Mill Pond
Windsor County, Vermont70 acresView mapDirections
No nutrient or algae sampling on record from Vermont DEC for this lake.
- 27 ft max depth
- Limited data
Mill Pond in Windsor County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Surface area: 70 acres.
Mill Pond is a 70-acre lake in Windsor County, Vermont with an estimated average depth of about 27 feet. Phosphorus level is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2024-04-29. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Mill 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 Mill Pond
These are the measurements Vermont DEC publishes for Mill Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Mill Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~27 ft est.
Surface area
70 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Mill Pond.
Lake Size & Watershed
Watershed (drainage) area
45 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.1 mi
HydroLAKES / HydroSHEDS
Elevation
387 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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Stays near Mill Pond
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Fishing Mill Pond
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable3 years
Phosphorus
Worsening+1 µg/L/yr5 years
Chlorophyll-a
Improving-0.28 µg/L/yr5 years
Reservoir Info (USACE NID)
Mill Pond is a man-made reservoir impounded by the Windsor Upper (completed 1834), built primarily for recreation on the Mill Brook; gravity-type dam, 55 ft tall and 320 ft long.
- Surface area
- 70 ac
- Normal storage
- 0 ac-ft
- Max storage
- 645 ac-ft
- Drainage area
- 43.86 sq mi
- Hazard class
- High
- Owner
- TOWN OF WINDSOR
Source: USACE National Inventory of Dams, NID ID VT00013 · Operator website
Nearby Lakes in Windsor County
Frequently asked questions about Mill Pond
Where is Mill Pond?
- Mill Pond is a lake in Windsor County, Vermont. Its water-quality measurements are published by Vermont DEC and shown on this page as reported.
What is the water quality of Mill Pond?
- Mill Pond in Windsor County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Surface area: 70 acres.
Is Mill Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Mill Pond?
- No published bathymetric survey covers Mill Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 27 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 70 acres.
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Where this data comes from
4 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ4 samples · 2024
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 (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)