Lamoille River - Tier 2 Report - Jeff Warren, 05/23/19

Physical Parameters Assessment

Investigator Name(s):

Collection Date & Time:

Thursday, May 23, 2019 - 11:30pm

School:

Browns River Middle School

Watershed:

Lamoille Basin

River:

Lamoille River

Monitoring Site:

browns river middle school

Site Description:

-Shallow -Rocky -Slow/medium speed - erosion

Surrounding Development or Land Use:

Farm

Park

Residential

Forest

Crops

Logging

Road Along Bank

Do you see any pipes entering into the river?:

Is there a water treatment plant upstream?:

Canopy Cover:

0-25%

Water Appearance:

Clear

Water Odor:

Odorless

Average Embeddedness:

26-50%

Average Velocity:

0.55m/s

Physical Summary:

We think the river is very healthy because it is shallow and rocky wich will let oxygen in the river. Also the water was very clear and no odor.

Exact Location

Latitude:

44.52

Longitude:

-72.94

Weather

Present:

Overcast

Past 48 Hours:

Clear/Sunny

Overcast

Showers

Chemical Assessment

Average Temperature:

13.00°C

Average pH:

6.00

Average Orthophosphate PO4-3:

0.02mg/L

Stream Habitat Assessment

Streambed Composition:

Mixture of cobbles, gravels, and sand (3)

Streambank Stability:

Banks appear stable – no signs of erosion (2)

Deepest pool is at least:

Waist deep (2)

Velocity:

Moderately fast – slowly takes objects downstream (1)

Riparian Vegetation:

Mixture of trees, shrubs, and grasses (3)

Riparian Vegetative Zone Width:

Buffer zone is between 50 and 100 feet (2)

Streambed Cover

Rock ledges:

Submerged logs, stumps, or tree roots:

Large rocks:

Artificial objects:

Other:

Stream Habitat Quality Score

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

18-22 (Excellent)
11-17 (Good)
6-10 (Fair)
0-5 (Poor)

Stream Habitat Quality Score for This Report:

Biological Assessment

PT Group 1 (Intolerant)

Stonefly Nymph:

Mayfly Nymph:

Caddis Fly Larvae:

Riffle Beetle:

# of Taxa:

PT Group 2 (Moderately Intolerant)

# of Taxa:

PT Group 3 (Fairly Tolerant)

# of Taxa:

PT Group 4 (Very Tolerant)

# of Taxa:

Pollution Tolerance Index Rating

Calculated as follows:
4*(# of Taxa in PT Group 1) + 3*(# of Taxa in PT Group 2) + 2*(# of Taxa in PT Group 3) + 1*(# of Taxa in PT Group 4)

23+ (Excellent)
17-22 (Good)
11-16 (Fair)
0-10 (Poor)

PTI Rating for This Report:

16.00