Sawyer Pond-Deep Spot
Grafton County, New HampshireView mapDirections
NHDES publishes the water-quality measurements for Sawyer Pond-Deep Spot. Here is what has been measured.
- Impaired · Mercury
- Limited data
Sawyer Pond-Deep Spot in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 5 µg/L.
Sawyer Pond-Deep Spot is a lake in Grafton County, New Hampshire.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-11. Methodology: how these readings are compared.
What Sawyer Pond-Deep Spot is good for
From access and monitoring records, not editorial picks.
- Camping2 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Sawyer Pond-Deep Spot is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Sawyer 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 Sawyer Pond-Deep Spot
These are the measurements NHDES publishes for Sawyer 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 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 | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| 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 Sawyer Pond-Deep Spot
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
Public campgrounds near Sawyer Pond-Deep Spot
- Sawyer Pond Shelter & Tent Platforms0.2 km
- Fourth Iron Backcountry Site4.7 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Sawyer Pond-Deep Spot
Compare lakeside cabins, hotels, and vacation rentals near Sawyer Pond-Deep Spot in Grafton 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 Sawyer Pond-Deep Spot
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 Sawyer Pond-Deep Spot’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Sawyer Pond-Deep Spot
EPA Impairment Status
Sawyer Pond-Deep Spot 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: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK600020102-01 · Official waterbody report
Nearby Lakes in Grafton County
Frequently asked questions about Sawyer Pond-Deep Spot
Where is Sawyer Pond-Deep Spot?
- Sawyer Pond-Deep Spot is a lake in Grafton County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Sawyer Pond-Deep Spot?
- Sawyer Pond-Deep Spot in Grafton County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 5 µg/L.
Is Sawyer Pond-Deep Spot safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sawyer Pond-Deep Spot is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Are there campgrounds on Sawyer Pond-Deep Spot?
- Sawyer Pond-Deep Spot has 2 public campgrounds from USGS The National Map within 5 km, including Sawyer Pond Shelter & Tent Platforms, Fourth Iron Backcountry Site. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Sawyer Pond-Deep Spot across LakeQuality
More lakes in New Hampshire
Other Lakes in New Hampshire
Oligotrophic Lakes in New Hampshire
Where this data comes from
2 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
111133002 samples · 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
Public campgrounds from USGS The National Map Structures, within about 3 miles