HARTWELL
09/17/2014
Column
Lake and Watershed
Column
Assessment Report Card
| Total Phosphorus | not available |
| Total Nitrogen | not available |
| Chlorophyll-a | GOOD |
| Alkalinity | GOOD |
| Dissolved Oxygen | FAIR |
| Lakeshore Disturbance | FAIR |
| Lakeshore Habitat | GOOD |
| Shallow Water Habitat | POOR |
| Physical Complexity of Habitat | FAIR |
| Watershed | Moderately Disturbed |
For more information about how lakes are scored, see:
Gauging
the health of Vermont Lakes: Results of the 2007 National Lake
Assessment
Water Quality
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Click here to view additional profiles for HARTWELL
| Click here to view Lake Score Card for HARTWELL
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NOTE: Hover mouse over chart elements to to view data values
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Condition Assessments
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Total Phosphorus: not available
Total Nitrogen: not available
Chlorophyll-a: GOOD
Alkalinity: GOOD
Dissolved Oxygen: FAIR
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Secchi Transparency
Temperature, Dissolved Oxygen, Chlorophyll-a
Total Phosphorus
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Total Nitrogen
Conductivity
Chloride
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pH
Calcium and Magnesium
Iron, Manganese and Aluminum
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Dissolved Organic Carbon
intentionally blank
intentionally blank
Habitat
Column
Habitat Map
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Assessments
Assessments based on habitat indexes developed by EPA’s National Lake Assessment program.
Habitat Comparisons
Comparison of the average habitat characteristics of sites around HARTWELL with the average habitat characteritics at undeveloped and developed sites at other lakes in the state.
Disturbances
Disturbance components that make up the Lakeshore Disturbance score. ‘1.0’ indicates disturbance occurs in the immediate shoreline plot. ‘0.5’ indicates the disturbance occurs in an area proximal to, but not within, the immediate shoreline plot.
| Station | Buildings | Park | Commercial | Docks | Crops | Pasture | Orchard | Lawn | Walls | Landfill | Roads | Powerlines |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 |
| B | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 |
| C | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 |
| D | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 |
| E | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 |
| F | 1.0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.0 | 0.0 |
| G | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.5 |
| H | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.5 |
| I | 1.0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 1.0 |
| J | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 1.0 |
Inlets
Column
Inlets Map
Column
Water Quality
Comments: inlet 1: sandy delta, inlet 2: muddy delta
| InletNo |
TP (ug/L) |
TN (mg/L) |
TCl (mg/L) |
|---|---|---|---|
| 1 | NA | NA | 2 |
| 2 | NA | NA | 2 |
| InletNo |
Conductivity uS/cm |
Turbidity NTU |
Temp C |
DO mg/L |
DO % |
pH |
Chla (ug/L) |
|---|---|---|---|---|---|---|---|
| 1 | 223 | 0.1 | 9.52 | 10.26 | 95.4 | 7.82 | 0.96 |
| 2 | 216 | 0.0 | 9.47 | 10.17 | 94.4 | 7.78 | 0.81 |
Physical | Macrophytes
| InletNo |
Sediment Depth (cm) |
Sediment Delta (sq meters) |
Algae %Cover |
|---|---|---|---|
| 1 | 80 | 10 | 0 |
| 2 | NA | 4 | 0 |
| InletNo | Plants %Cover |
Dominant Plant 1 |
Dominant Plant 2 |
Dominant Plant 3 |
|---|---|---|---|---|
| 1 | 0 | NA | NA | NA |
| 2 | 10 | Sagittaria sp. | Dulichium arundinaceum | NA |
Outlet
| Characteristic | Comment |
|---|---|
| Type | NATURAL |
| Flow | Slight riffle |
| Control Height (m) | 0 |
| Comments | May have been 1m in the past, but no longer, may have not been 1m higher & may only be bridge abuttment. |
Protection Classification
HARTWELL Lake Protection Classification
Comments: NA
| Category | Score | Feature | Present |
|---|---|---|---|
| Wilderness Score | 0 | Beach | 0 |
| Wilderness-Like Score | 0 | Ledge | 1 |
| Bouldered Shore | 0 | ||
| Vegetation | 0 | ||
| Islands | 0 | ||
| Steep Slopes | 0 | ||
| Peaks | 0 | ||
| Scenic Bottom | 1 | ||
| Cliffs | 0 | ||
| # Total Features | 2 |