Kansas StreamLink
...a watershed exploration
StreamLink Collaborator
Hillsboro Middle School
N. Cottonwood River

Date: May 16, 2002
Time: 1:00 PM
GPS Coordinates: 38° 26', W 97° 09'

Visual Assessment
Not Completed


Chemical Assessment

Temperature: 15 C
Dissolved Oxygen: 6 ppm
Percent Oxygen Saturation: 59%
Nitrate: 0 ppm
Phosphate: 3 ppm
pH: 8
Turbidity: 100 JTU
Total Coliforms: Positive
Biological Oxygen Demand: 2 ppm
Stream Flow: N/A


Macroinvertebrate Assessment

Sensitive Species: Caddisfly Larvae (1), Mayfly Nymphs (6)
Somewhat Sensitive Species: Damselfly Nymphs (3), Scud (15)
Tolerant Species: Leeches (4), Pouch Snails (2)

How many times did your group sample with the kick net?: N/A

Water Quality Determination (as calculated from number of species present): 12
Scale: Excellent (>22), Good (17-22), Fair (11-16), Poor (<11)

StreamLink Collaborators are in no way conducting professional water quality sampling. The information gathered is for educational purposes only. Students across Kansas share their creek experiences via the internet. If you have concerns about your water, please contact your local drinking water supplier or the KS Dept. of Health & Environment.