Module 3 Water Quality Index

Stream Name: Maplewood Creek | Survey Date: September 16th, 2014
Chemical Test Result Q-value Weighting Index Value
Temperature Change: Temperature 15 91.00 X 0.10 = 9.1
Oxygen Saturation: 81.00 90.00 x 0.17 = 15.3
pH (units): 7.30 90.00 x 0.11 = 9.9
Turbidity - JTU: 8.00 85.00 x 0.08 = 6.8
Total = Water Quality Index (Compare this value to the Water Quality Chart below)
41.1
Water Quality Chart
Good 40-45 Acceptable 30-40 Marginal 20-30 Poor < 20

Survey Results

Stream Name: Maplewood Creek Survey Date: September 16th, 2014
Organization Name: North Shore Streamkeepers Project Name: Maplewood water qual
Data Entered by: ZoAnn Survey ID: 78

Step 1 Temperature

Time of Day Air Temp (0o) Water Temp (0o)
am
pm 25.00 15.00
Difference in water temperature: 15
Q Value:91.00
Site Air Temp(0o) Water Temp(0o)
Upstream:
Downstream:
Difference in water temperature: 15
Q Value:
Step 2 Dissolved Oxygen
Concentration
(mg/l):
8.00
% Saturation: 81.00
Equipment (if not Hach):
Step 3 pH
pH Reading: 7.30
Equipment:
Nitrites:
Conductivity:
Other one:
Step 4 Turbidity
Tubdity (JTU): 8.00
Tubdity (NTU):
Tubdity (cm):
Tubdity (cm) greater than (>):
Background Tubdity:
Tubdity increase over background:
Equipment turbidity tube