MARLBORO-431;
08/10/2012

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Lake and Watershed

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Assessment Report Card



Total Phosphorus POOR
Total Nitrogen GOOD
Chlorophyll-a POOR
Alkalinity GOOD
Dissolved Oxygen not available
Lakeshore Disturbance GOOD
Lakeshore Habitat GOOD
Shallow Water Habitat GOOD
Physical Complexity of Habitat GOOD
Watershed Highly 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 MARLBORO-431; | Click here to view Lake Score Card for MARLBORO-431;

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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: POOR

Total Nitrogen: GOOD

Chlorophyll-a: POOR

Alkalinity: GOOD

Dissolved Oxygen: not available

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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

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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 MARLBORO-431; 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.

Human Disturbance
Station Buildings Park Commercial Docks Crops Pasture Orchard Lawn Walls Landfill Roads Powerlines
A 0.5 0 0 0 0 0 0 0.0 0 0 0 0
B 0.0 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
D 0.5 0 0 0 0 0 0 0.5 0 0 1 0
E 0.0 0 0 0 0 0 0 0.0 0 0 0 0
F 0.0 0 0 0 0 0 0 0.0 0 0 0 0
G 0.0 0 0 0 0 0 0 0.0 0 0 0 0
H 0.0 0 0 0 0 0 0 0.0 0 0 0 0
I 0.0 0 0 0 0 0 0 0.0 0 0 0 0
J 0.0 0 0 0 0 0 0 0.0 0 0 0 0


Inlets

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Inlets Map

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Water Quality

Comments: NA

Analytical Data
InletNo TP
(ug/L) 		TN
(mg/L) 		TCl
(mg/L)
Hydrolab Data
InletNo Conductivity
uS/cm 		Turbidity
NTU 		Temp
C 		DO
mg/L 		DO
% 		pH
 Chla
(ug/L)

Physical | Macrophytes

Sediment and Algae
InletNo Sediment Depth
(cm) 		Sediment Delta
(sq meters) 		Algae
%Cover
1 40 0 0
2 20 0 0
Aquatic Plants
InletNo Plants %Cover Dominant
Plant 1 		Dominant
Plant 2 		Dominant
Plant 3
1 75 Brasenia schreberi Utricularia gibba Eleocharis sp.
2 50 NA NA NA

Outlet

Characteristic Comment
Type NATURAL
Flow Slight riffle
Control Height (m) 3
Comments NA


Protection Classification

MARLBORO-431; Lake Protection Classification

Comments: NA

Category Score Feature Present
Wilderness Score 0 Beach 0
Wilderness-Like Score 0 Ledge 0
Bouldered Shore 0
Vegetation 0
Islands 0
Steep Slopes 0
Peaks 0
Scenic Bottom 0
Cliffs 0
# Total Features 0


Data

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Chemistry

Lakeshore and Littoral Habitat

Inlet Habitat