Scores

Watershed: Minimally Disturbed
WQ Standards: Impaired
WQ Standards Details
Altered – Flow alteration
Stressed – pH
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: Highly Significantly Increasing (p-value = 0.0047)
Summer Phosphorus
Trend: Insufficient Data

Summer Secchi
Trend: Insufficient Data
Summer Chlorophyll-a
Trend: Insufficient Data

Lake Information

Info

Town Averill
Planning Basin Lake Memphremagog
Surface Area 470.2 acres
Basin To Lake Area Ratio 6
Maximum Depth 115 feet
Elevation 1740 feet

Known Invasive Species Infestations

None

Long Term Means

Season Long Term Mean # Years Data
Total Phosphorus (ug/L)
Spring 6.8 20
Summer 8.1 2
Secchi Transparency (m)
Summer 7.8 1
Chlorophyll-a (ug/L)
Summer 2.0 2