Lake Waukewan-Boat Launch
Belknap County, New Hampshire360 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Biotoxins
- Public access
- Limited data
Lake Waukewan-Boat Launch in Belknap County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 360 acres.
Lake Waukewan-Boat Launch is a 360-acre lake in Belknap County, New Hampshire. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-04-06. Methodology: how these readings are compared.
What Lake Waukewan-Boat Launch is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Lake Waukewan-Boat Launch is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Whether Lake Waukewan-Boat Launch 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 Lake Waukewan-Boat Launch
These are the measurements NHDES publishes for Lake Waukewan-Boat Launch, 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 Lake Waukewan-Boat Launch
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
360 acres
Public access
Yes
Listed by NHDES
No bathymetric survey has been published for Lake Waukewan-Boat Launch, so its depth is not documented here.
Recreation & Access
- Lake WinnipesaukeePublic
- Lake WaukewanPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Waukewan-Boat Launch
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Fishing Lake Waukewan-Boat Launch
Reservoir Info (USACE NID)
Lake Waukewan-Boat Launch is a man-made reservoir impounded by the Lake Waukewan Dam (completed 1872), built primarily for recreation on the Ashuelot River; concrete-type dam, 13 ft tall and 190 ft long.
- Surface area
- 360 ac
- Normal storage
- 2,760 ac-ft
- Max storage
- 3,588 ac-ft
- Drainage area
- 26.09 sq mi
- Hazard class
- High
- Owner
- ASHUELOT POND DAM VILLAGE DISTRICT
Source: USACE National Inventory of Dams, NID ID NH00306 · Operator website · Matched by proximity (0.94 km)
EPA Impairment Status
Lake Waukewan-Boat Launch 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, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK700020108-02-01 · Official waterbody report
Nearby Lakes in Belknap County
Frequently asked questions about Lake Waukewan-Boat Launch
Where is Lake Waukewan-Boat Launch?
- Lake Waukewan-Boat Launch is a lake in Belknap County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Lake Waukewan-Boat Launch?
- Lake Waukewan-Boat Launch in Belknap County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 360 acres.
Is Lake Waukewan-Boat Launch safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Waukewan-Boat Launch is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.
Are there boat ramps on Lake Waukewan-Boat Launch?
- Lake Waukewan-Boat Launch has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Winnipesaukee, Lake Waukewan. Public access is listed as yes.
Can I fish at Lake Waukewan-Boat Launch?
- Lake Waukewan-Boat Launch has 2 documented boat landings 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
5 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
111133005 samples · 2020–2025
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