Star Lake
Rutland County, Vermont63 acresView mapDirections
Vermont DEC publishes the water-quality measurements for Star Lake. Here is what has been measured.
- Impaired · Nuisance exotic species
- 26 ft max depth
- Limited data
Star Lake in Rutland County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Phosphorus: 28.8 µg/L. Chlorophyll-a (algae): 10.4 µg/L. Surface area: 63 acres.
Star Lake is a 63-acre lake in Rutland County, Vermont with an estimated average depth of about 26 feet.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2021-06-04. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Star Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
Whether Star 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 Star Lake
These are the measurements Vermont DEC publishes for Star Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 28.8 µg/L. Chlorophyll-a 10.4 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 28.8µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 10.4µg/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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Star Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~26 ft est.
Surface area
63 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Star Lake.
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.3 mi
HydroLAKES / HydroSHEDS
Elevation
1,850 ft
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.
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Fishing Star Lake
Reservoir Info (USACE NID)
Star Lake is a man-made reservoir impounded by the Star Lake (completed 1900), built primarily for recreation on the Mill River-Tr; concrete-type dam, 16 ft tall and 217 ft long.
- Surface area
- 63 ac
- Normal storage
- 0 ac-ft
- Max storage
- 525 ac-ft
- Drainage area
- 1.06 sq mi
- Hazard class
- High
- Owner
- TOWN OF MOUNT HOLLY
Source: USACE National Inventory of Dams, NID ID VT00010 · Operator website
EPA Impairment Status
Star Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation, Other.
Source: EPA ATTAINS assessment unit VT03-17L01 · Official waterbody report
Nearby Lakes in Rutland County
Frequently asked questions about Star Lake
Where is Star Lake?
- Star Lake is a lake in Rutland County, Vermont. Its water-quality measurements are published by Vermont DEC and shown on this page as reported.
What is the water quality of Star Lake?
- Star Lake in Rutland County, Vermont has water-quality measurements published by Vermont DEC, shown here as reported. Phosphorus: 28.8 µg/L. Chlorophyll-a (algae): 10.4 µg/L. Surface area: 63 acres.
Is Star Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Star Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
How deep is Star Lake?
- No published bathymetric survey covers Star Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 26 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 63 acres.
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Where this data comes from
2 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ2 samples · 2021
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)