Martins Pond
Caledonia County, Vermont77 acresView mapDirections
Vermont DEC publishes the water-quality measurements for Martins Pond. Here is what has been measured.
- Mesotrophic
- 26 ft max depth
- Public access
- Limited data
Martins Pond in Caledonia County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 12.1 ft visibility. Phosphorus: 19.4 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Surface area: 77 acres.
Martins Pond is a 77-acre mesotrophic lake in Caledonia County, Vermont with an estimated average depth of about 26 feet. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 8 other monitored lakes in Caledonia County, Martins Pond ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2025-08-19. Methodology: how these readings are compared.
What Martins Pond is good for
From access and monitoring records, not editorial picks.
- Clear water12.1 ft of visibility
- Boat launch1 documented ramp
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 Martins 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 Martins Pond
These are the measurements Vermont DEC publishes for Martins Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 12.1 ft. Phosphorus 19.4 µg/L. Chlorophyll-a 5.8 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12.1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19.4µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 5.8µg/L | Measured, not scored 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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Martins Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~26 ft est.
Surface area
77 acres
Public access
Yes
Listed by Vermont DEC
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Martins Pond.
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.8 mi
HydroLAKES / HydroSHEDS
Elevation
1,552 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.
Recreation & Access
- Martins PondPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Martins Pond
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Fishing Martins Pond
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Reservoir Info (USACE NID)
Martins Pond is a man-made reservoir impounded by the Martins Pond (completed 1958), built primarily for recreation on the Stevens River-Tr; concrete-type dam, 10 ft tall and 142 ft long.
- Surface area
- 77 ac
- Normal storage
- 0 ac-ft
- Max storage
- 580 ac-ft
- Drainage area
- 1.26 sq mi
- Hazard class
- Low
- Owner
- STATE OF VERMONT - DFW
Source: USACE National Inventory of Dams, NID ID VT00089 · Operator website
Nearby Lakes in Caledonia County
Frequently asked questions about Martins Pond
Where is Martins Pond?
- Martins Pond is a lake in Caledonia County, Vermont. Its water-quality measurements are published by Vermont DEC and shown on this page as reported.
What is the water quality of Martins Pond?
- Martins Pond in Caledonia County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 12.1 ft visibility. Phosphorus: 19.4 µg/L. Chlorophyll-a (algae): 5.8 µg/L. Surface area: 77 acres.
Is Martins Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Martins Pond?
- No published bathymetric survey covers Martins Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 26 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 77 acres.
Are there boat ramps on Martins Pond?
- Martins Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Martins Pond. Public access is listed as yes.
Can I fish at Martins Pond?
- Martins Pond 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 Vermont's fish and wildlife agency, so check its current regulations before you go.
Explore Martins Pond across LakeQuality
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Where this data comes from
57 measurements from 4 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ57 samples · 2020–2025
Analytical methods
- 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
Monitoring station identifiers (4)
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)
Named boat-access points from the USGS National Boat Ramps inventory