Reservoir Pond
Windsor County, Vermont32 acresView mapDirections
Vermont DEC publishes the water-quality measurements for Reservoir Pond. Here is what has been measured.
- Oligotrophic
Reservoir Pond in Windsor County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 14.7 ft visibility. Phosphorus: 6.2 µg/L. Chlorophyll-a (algae): 0.8 µg/L. Surface area: 32 acres.
Reservoir Pond is a 32-acre cold, clear oligotrophic lake in Windsor County, Vermont. Overall water quality is improving over recent sampling years. Compared to the 7 other monitored lakes in Windsor County, Reservoir Pond ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2025-08-12. Methodology: how these readings are compared.
What Reservoir Pond is good for
From access and monitoring records, not editorial picks.
- Clear water14.7 ft of visibility
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. Check local advisories before you swim.
Whether Reservoir 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 Reservoir Pond
These are the measurements Vermont DEC publishes for Reservoir 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 14.7 ft. Phosphorus 6.2 µg/L. Chlorophyll-a 0.8 µg/L. TSI 32.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 14.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 6.2µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 0.8µg/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. | 32 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Reservoir Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
32 acres
No bathymetric survey has been published for Reservoir Pond, so its depth is not documented here.
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Fishing Reservoir Pond
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Improving-1.95 µg/L/yr5 years
Chlorophyll-a
Improving-0.46 µg/L/yr5 years
Reservoir Info (USACE NID)
Reservoir Pond is a man-made reservoir impounded by the Reservoir Pond (completed 1920), built primarily for recreation on the Black River; concrete-type dam, 9 ft tall and 200 ft long.
- Surface area
- 32 ac
- Normal storage
- 0 ac-ft
- Max storage
- 140 ac-ft
- Drainage area
- 36.67 sq mi
- Hazard class
- Low
- Owner
- TOWN OF LUDLOW
Source: USACE National Inventory of Dams, NID ID VT00173 · Operator website · Matched by proximity (0.86 km)
Nearby Lakes in Windsor County
Frequently asked questions about Reservoir Pond
Where is Reservoir Pond?
- Reservoir 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 Reservoir Pond?
- Reservoir Pond in Windsor County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 14.7 ft visibility. Phosphorus: 6.2 µg/L. Chlorophyll-a (algae): 0.8 µg/L. Surface area: 32 acres.
Is Reservoir Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Reservoir Pond across LakeQuality
More lakes in Vermont
Other Lakes in Vermont
Oligotrophic Lakes in Vermont
Where this data comes from
28 measurements from 2 monitoring stations, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ28 samples · 2024–2025
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 (2)
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.