Noone Falls Mill Dam Lake
Hillsborough County, New Hampshire19 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
- Public access
- Limited data
Noone Falls Mill Dam Lake in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 19 acres.
Noone Falls Mill Dam Lake is a 19-acre lake in Hillsborough County, New Hampshire. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-07-12. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Noone Falls Mill Dam Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pH / acidity. Check local advisories before you swim.
Whether Noone Falls Mill Dam 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 Noone Falls Mill Dam Lake
These are the measurements NHDES publishes for Noone Falls Mill Dam 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 Noone Falls Mill Dam Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
19 acres
Public access
Yes
Listed by NHDES
No bathymetric survey has been published for Noone Falls Mill Dam Lake, so its depth is not documented here.
Stays via Stay22
Stays near Noone Falls Mill Dam Lake
Compare lakeside cabins, hotels, and vacation rentals near Noone Falls Mill Dam Lake 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 Noone Falls Mill Dam Lake
Prices for Oct 9–11, 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 Noone Falls Mill Dam Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Noone Falls Mill Dam Lake
Reservoir Info (USACE NID)
Noone Falls Mill Dam Lake is a man-made reservoir impounded by the Noone Mills (completed 1938), built primarily for hydroelectric on the Contoocook River; concrete-type dam, 14 ft tall and 176 ft long.
- Surface area
- 19 ac
- Normal storage
- 135 ac-ft
- Max storage
- 135 ac-ft
- Drainage area
- 6 sq mi
- Hazard class
- Significant
- Owner
- The Cobbs, LLC
Source: USACE National Inventory of Dams, NID ID NH00427 · Operator website · Matched by proximity (0.08 km)
EPA Impairment Status
Noone Falls Mill Dam 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 NHIMP700030104-04 · Official waterbody report
Nearby Lakes in Hillsborough County
Frequently asked questions about Noone Falls Mill Dam Lake
Where is Noone Falls Mill Dam Lake?
- Noone Falls Mill Dam Lake 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 Noone Falls Mill Dam Lake?
- Noone Falls Mill Dam Lake in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 19 acres.
Is Noone Falls Mill Dam Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Noone Falls Mill Dam Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pH / acidity. Check local advisories before you swim.
Can I fish at Noone Falls Mill Dam Lake?
- Public access to Noone Falls Mill Dam Lake is listed as yes on the lake record. 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.
Explore Noone Falls Mill Dam Lake across LakeQuality
More lakes in New Hampshire
Other Lakes in New Hampshire
Where this data comes from
15 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
1111330015 samples · 2020–2022
Analytical methods
- Turbidity by Nephelometry
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