshire County, New Hampshire. 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, last sampled 2023-12-04. Methodology: how these readings are compared.
What Spofford Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Spofford Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Whether Spofford Lake 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.
Water quality measurements for Spofford Lake
These are the measurements NHDES publishes for Spofford Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Spofford Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
731 acres
Public access
Yes
Listed by NHDES
No bathymetric survey has been published for Spofford Lake, so its depth is not documented here.
Recreation & Access
- Pierce IslandPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Spofford Lake
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Fishing Spofford Lake
Reservoir Info (USACE NID)
Spofford Lake is a man-made reservoir impounded by the Spofford Lake Dam (completed 1919), built primarily for recreation on the Partridge Brook; earth-type dam, 11 ft tall and 83 ft long.
- Surface area
- 731 ac
- Normal storage
- 6,030 ac-ft
- Max storage
- 10,650 ac-ft
- Drainage area
- 3.88 sq mi
- Hazard class
- Significant
- Owner
- TOWN OF CHESTERFIELD
Source: USACE National Inventory of Dams, NID ID NH00356 · Operator website
EPA Impairment Status
Spofford Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK801070503-01-01 · Official waterbody report
Nearby Lakes in Cheshire County
Frequently asked questions about Spofford Lake
Where is Spofford Lake?
- Spofford Lake is a lake in Cheshire County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Spofford Lake?
- Spofford Lake in Cheshire County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 731 acres.
Is Spofford Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Spofford Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Are there boat ramps on Spofford Lake?
- Spofford Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Pierce Island. Public access is listed as yes.
Can I fish at Spofford Lake?
- Spofford Lake 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.
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Where this data comes from
3 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
111133003 samples · 2023
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory