Module 3 Water Quality Index

Stream Name: EAGLE CREEK | Survey Date: August 31st, 2017
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 16.1 92.00 X 0.10 = 9.2
Oxygen Saturation: 110.00 95.00 x 0.17 = 16.15
pH (units): 7.20 90.00 x 0.11 = 9.9
Turbidity (cm): 25.00 60.00 x 0.08 = 4.8
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
40.05
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: EAGLE CREEK Survey Date: August 31st, 2017
Organization Name: West Vancouver Streamkeepers Society Project Name: H2O study
Data Entered by: leslie Survey ID: 266

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am
pm 19.30 16.10
Difference in water temperature: 16.1
Q Value:92.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: 16.1
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
11.00
% Saturation: 110.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 7.20
Equipment: hach
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm): 25.00
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment measuring stick