Module 3 Water Quality Index

Stream Name: MCDONALD CREEK-WestV | Survey Date: August 6th, 2017
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 0 92.00 X 0.10 = 9.2
Oxygen Saturation: 116.00 93.00 x 0.17 = 15.81
pH (units): 7.30 90.00 x 0.11 = 9.9
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
34.91
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: MCDONALD CREEK-WestV Survey Date: August 6th, 2017
Organization Name: West Vancouver Streamkeepers Society Project Name: H2O Study
Data Entered by: Leslie Survey ID: 260

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am 19.00 17.30
pm
Difference in water temperature: 0
Q Value:92.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: -17.3
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
11.00
% Saturation: 116.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 7.30
Equipment: hach
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>): 26.00
Background Tubdity:
Tubdity increase over background:
Equipment