Module 3 Water Quality Index

Stream Name: LARSON CREEK | Survey Date: January 6th, 2018
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 6.8 92.00 X 0.10 = 9.2
Oxygen Saturation: 73.00 75.00 x 0.17 = 12.75
pH (units): 7.00 88.00 x 0.11 = 9.68
Turbidity (cm): 0.00 50.00 x 0.08 = 4
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
35.63
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: LARSON CREEK Survey Date: January 6th, 2018
Organization Name: West Vancouver Streamkeepers Society Project Name: H20 quality
Data Entered by: Leslie Survey ID: 335

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am
pm 5.90 6.80
Difference in water temperature: 6.8
Q Value:92.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: 6.8
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
9.00
% Saturation: 73.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 7.00
Equipment:
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>): 0.00
Background Tubdity:
Tubdity increase over background:
Equipment