Shadow Pond
Washington County, VermontView mapDirections
Vermont DEC publishes the water-quality measurements for Shadow Pond. Here is what has been measured.
- Public access
- Limited data
Shadow Pond in Washington County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 27.9 ft visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 1.8 µg/L.
Shadow Pond is a lake in Washington County, Vermont. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2020-08-01. Methodology: how these readings are compared.
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What Shadow Pond is good for
From access and monitoring records, not editorial picks.
- Clear water27.9 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Shadow 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 Shadow Pond
These are the measurements Vermont DEC publishes for Shadow Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 27.9 ft down. Phosphorus 9.4 µg/L. Chlorophyll-a 1.8 µg/L. TSI 34.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 27.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 9.4µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 1.8µg/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. | 34 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Shadow Pond
Answers come straight from the public measurements and survey records on this page.
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Fishing Shadow Pond
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Stable+0.21 µg/L/yr6 years
Chlorophyll-a
Improving-0.22 µg/L/yr6 years
Nearby Lakes in Washington County
Frequently asked questions about Shadow Pond
Where is Shadow Pond?
- Shadow Pond is a lake in Washington County, Vermont. Its water-quality measurements are published by Vermont DEC and shown on this page as reported.
What is the water quality of Shadow Pond?
- Shadow Pond in Washington County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Water clarity: 27.9 ft visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 1.8 µg/L.
Is Shadow Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Shadow Pond?
- Public access to Shadow Pond 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.
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Where this data comes from
3 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ3 samples · 2020
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 (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.