Nubanusit Lake-Hancock Landing
Hillsborough County, New HampshireView mapDirections
NHDES publishes the water-quality measurements for Nubanusit Lake-Hancock Landing. Here is what has been measured.
- Oligotrophic
- Impaired · Mercury
- Public access
Nubanusit Lake-Hancock Landing in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 5 µg/L.
Nubanusit Lake-Hancock Landing is a cold, clear oligotrophic lake in Hillsborough County, New Hampshire. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 35 other monitored lakes in Hillsborough County, Nubanusit Lake-Hancock Landing ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-07-30. Methodology: how these readings are compared.
What Nubanusit Lake-Hancock Landing is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Nubanusit Lake-Hancock Landing is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Nubanusit Lake-Hancock Landing 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 Nubanusit Lake-Hancock Landing
These are the measurements NHDES publishes for Nubanusit Lake-Hancock Landing, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 5 µg/L. TSI 27.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 5µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 27 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Nubanusit Lake-Hancock Landing
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Nubanusit LakehPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Nubanusit Lake-Hancock Landing
Compare lakeside cabins, hotels, and vacation rentals near Nubanusit Lake-Hancock Landing 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 Nubanusit Lake-Hancock Landing
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 Nubanusit Lake-Hancock Landing’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Nubanusit Lake-Hancock Landing
EPA Impairment Status
Nubanusit Lake-Hancock Landing is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
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 NHLAK700030103-07 · Official waterbody report
Nearby Lakes in Hillsborough County
Frequently asked questions about Nubanusit Lake-Hancock Landing
Where is Nubanusit Lake-Hancock Landing?
- Nubanusit Lake-Hancock Landing 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 Nubanusit Lake-Hancock Landing?
- Nubanusit Lake-Hancock Landing in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 5 µg/L.
Is Nubanusit Lake-Hancock Landing safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Nubanusit Lake-Hancock Landing is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Are there boat ramps on Nubanusit Lake-Hancock Landing?
- Nubanusit Lake-Hancock Landing has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Nubanusit Lakeh. Public access is listed as yes.
Can I fish at Nubanusit Lake-Hancock Landing?
- Nubanusit Lake-Hancock Landing 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.
Explore Nubanusit Lake-Hancock Landing across LakeQuality
More lakes in New Hampshire
Other Lakes in New Hampshire
Oligotrophic Lakes in New Hampshire
Where this data comes from
14 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)
1111330014 samples · 2020–2025
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
- 2130 B ~ Nephelometric Method
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