Potash Brook (Lake Champlain Direct Flow) - Tier 3 Report - Walter Poleman, 10/13/16

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Physical Parameters Assessment

Investigator Name(s):

Alysa, Connor, Zoe

Collection Date & Time:

Thursday, October 13, 2016 - 3:30pm

School:

University of Vermont

Watershed:

Lake Champlain Direct & Grand Isle Basins

River:

Potash Brook (Lake Champlain Direct Flow)

Monitoring Site:

East Woods

Site Description:

cold, drizzly, overcast, stream, trees, leaf litter, pine needles, large rocks in stream

Surrounding Development or Land Use:

Park

Residential

Forest

Do you see any pipes entering into the river?:

Is there a water treatment plant upstream?:

Canopy Cover:

26-50%

Water Appearance:

Clear

Water Odor:

Odorless

Average Embeddedness:

26-50%

Average Velocity:

53.05m/s

Exact Location

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Latitude:

44.45

Longitude:

-73.20

Weather

Present:

Overcast

Past 48 Hours:

Clear/Sunny

Showers

Average Transparency/Turbidity

No Impact: >60 cm - 17cm = 0-50 ntu
Possible Impact: 17 - 8cm = 65-150 ntu
Impacted: 8 - < 6 cm = >150 ntu

Height of Water Column:

120.00cm

Chemical Assessment

Introduction:

Materials and Methods:

Results:

Temperature: 12.5 deg Celsius

pH: 6.5

Orthophosphate: 0.134 mg/L

Phosphorus: 0.41 mg/L

Dissolved Oxygen: 10 mg/L

Discussion:

Stream Habitat Assessment

Good Habitat: Score of 80 to 60 ----- Fair Habitat: Score of 59 to 40 ----- Poor Habitat: Score of 39 to 0

Stream Habitat Quality Score

Calculated by adding all of the points from the above fields.

60-80 (Good)
40-59 (Fair)
0-39 (Poor)

Stream Habitat Quality Score for This Report:

Biological Assessment

The Water Quality Score is calculated by adding together the the Index Values calculated for each Sensitivity Group on the field sheet.

40+ (Excellent)
30-39 (Good)
20-29 (Fair)
0-19 (Poor)

Group I (Sensitive) Index Value:

0.0

Group II (Moderately Sensitive) Index Value:

0.0

Group III (Tolerant) Index Value:

0.0

Water Quality Score for This Report: