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Northwood Lake-Pine Point

Rockingham County, New Hampshire11 acresView mapDirections

NHDES publishes the water-quality measurements for Northwood Lake-Pine Point. Here is what has been measured.

Phosphorus
10.3 µg/L
Typical for New Hampshire
Measured by NHDES
Area
11 acres
Surface area
  • Impaired · Biotoxins
  • Limited data

Northwood Lake-Pine Point in Rockingham County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 10.3 µg/L. Surface area: 11 acres.

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Northwood Lake-Pine Point is a 11-acre lake in Rockingham County, New Hampshire.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-08-25. Methodology: how these readings are compared.

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Northwood Lake-Pine Point is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury, nuisance exotic species, pathogens (E. coli, fecal), pH / acidity. Check local advisories before you swim.

Whether Northwood Lake-Pine Point 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.

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Water quality measurements for Northwood Lake-Pine Point

These are the measurements NHDES publishes for Northwood Lake-Pine Point, 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 10.3 µg/L. TSI 38.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus10.3µg/LMeasured, 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.38Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

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Lake Details

Surface area

11 acres

No bathymetric survey has been published for Northwood Lake-Pine Point, so its depth is not documented here.

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Stays near Northwood Lake-Pine Point

Compare lakeside cabins, hotels, and vacation rentals near Northwood Lake-Pine Point in Rockingham 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.

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Fishing Northwood Lake-Pine Point

Reservoir Info (USACE NID)

Northwood Lake-Pine Point is a man-made reservoir impounded by the Gulch Mountain Pond Dam (completed 1965), built primarily for recreation on the Tr Northwood Lake; earth-type dam, 15 ft tall and 600 ft long.

Surface area
11 ac
Normal storage
25 ac-ft
Max storage
103 ac-ft
Drainage area
0.21 sq mi
Hazard class
Significant
Owner
TOWN OF NORTHWOOD

Source: USACE National Inventory of Dams, NID ID NH00371 · Operator website · Matched by proximity (0.62 km)

EPA Impairment Status

Northwood Lake-Pine Point is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

BiotoxinsMercuryNuisance exotic speciesPathogens (E. coli, fecal)pH / acidity

Designated uses not supporting: Aquatic life, Fish consumption, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit NHLAK700060502-08-01 · Official waterbody report

Nearby Lakes in Rockingham County

Frequently asked questions about Northwood Lake-Pine Point

Where is Northwood Lake-Pine Point?

Northwood Lake-Pine Point is a lake in Rockingham County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.

What is the water quality of Northwood Lake-Pine Point?

Northwood Lake-Pine Point in Rockingham County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 10.3 µg/L. Surface area: 11 acres.

Measurements on this page ↑

Is Northwood Lake-Pine Point safe to swim in?

Nutrient and algae readings are not a swimming clearance. Northwood Lake-Pine Point is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury, nuisance exotic species, pathogens (E. coli, fecal), pH / acidity. Check local advisories before you swim.

Swimming on this page ↑

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Where this data comes from

2 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.

Collected and reported by

  • New Hampshire Department Of Environmental Services (BEACH)111133002 samples · 2022

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