Water Quality Index
(Blank Form-to be downloaded)
School:
Date: Time:
Water Conditions:
Weather Conditions:
Air Temperature: degrees centigrade
Flow rate: meters/second
River/Stream:
River Mile Marker:
Location:
Latitude deg. min. sec.
Longitude deg. min. sec.
Site:
Site Location or Address:
- - - - - - - - - - - - - - - - - -
Test 1
Dissolved Oxygen
DOday1 mg/L
% Sat
Q-Value
Weighing Factor 0.17
Total %
- - - - - - - - - - - - - - - - - -
Test 2
Fecal Coliform
colonies/100mL
Q-Value
Weighing factor 0.16
Total %
- - - - - - - - - - - - - - - - - -
Test 3
pH
units
Q-Value
Weighing factor 0.11
Total %
- - - - - - - - - - - - - - - - - -
Test 4
BOD
DOdays mg/L DOday1-DOday5 mg/L
Q-Value
Weighing factor 0.11
Total %
Test 5
Temperature Change
Temp (site1) degrees centigrade
Temp (site 2) degrees centigrade
T= degrees centigrade
Q-Value
Weighing Factor 0.10
Total %
- - - - - - - - - - - - - - - - -
Test 6
Phosphate
mg/L
Q-Value
Weighing Factor 0.10
Total %
- - - - - - - - - - - - - - - - -
Test 7
Nitrate
mg/L
Q-Value
Weighilng Factor 0.10
Total %
- - - - - - - - - - - - - - - - -
Test 8
Turbidity
meters feet
Q-Value
Weighing Factor 0.08
Total %
- - - - - - - - - - - - - - - - -
Test 9
Total Solids
mg/L
Q-Value
Weighilng Factor 0.07
Total %
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OVERALL WATER QUALITY INDEX %
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Overall Water Quality Index Quality of Water
90% - 100% Excellent
70% - 90% Good
50% - 70% Medium
25% - 50% Bad
0% - 25% Very bad