Lake Winnepocket-West Wind Village
Merrimack County, New Hampshire227 acresView mapDirections
NHDES publishes the water-quality measurements for Lake Winnepocket-West Wind Village. Here is what has been measured.
- Oligotrophic
- Impaired · Mercury
Lake Winnepocket-West Wind Village in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 6.1 µg/L. Surface area: 227 acres.
Lake Winnepocket-West Wind Village is a 227-acre cold, clear oligotrophic lake in Merrimack County, New Hampshire. Compared to the 40 other monitored lakes in Merrimack County, Lake Winnepocket-West Wind Village ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-06-02. Methodology: how these readings are compared.
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. Lake Winnepocket-West Wind Village is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Lake Winnepocket-West Wind Village 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 Lake Winnepocket-West Wind Village
These are the measurements NHDES publishes for Lake Winnepocket-West Wind Village, 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 6.1 µg/L. TSI 30.
| 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 | 6.1µg/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. | 30 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Lake Winnepocket-West Wind Village
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
227 acres
No bathymetric survey has been published for Lake Winnepocket-West Wind Village, so its depth is not documented here.
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Fishing Lake Winnepocket-West Wind Village
Reservoir Info (USACE NID)
Lake Winnepocket-West Wind Village is a man-made reservoir impounded by the Winnipocket Lake Dam (completed 1944), built primarily for recreation on the Tr Schoodac Brook; earth-type dam, 7 ft tall and 65 ft long.
- Surface area
- 227 ac
- Normal storage
- 1,500 ac-ft
- Max storage
- 2,000 ac-ft
- Drainage area
- 2.7 sq mi
- Hazard class
- Low
- Owner
- MS LISA AUSTIN SMITH
Source: USACE National Inventory of Dams, NID ID NH00084 · Operator website · Matched by proximity (0.6 km)
EPA Impairment Status
Lake Winnepocket-West Wind Village 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 NHLAK700030304-08 · Official waterbody report
Nearby Lakes in Merrimack County
Frequently asked questions about Lake Winnepocket-West Wind Village
Where is Lake Winnepocket-West Wind Village?
- Lake Winnepocket-West Wind Village is a lake in Merrimack County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Lake Winnepocket-West Wind Village?
- Lake Winnepocket-West Wind Village in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Phosphorus: 6.1 µg/L. Surface area: 227 acres.
Is Lake Winnepocket-West Wind Village safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Winnepocket-West Wind Village is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
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Where this data comes from
10 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)
1111330010 samples · 2020–2025
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