Potash Brook (Lake Champlain Direct Flow) - Tier 3 Report - Walter Poleman, 10/17/16

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Physical Parameters Assessment

Investigator Name(s):

James, Laura, Zoe

Collection Date & Time:

Monday, October 17, 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:

Stream surrounded by trees and erosion

Surrounding Development or Land Use:

Park

Residential

Forest

Road Along Bank

Do you see any pipes entering into the river?:

Is there a water treatment plant upstream?:

Canopy Cover:

51-75%

Water Appearance:

Clear

Water Odor:

Odorless

Average Embeddedness:

51-75%

Average Velocity:

0.12m/s

Physical Summary:

At my site there are tons of shallow rocks in slow moving water. At first, it went super slow, but then it picked up in speed a bit. The river/creek was very cold, and most of the rocks were covered by the 'rock bathtub ring' by 50%.

Exact Location

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Latitude:

44.45

Longitude:

-73.20

Weather

Present:

Clear/Sunny

Past 48 Hours:

Overcast

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

Turbidity:

10.00NTU

Chemical Assessment

Introduction:

Materials and Methods:

Results:

Temperature: 11 deg Celsius

ii. pH: 6.7 - 7

iii. Orthophosphate: 0.143 mg/L, 0.078 mg/L, 0.075 mg/L

iv. Phosphorus: 0.44 mg/L, 0.24 mg/L, 0.23 mg/L

v. Dissolved Oxygen: 3 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: