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School River Ridge Intermediate School
Ohio Rivermile/Tributary 477
Web Site

http://www.riverridge.kenton.k12.ky.us/

City Villa Hills
State Kentucky
Class Fourth Grade
Instructor DominiqueCruey/Pann Webb
 
Photo Gallery
 
 
Water Quality Index Results
 
Date
Time
Today Weather
Yesterday Weather
Air Temp
°C
Water Temp
°C
DO
(% Sat)

E.Coli
(colonies per 100 mL )

pH
(units)
BOD 5
(mg/L)
H2O Temp Change
(°C)
Total Phosphate
(mg/L)
Nitrate
(mg/L)
Turbidity
(NTUs)
Water Quality Index
(%)
10/17/2006
07:30
Heavy Rain
Light Rain
13
14
80
0
7.5
3
0
20
88.82
12/19/2006
07:30
Partly Cloudy
Partly Cloudy
0
7
35
33.3
7.5
0
0
15
69.38
1/30/2007
07:30
Overcast
Partly Cloudy
5
5
60
0
7.5
0
0
70
78.51
4/19/2007
07:30
Partly Cloudy
Partly Cloudy
7
10
65
0
7
0
0
80
82.60
6/1/2007
07:30
Sunny
Sunny
23
22
80
0
8
0
0
5
90.82
8/31/2007
07:30
Sunny
Sunny
17
24
95
0
7.5
0
0
10
93.82
9/28/2007
07:30
Partly Cloudy
Heavy Rain
10
23
90
0
7.5
0
0
15
92.30
10/31/2007
07:30
Sunny
Sunny
16
17
70
67
7.5
0
0
10
79.09
11/28/2007
07:30
Sunny
Overcast
-1
17
85
0
7.5
0
0
15
91.60
12/17/2007
07:30
Sunny
Sunny
11
12
60
0
7.5
0
0
60
79.21
1/28/2008
07:30
Sunny
Sunny
8
7
65
0
8
0
0
13
86.61
   
   
Water Quality Index
90 - 100%
Excellent
70 - 90%
Good
50 - 70%
Medium
25 - 50%
Bad
0 - 25%
Very Bad
   
Guide for Water Quality Ranges
 
Dissolved Oxygen (% Saturation)
91 to 110
Excellent
91 to 90 > 110
Good
51 to 70
Fair
<50
Poor
 
Total Phosphate
< .10
Excellent
.11 to .16
Good
.17 to .58
Fair
.59 to 2.99
Poor
> 3.0
Very Poor
     
E. Coli (colonies per 100 mL)
< 50
Excellent
51 to 200
Good
201 to 1000
Fair
> 1000
Poor
 
Nitrate (NO3) (mg/L)
< 1.32
Excellent
1.76 to 3.52
Good
3.96 to 8.36
Fair
> 8.8
Poor
     
pH (pH units)
6.5 to 7.5
Excellent
6.0 to 6.4
7.6 to 8.0
Good
5.5 to 5.9
8.1 to 8.5
Fair
< 5.5
< 8.6
Poor
 
Turbidity (JTU, NTU)
1 to 10
Excellent
10.1 to 40
Good
40.1 to 150
Fair
> 150
Poor
     
Biochemical Oxygen Demand (mg/L)
<2
Excellent
2.0 to 4.0
Good
4.1 to 10
Fair
> 10
Poor
 
Water Temperature Change (°C)
0 to 2
Excellent
2.2 to 5
Good
5.1 to 9.9
Fair
> 10
Poor
 

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