Echo Lake
Windsor County, Vermont76 acresView mapDirections
Vermont DEC publishes the water-quality measurements for Echo Lake. Here is what has been measured.
- Oligotrophic
- Public access
Echo Lake in Windsor County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 13.9 ft visibility. Phosphorus: 8.3 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Surface area: 76 acres.
Echo Lake is a 76-acre cold, clear oligotrophic lake in Windsor County, Vermont. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 7 other monitored lakes in Windsor County, Echo Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2025-08-22. Methodology: how these readings are compared.
Echo Lake covers about 76 acres in Windsor County. Vrbo is where to look for cabins and lake homes around Echo Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Echo Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13.9 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 Echo Lake 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 Echo Lake
These are the measurements Vermont DEC publishes for Echo Lake, 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 13.9 ft. Phosphorus 8.3 µg/L. Chlorophyll-a 1.6 µg/L. TSI 36.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 8.3µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 1.6µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 36 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Echo Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
76 acres
Public access
Yes
Listed by Vermont DEC
No bathymetric survey has been published for Echo Lake, so its depth is not documented here.
Stays via Stay22
Stays near Echo Lake
Compare lakeside cabins, hotels, and vacation rentals near Echo Lake in Windsor County, Vermont — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Echo Lake
Prices for Oct 23–25, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Vermont’s top lakes →
Follow Echo Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Echo Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2021–2025).
Water clarity
Worsening5 years
Phosphorus
Improving-0.98 µg/L/yr5 years
Chlorophyll-a
Improving-0.36 µg/L/yr5 years
Reservoir Info (USACE NID)
Echo Lake is a man-made reservoir impounded by the Amherst Lake, built primarily for recreation on the Echo Lake-Tr; concrete-type dam, 17 ft tall and 96 ft long.
- Surface area
- 76 ac
- Normal storage
- 0 ac-ft
- Max storage
- 1,050 ac-ft
- Drainage area
- 19.06 sq mi
- Hazard class
- Significant
- Owner
- LAKESIDE ASSOCIATES, INC.
Source: USACE National Inventory of Dams, NID ID VT00131 · Operator website · Matched by proximity (0.97 km)
Nearby Lakes in Windsor County
Frequently asked questions about Echo Lake
Where is Echo Lake?
- Echo Lake 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 Echo Lake?
- Echo Lake in Windsor County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 13.9 ft visibility. Phosphorus: 8.3 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Surface area: 76 acres.
Is Echo Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Echo Lake?
- Public access to Echo Lake is listed as yes on the lake record. 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 Echo Lake across LakeQuality
More lakes in Vermont
Other Lakes in Vermont
Oligotrophic Lakes in Vermont
Where this data comes from
99 measurements from 2 monitoring stations, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ99 samples · 2021–2025
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
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.