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| School |
Randolph Central High School |
| Ohio Rivermile/Tributary |
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| Web Site |
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| City |
Randolph |
| State |
NY |
| Class |
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| Instructor |
Paul Steward |
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Photo Gallery |
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Water Quality Index Results |
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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
(%) |
|
1/29/2007 |
10:00 |
Overcast |
Overcast |
-2 |
0 |
140 |
|
7.8 |
|
2 |
8 |
0.3 |
15 |
66.72 |
|
6/1/2007 |
15:00 |
Sunny |
Sunny |
28.8 |
19 |
85 |
|
7.8 |
|
2 |
7 |
0.22 |
47 |
71.04 |
|
5/27/2007 |
10:00 |
Sunny |
Sunny |
25 |
16 |
77 |
|
6.3 |
|
1 |
0.5 |
8.8 |
7 |
75.76 |
|
6/7/2007 |
10:00 |
Sunny |
Sunny |
25 |
16 |
105 |
|
6.3 |
|
1 |
0.5 |
1 |
85 |
75.66 |
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90 - 100% |
Excellent |
70 - 90% |
Good |
50 - 70% |
Medium |
25 - 50% |
Bad |
0 - 25% |
Very Bad |
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Dissolved Oxygen (% Saturation) |
|
|
|
91 to 110 |
Excellent |
|
91 to 90 > 110 |
Good |
51 to 70 |
Fair |
<50 |
Poor |
|
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|
|
|
Total Phosphate |
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|
|
< .10 |
Excellent |
|
.11 to .16 |
Good |
.17 to .58 |
Fair |
.59 to 2.99 |
Poor |
|
> 3.0 |
Very Poor |
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E. Coli (colonies per 100 mL) |
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|
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< 50 |
Excellent |
|
51 to 200 |
Good |
201 to 1000 |
Fair |
> 1000 |
Poor |
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Nitrate (NO3) (mg/L) |
|
|
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< 1.32 |
Excellent |
|
1.76 to 3.52 |
Good |
3.96 to 8.36 |
Fair |
> 8.8 |
Poor |
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pH (pH units) |
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|
|
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 |
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Turbidity (JTU, NTU) |
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|
|
1 to 10 |
Excellent |
|
10.1 to 40 |
Good |
40.1 to 150 |
Fair |
> 150 |
Poor |
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Biochemical Oxygen Demand (mg/L) |
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|
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<2 |
Excellent |
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2.0 to 4.0 |
Good |
4.1 to 10 |
Fair |
> 10 |
Poor |
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Water Temperature Change (°C) |
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|
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0 to 2 |
Excellent |
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2.2 to 5 |
Good |
5.1 to 9.9 |
Fair |
> 10 |
Poor |
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Public Information Department - RiverWatchers Program
5735 Kellogg Avenue
Cincinnati, OH 45202
513.231.7719
|
