Module 3 Water Quality Index

Stream Name: LAWSON CREEK | Survey Date: 2017-08-08
Chemical Test Result Q-value Weighting Index Value
Temperature Change: 92.00 X 0.10 = 9.2
Oxygen Saturation: 140.00 93.00 x 0.17 = 15.81
pH (units): 7.10 88.00 x 0.11 = 9.68
Turbidity - JTU: x 0.08 = 0
Turbidity - NTU: x 0.08 = 0
Turbidity (cm): 60.00 61.00 x 0.08 = 4.88
Total = Water Quality Index (Compare this value to the Water Quality Chart below) 39.57
Water Quality Chart
Good 40-45
Acceptable 30-40
Marginal 20-30
Poor < 20

Survey Results

Stream Name: LAWSON CREEK Survey Date: 2017-08-08
Organization Name: West Vancouver Streamkeepers Society Project Name: H2O study
Data Entered by: Leslie Survey ID: 261

A) Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am 19.80 17.30
pm
Difference in water temperature:
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature:

B) Dissolved Oxygen

Concentration (mg/l): 13.00
% Saturation: 140.00
Equipment (if not Hach):

C) pH

pH Reading: 7.10
Equipment:
Nitrites:
Conductivity:
Other one:

Turbidity

Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>): 60.00
Background Tubdity:
Tubdity increase over background:
Equipment