Module 3 Water Quality Index

Stream Name: MCDONALD CREEK-WestV | Survey Date: January 29th, 2019
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 0 93.00 X 0.10 = 9.3
Oxygen Saturation: 92.00 94.00 x 0.17 = 15.98
pH (units): 6.80 84.00 x 0.11 = 9.24
Turbidity (cm): 30.00 60.00 x 0.08 = 4.8
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
39.32
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: MCDONALD CREEK-WestV Survey Date: January 29th, 2019
Organization Name: West Vancouver streamkeepers Project Name: H2O studay
Data Entered by: Leslie Survey ID: 360

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am 2.00 3.80
pm
Difference in water temperature: 0
Q Value:93.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: -3.8
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
12.00
% Saturation: 92.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 6.80
Equipment: hach
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>): 30.00
Background Tubdity:
Tubdity increase over background:
Equipment