Module 3 Water Quality Index

Stream Name: LAWSON CREEK | Survey Date: August 6th, 2022
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature Not enough data 92.00 X 0.10 = 9.2
Oxygen Saturation: 120.00 90.00 x 0.17 = 15.3
pH (units): 6.80 88.00 x 0.11 = 9.68
Turbidity (cm): 0.00 70.00 x 0.08 = 5.6
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
39.78
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: LAWSON CREEK Survey Date: August 6th, 2022
Organization Name: West Vancouver streamkeepers Project Name: H2O quality
Data Entered by: leslie Survey ID: 780

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
Not recorded am Not recorded Not recorded
12:00:00 pm 20.70 15.50
Difference in water temperature: Not enough data
Q Value:92.00
Site Air Temp(0o) Water Temp(0o)
Upstream: Not recorded Not recorded
Downstream: Not recorded Not recorded
Difference in water temperature: Not enough data
Q Value:0.00
Step 2 Dissolved Oxygen
Concentration
(mg/l): 		12.00
% Saturation: 120.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 6.80
Equipment: hach
Nitrites: 0.00
Conductivity: 0.00
Other one: 0.00
Step 4 Turbidity
Tubdity (JTU): 0.00
Tubdity (NTU): 0.00
Tubdity (cm): 0.00
Tubdity (cm) greater than (>): 30.00
Background Tubdity: 0.00
Tubdity increase over background: 0.00
Equipment
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