Scores

Watershed: Moderately Disturbed
WQ Standards: Stressed
WQ Standards Details
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: Stable (p-value = 0.1682)
Summer Phosphorus
Trend: Stable (p-value = 0.6523)

Summer Secchi
Trend: Stable (p-value = 0.6767)
Summer Chlorophyll-a
Trend: Stable (p-value = 0.8806)

Lake Information

Info

Town Londonderry
Planning Basin West-Williams-Saxtons-CT
Surface Area 93.4 acres
Basin To Lake Area Ratio 14
Maximum Depth 22 feet
Elevation 1330 feet

Known Invasive Species Infestations

None

Long Term Means

Season Long Term Mean # Years Data
Total Phosphorus (ug/L)
Spring 11.1 12
Summer 12.2 9
Secchi Transparency (m)
Summer 4.0 15
Chlorophyll-a (ug/L)
Summer 3.8 9