Water Quality Index


School:Monticello High School
Date: Time: October 8, 1997 - 2:00p.m.
Water Conditions:
Weather Conditions: Sprinkling
Air Temperature: degrees centigrade
Flow rate: meters/second
River/Stream: Kitty Creek
River Mile Marker:
Location:
Latitude deg. min. sec. 42.2330
Longitude deg. min. sec. -91.1813
Site: Hwy. 38 bridge upstream 50m
Site Location or Address:

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Test 1
Dissolved Oxygen
DOday1 mg/L 9
% Sat 97
Q-Value 97
Weighing Factor 0.17
Total % 16.49
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Test 2
Fecal Coliform
colonies/100mL 1,200
Q-Value 21
Weighing factor 0.16
Total % 3.36
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Test 3
pH
units 8.1
Q-Value 80
Weighing factor 0.11
Total % 8.80
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Test 4
BOD
DOdays mg/L DOday1-DOday5 mg/L 9 - 8
Q-Value 93
Weighing factor 0.11
Total % 10.33
Test 5
Temperature Change
Temp (site1) degrees centigrade 19
Temp (site 2) degrees centigrade 19
T= degrees centigrade 0
Q-Value 93
Weighing Factor 0.10
Total % 9.3
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Test 6
Phosphate
mg/L .2
Q-Value 88
Weighing Factor 0.10
Total % 8.8
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Test 7
Nitrate
mg/L 8
Q-Value 54
Weighilng Factor 0.10
Total % 5.4
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Test 8
Turbidity
meters feet 1.16+m - 3' 10"+
Q-Value 90
Weighing Factor 0.08
Total % 7.2
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Test 9
Total Solids
mg/L 317.98
Q-Value 57
Weighilng Factor 0.07
Total % 3.99
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OVERALL WATER QUALITY INDEX % 73.57

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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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