Scores

Watershed: Highly Disturbed
WQ Standards: Impaired
WQ Standards Details
Stressed – Organic Enrichment - DO
Impaired – Phosphorus
Color Scoring System
Good Conditions
Fair Conditions
Poor Conditions

Insufficient Data


Learn How Lakes Are Scored

Water Quality Data

Plots

  • Trophic condition thresholds are indicated by shading:
Hypereutrophic
Eutrophic
Mesotrophic
Oligotrophic
  • Click on “Daily Mean” or “Annual Mean” to toggle on or off the data layer.
Spring Phosphorus
Trend: Stable (p-value = 0.1489)
Summer Phosphorus
Trend: Stable (p-value = 0.3476)

Summer Secchi
Trend: Stable (p-value = 0.851)
Summer Chlorophyll-a
Trend: Stable (p-value = 0.573)

Lake Information

Info

Town Shelburne
Planning Basin Winooski
Surface Area 479.3 acres
Basin To Lake Area Ratio 10
Maximum Depth 25 feet
Elevation 332 feet

Known Invasive Species Infestations

Common Name Scientific Name
Curly-leaf pondweed Pogamogeton crispus
European frogbit Hydrocharis morsus-ranae
Eurasian watermilfoil Myriophyllum spicatum

Long Term Means

Season Long Term Mean # Years Data
Total Phosphorus (ug/L)
Spring 79.8 32
Summer 155.4 6
Secchi Transparency (m)
Summer 0.8 6
Chlorophyll-a (ug/L)
Summer 90.4 6