Module 3 Water Quality Index

Stream Name: BOWKER CREEK | Survey Date: December 5th, 2020
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Site Not enough data 91.00 X 0.10 = 9.1
Oxygen Saturation: 81.00 88.00 x 0.17 = 14.96
pH (units): 8.00 88.00 x 0.11 = 9.68
Turbidity - JTU: 2.00 98.00 x 0.08 = 7.84
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
41.58
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: BOWKER CREEK Survey Date: December 5th, 2020
Organization Name: Friends of Bowker Creek Project Name: Chum Salmon Recovery
Data Entered by: Jessica Hartum Survey ID: 561

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
Not recorded am Not recorded Not recorded
12:40:00 pm 10.00 9.00
Difference in water temperature: Not enough data
Q Value:91.00
Site Air Temp(0o) Water Temp(0o)
Upstream: 8.00 9.00
Downstream: 10.00 9.00
Difference in water temperature: 9
Q Value:91.00
Step 2 Dissolved Oxygen
Concentration
(mg/l):
9.80
% Saturation: 81.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 8.00
Equipment:
Nitrites: 0.00
Conductivity: 0.00
Other one: 0.00
Step 4 Turbidity
Tubdity (JTU): 2.00
Tubdity (NTU): 0.00
Tubdity (cm): 0.00
Tubdity (cm) greater than (>): 0.00
Background Tubdity: 0.00
Tubdity increase over background: 0.00
Equipment