Shadow Pond
Washington County, VermontView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Public access
- Limited data
Shadow Pond in Washington County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 27.9 ft visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 1.8 µg/L.
- Clarity
- 27.9 ft
- Phosphorus
- 9.4 µg/L
- Chlorophyll-a
- 1.8 µg/L
- Trend
- → Stable
- Public access
- Yes
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Watch Shadow Pond’s letter
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Why Shadow Pond has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Shadow Pond, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by VT DEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
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. Grade methodology: LakeQuality methodology.
What Shadow Pond is good for
From access and monitoring records, not editorial picks.
- Clear water27.9 ft of visibility
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Shadow Pond
These readings exist but are not enough for an A–F grade — see why.
Crystal clear, you can see 27.9 ft down. Phosphorus 9.4 µg/L. Chlorophyll-a 1.8 µg/L. TSI 34.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 27.9 ft | Not graded |
| Phosphorus | 9.4 µg/L | Not graded |
| Chlorophyll-a (Algae) | 1.8 µg/L | Not graded |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Fishing Shadow Pond
Water Quality Trend: → Stable
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.286 m/yr | 6 |
| Phosphorus | → Stable | +0.21 µg/L/yr | 6 |
| Chlorophyll-a | ↑ Improving | -0.22 µg/L/yr | 6 |
Graded lakes near Shadow Pond
Shadow Pond has no grade, but these lakes within a short drive do.
Nearby Lakes in Washington County
Frequently asked questions about Shadow Pond
Where is Shadow Pond?
- Shadow Pond is a lake in Washington County, Vermont. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Shadow Pond?
- Shadow Pond in Washington County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. 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?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Shadow Pond across LakeQuality
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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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.