Hardwood Pond
Lamoille County, VermontView mapDirections
Vermont DEC publishes the water-quality measurements for Hardwood Pond. Here is what has been measured.
- Mesotrophic
- 34 ft max depth
- Limited data
Hardwood Pond in Lamoille County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 6.9 ft visibility. Phosphorus: 16.8 µg/L.
Hardwood Pond is a mesotrophic lake in Lamoille County, Vermont with an estimated average depth of about 34 feet. Overall water quality is declining over recent sampling years. Compared to the 5 other monitored lakes in Lamoille County, Hardwood Pond ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2024-04-23. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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. Check local advisories before you swim.
Whether Hardwood Pond is safe to swim in today is a call for the Vermont Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Hardwood Pond
These are the measurements Vermont DEC publishes for Hardwood Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 6.9 ft. Phosphorus 16.8 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 16.8µg/L | Fair 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Hardwood Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~34 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Hardwood Pond.
Lake Size & Watershed
Watershed (drainage) area
0 sq mi
HydroLAKES / HydroSHEDS
Surface area
49 acres
HydroLAKES / HydroSHEDS
Shoreline
1.1 mi
HydroLAKES / HydroSHEDS
Elevation
1,572 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Fishing Hardwood Pond
Water quality readings over time
3 seasons of samples on record (2020–2023). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening3 years
Phosphorus
Worsening+1.36 µg/L/yr3 years
Nearby Lakes in Lamoille County
Frequently asked questions about Hardwood Pond
Where is Hardwood Pond?
- Hardwood Pond is a lake in Lamoille County, Vermont. Its water-quality measurements are published by Vermont DEC and shown on this page as reported.
What is the water quality of Hardwood Pond?
- Hardwood Pond in Lamoille County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 6.9 ft visibility. Phosphorus: 16.8 µg/L.
Is Hardwood Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Hardwood Pond?
- No published bathymetric survey covers Hardwood Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 34 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Hardwood Pond across LakeQuality
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Where this data comes from
52 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ52 samples · 2020–2024
Analytical methods
- 4500 P H ~ Manual Digestion and Flow Injection Analysis for Total Phosphorus
- EPA approved Alternate Test Procedure for 4500 P H. Has a 28 day hold without acid preservation.
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
- 2120 B ~ Color in Water by Visual Comparison
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
Lake size & watershed from HydroLAKES (HydroSHEDS)