Danby Pond
Rutland County, VermontView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from B at the last regrade
- Mesotrophic
- #11 of 15 in the county
- 47 ft max depth
Danby Pond in Rutland County, Vermont has a water quality grade of A (Excellent). Water clarity: 2 ft visibility. Phosphorus: 15.3 µg/L. Chlorophyll-a (algae): 2.8 µg/L.
- Clarity
- 2 ft
- Max depth
- ~47 ft est.
- Type
- Mesotrophic
- Phosphorus
- 15.3 µg/L
- Chlorophyll-a
- 2.8 µg/L
- Trend
- ↑ Improving
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Watch Danby Pond’s letter
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Danby Pond is a mesotrophic lake in Rutland County, Vermont with an estimated average depth of about 47 feet. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. Compared to the 14 other monitored lakes in Rutland County, Danby Pond ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2025-08-13. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Very murky, less than 2 ft of visibility. Phosphorus 15.3 µg/L. Chlorophyll-a 2.8 µg/L. TSI 51. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | Not graded |
| Phosphorus | 15.3 µg/L | Good |
| Chlorophyll-a (Algae) | 2.8 µg/L | Good |
| Trophic State Index (TSI) | 51 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~47 ft est. |
| Average Depth | ~12 ft est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Danby Pond.
Lake Size & Watershed
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.
Fishing Danby Pond
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | → Stable | -0.25 µg/L/yr | 5 |
| Chlorophyll-a | ↑ Improving | -0.41 µg/L/yr | 5 |
County Ranking
Ranked #11 of 15 lakes in Rutland County
Nearby Lakes in Rutland County
Frequently asked questions about Danby Pond
Where is Danby Pond?
- Danby Pond is a lake in Rutland County, Vermont. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Danby Pond?
- Danby Pond in Rutland County, Vermont has a water quality grade of A (Excellent). Water clarity: 2 ft visibility. Phosphorus: 15.3 µg/L. Chlorophyll-a (algae): 2.8 µg/L.
Is Danby Pond safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
How deep is Danby Pond?
- No published bathymetric survey covers Danby Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 47 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Danby Pond across LakeQuality
More Vermont Lake Rankings
Other Grade A Lakes in Vermont
Mesotrophic Lakes in Vermont
Where this data comes from
73 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ73 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 (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.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)