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Kaleidoscope Charter School. Elm Creek Watershed Management Commission Hennepin County Rush Creek Site #4 May 10, 2012 Spring 2012 Data Time tested: AM. In past 24 hours… Storm (heavy rain) Rain (steady) Showers (intermittent) Overcast Clear/Sunny Snowy. Now… Storm (heavy rain)

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Kaleidoscope Charter School


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kaleidoscope charter school
Kaleidoscope Charter School

Elm Creek Watershed Management Commission

Hennepin County

Rush Creek Site #4

May 10, 2012

Spring 2012 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: 15 C Air Temperature: 20 C

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 36

Snags and logs 5

Aquatic vegetation beds 31

Silt/Sand/Gravel substrate 24

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 #

  • 12.2 seconds 20 feet
  • 16.4 seconds 20 feet
  • 14.4 seconds 20 feet
  • 11.3 seconds 20 feet
  • 11.4seconds 20 feet

Average Time of Travel=

Total Time divided by # of measurements 13.1 seconds

Velocity=

Distance divided by Average Time 1.5 ft/sec.

river bottom composition and embeddedness
River Bottom Composition and Embeddedness

Average Embeddedness

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

325/10= 32.5%

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 4 macro-invertebrates in the range of 0 to 3 tolerance level. We found 124 macro-invertebrates in the range of 4 to 7. We found 14 macro-invertebrates in the 8 – 10 range. With the high level of rain received this spring, our stream’s velocity increased compared to the spring data. The depth and width also increased compared to fall.