Module 3 Water Quality Index

Stream Name: BOWKER CREEK | Survey Date: September 24th, 2020
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Site Not enough data 90.00 X 0.10 = 9
Oxygen Saturation: 94.00 95.00 x 0.17 = 16.15
pH (units): 7.33 90.00 x 0.11 = 9.9
Turbidity - JTU: 0.00 63.00 x 0.08 = 5.04
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
40.09
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: BOWKER CREEK Survey Date: September 24th, 2020
Organization Name: Friends of Bowker Creek Project Name: Chum Salmon Recovery
Data Entered by: Jessica Hartum Survey ID: 519

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
09:40:00 am 16.00 14.80
Not recorded pm Not recorded Not recorded
Difference in water temperature: Not enough data
Q Value:90.00
Site Air Temp(0o) Water Temp(0o)
Upstream: 15.00 14.80
Downstream: 16.00 14.80
Difference in water temperature: -14.8
Q Value:90.00
Step 2 Dissolved Oxygen
Concentration
(mg/l): 		9.74
% Saturation: 94.00
Equipment (if not Hach): YSI meter
Step 3 pH
pH Reading: 7.33
Equipment: YSI meter
Nitrites: 0.00
Conductivity: 78.50
Other one: 0.18
Step 4 Turbidity
Tubdity (JTU): 0.00
Tubdity (NTU): 18.10
Tubdity (cm): 0.00
Tubdity (cm) greater than (>): 0.00
Background Tubdity: 0.00
Tubdity increase over background: 0.00
Equipment Hach 2100
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