Star Lake
Rutland County, Vermont63 acresView 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.
- Impaired · Nuisance exotic species
- 26 ft max depth
- Limited data
Star Lake in Rutland County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 28.8 µg/L. Chlorophyll-a (algae): 10.4 µg/L. Surface area: 63 acres.
- Max depth
- ~26 ft est.
- Area
- 63 acres
- Phosphorus
- 28.8 µg/L
- Chlorophyll-a
- 10.4 µg/L
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Watch Star Lake’s letter
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Why Star Lake 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 Star Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.
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.
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. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is 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.
Water quality measurements for Star Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 28.8 µg/L. Chlorophyll-a 10.4 µg/L. TSI 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 28.8 µg/L | Not graded |
| Chlorophyll-a (Algae) | 10.4 µg/L | Not graded |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~26 ft est. |
| Average Depth | ~14 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
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 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
Source: EPA ATTAINS assessment unit VT03-17L01 · Official waterbody report
Graded lakes near Star Lake
Star Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Rutland County
Frequently asked questions about Star Lake
Where is Star Lake?
- Star Lake is a lake in Rutland 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 Star Lake?
- Star Lake in Rutland County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 28.8 µg/L. Chlorophyll-a (algae): 10.4 µg/L. Surface area: 63 acres.
Is Star Lake safe to swim in?
- The letter is 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.
Explore Star Lake across LakeQuality
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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)
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)