Module 3 Water Quality Index

Stream Name: LIZARD CREEK | Survey Date: October 5th, 2014
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 3 88.00 X 0.10 = 8.8
Oxygen Saturation: 73.00 75.00 x 0.17 = 12.75
pH (units): 8.57 75.00 x 0.11 = 8.25
Turbidity - JTU: 0.00 98.00 x 0.08 = 7.84
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
37.64
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: LIZARD CREEK Survey Date: October 5th, 2014
Organization Name: Elk River Alliance Project Name: CBWM-LC site 1
Data Entered by: Ayla Bennett Survey ID: 121

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am 8.00 6.00
pm 15.00 9.00
Difference in water temperature: 3
Q Value:88.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: 3
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
9.00
% Saturation: 73.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 8.57
Equipment: pH Testr30
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU): 0.00
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment LaMotte