Module 3 Water Quality Index

Stream Name: HASTINGS CREEK | Survey Date: February 24th, 2007
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 1 92.00 X 0.10 = 9.2
Oxygen Saturation: 99.00 99.00 x 0.17 = 16.83
pH (units): 6.30 56.00 x 0.11 = 6.16
Turbidity (cm): 39.00 65.00 x 0.08 = 5.2
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
37.39
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: HASTINGS CREEK Survey Date: February 24th, 2007
Organization Name: North Shore Streamkeepers Project Name:
Data Entered by: TIM MORTEN Survey ID: 201

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am 4.00 2.00
pm 2.00 3.00
Difference in water temperature: 1
Q Value:92.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: 1
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
11.00
% Saturation: 99.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 6.30
Equipment: HACH
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU):
Tubdity (NTU):
Tubdity (cm): 39.00
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment METRE STICK