Module 3 Water Quality Index

Stream Name: HADDEN CREEK | Survey Date: April 24th, 2017
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 8.3 92.00 X 0.10 = 9.2
Oxygen Saturation: 75.00 75.00 x 0.17 = 12.75
pH (units): 7.00 88.00 x 0.11 = 9.68
Turbidity (cm): 25.00 60.00 x 0.08 = 4.8
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
36.43
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: HADDEN CREEK Survey Date: April 24th, 2017
Organization Name: West Vancouver Streamkeepers Society Project Name: H2O study
Data Entered by: Leslie Survey ID: 253

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am
pm 14.20 8.30
Difference in water temperature: 8.3
Q Value:92.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: 8.3
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
9.00
% Saturation: 75.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 7.00
Equipment: Hach
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>): 25.00
Background Tubdity:
Tubdity increase over background:
Equipment measuring stick