Nutt Pond-Deep Spot
Hillsborough County, New HampshireView mapDirections
NHDES publishes the water-quality measurements for Nutt Pond-Deep Spot. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Public access
Nutt Pond-Deep Spot in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 26.8 µg/L. Chlorophyll-a (algae): 7.4 µg/L.
Nutt Pond-Deep Spot is a productive, nutrient-rich eutrophic 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, Nutt Pond-Deep Spot ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-27. Methodology: how these readings are compared.
What Nutt Pond-Deep Spot is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyRecreation use not supported
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. Nutt Pond-Deep Spot is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nuisance exotic species, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, salinity / chlorides. Check local advisories before you swim.
Whether Nutt Pond-Deep Spot 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 Nutt Pond-Deep Spot
These are the measurements NHDES publishes for Nutt Pond-Deep Spot, 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 26.8 µg/L. Chlorophyll-a 7.4 µg/L. TSI 51.
| 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 | 26.8µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 7.4µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Nutt Pond-Deep Spot
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Precourt ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fishing Nutt Pond-Deep Spot
EPA Impairment Status
Nutt Pond-Deep Spot 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 NHLAK700060803-01 · Official waterbody report
Nearby Lakes in Hillsborough County
Frequently asked questions about Nutt Pond-Deep Spot
Where is Nutt Pond-Deep Spot?
- Nutt Pond-Deep Spot 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 Nutt Pond-Deep Spot?
- Nutt Pond-Deep Spot in Hillsborough County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 26.8 µg/L. Chlorophyll-a (algae): 7.4 µg/L.
Is Nutt Pond-Deep Spot safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Nutt Pond-Deep Spot is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, nuisance exotic species, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, salinity / chlorides. Check local advisories before you swim.
Are there boat ramps on Nutt Pond-Deep Spot?
- Nutt Pond-Deep Spot has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Precourt Park. Public access is listed as yes.
Can I fish at Nutt Pond-Deep Spot?
- Nutt Pond-Deep Spot 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
62 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)
1111330062 samples · 2020–2025
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
- CHLOROPHYLL A-B-C DETERMINATION (MODIFIED)
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