Water Quality Index
(Blank Form-to be downloaded)



School: Marion High School
Date: 8/20 Time:
Water Conditions: good
Weather Conditions: warm
Air Temperature: 82 oF, 27.8 oC degrees centigrade
Flow rate: 20.88 ft3/s meters/second?? this is a velocity
River/Stream: Indian Creek
River Mile Marker:
Location: South and East of East Post Road
Latitude deg. min. sec.
Longitude deg. min. sec.
Site:
Site Location or Address:

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Test 1
Dissolved Oxygen
DOday1 mg/L 14
% Sat 150
Q-Value 50
Weighing Factor 0.17
Total % 8.5
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Test 2
Fecal Coliform
colonies/100mL 400
Q-Value 33
Weighing factor 0.16
Total % 5.28
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Test 3
pH 8.5
units
Q-Value 65
Weighing factor 0.11
Total % 7.15
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Test 4
BOD
DOdays mg/L DOday1-DOday5 mg/L 3
Q-Value 61
Weighing factor 0.11
Total % 6.71
Test 5
Temperature Change 3 Co
Temp (site1) degrees centigrade
Temp (site 2) degrees centigrade
T= degrees centigrade
Q-Value 82
Weighing Factor 0.10
Total % 8.2
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Test 6
Phosphate
mg/L 0.2
Q-Value 90
Weighing Factor 0.10
Total % 9
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Test 7
Nitrate
mg/L 0.8
Q-Value 90
Weighilng Factor 0.10
Total % 9.0
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Test 8
Turbidity
meters feet(JTU) 5
Q-Value 100
Weighing Factor 0.08
Total % 8.0
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Test 9
Total Solids
mg/L 500
Q-Value 30
Weighilng Factor 0.07
Total % 2.1
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OVERALL WATER QUALITY INDEX % 64.84

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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

 

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