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Kaleidoscope Charter School. Elm Creek Watershed Management Commission Hennepin County Rush Creek Site #4 September 29 , 2011 Fall 2011 Data Time tested: AM. In past 24 hours… Storm (heavy rain) Rain (steady) Showers (intermittent) Overcast Clear/Sunny Snowy. Now…

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kaleidoscope charter school
Kaleidoscope Charter School

Elm Creek Watershed Management Commission

Hennepin County

Rush Creek Site #4

September 29, 2011

Fall 2011 Data

Time tested: AM

weather
In past 24 hours…

Storm (heavy rain)

Rain (steady)

Showers (intermittent)

Overcast

Clear/Sunny

Snowy

Now…

Storm (heavy rain)

Rain (steady)

Showers (intermittent)

Overcast

Clear/Sunny

Weather

Temperature ReadingsTaken in the shade

Water Temperature:14 CAir Temperature:16C

water appearance
Water Appearance

Water

Odor

Check one:

  • Clear
  • Blue-green
  • Green
  • Yellow
  • Brown
  • Milky
  • Check one:
  • None
  • Fishy
  • Musty
  • Rotten eggs
  • Septic
local land use land use in local watershed within mile of site
Residential

Commercial

Agriculture

Natural/Preserve

Lawns

Wooded

Crop land

Grazing land

Feed lot

Paved roads or bridges

Unpaved roads

Construction

Recreational use

Industrial

Land fill

Waste treatment plant

Evidence of past alteration

Local Land Useland use in local watershed within ¼ mile of site
type of sampling
Check one:

Rocky bottom

Muddy bottom (Record the number of jabs taken in each habitat type)

Vegetated bank margins 10

Snags and logs 24

Aquatic vegetation beds 11

Silt/Sand/Gravel substrate 25

Type of Sampling
slide6
Stream DepthMeasure the depth across the stream, from right bank to left bank in one-foot intervals for a minimum of 10 measurements
measuring stream velocity
Measuring Stream Velocity

Trial #

  • 71seconds 20 feet
  • 59seconds 20 feet
  • 120seconds 20 feet
  • 277seconds 20 feet
  • 66seconds 20 feet

Average Time of Travel=

Total Time divided by # of measurements 118.6 seconds

Velocity=

Distance divided by Average Time0.168ft or m/sec.

river bottom composition and embeddedness
River Bottom Composition and Embeddedness

Average Embeddedness

Average Embeddedness for the site: TOTAL (add all 10 together)

312/10=31.2%

slide10

# of Squares Counted: 6

Macro-Invertebrates Identified

what the findings mean to the watershed
What the findings mean to the watershed

The majority of the macro-invertebrates we found and identified have a medium tolerance level. We found 1 macro-invertebrate in the range of 0 to 5 tolerance level. We found 240macro-invertebrates in the range of 6 to 10. With the low level of rain received this summer, our stream’s velocity decreased compared to the spring data. Because of the lower velocity the higher number of bugs are able to stay in the stream.