TPDES Stormwater Annual Report FY2019 | Seite 56

Parameter
Fiscal Year 2018
Fiscal Year 2019
Difference
Percent Change
Water Temperature Minimum
4.79
6.65
+ 1.86
0.39
Maximum
34.4
37
+ 2.6
0.08
Mean
19.89
17.5728125
- 2.32
0.12
Dissolved Oxygen Minimum
1.5
3.83
+ 2.33
1.55
Maximum
16.09
13
- 3.09
0.19
Mean
7.88
8.7
+ 0.82
0.1
Specific Conductance Minimum
158.9
259.8
+ 100.9
0.63
Maximum
1582
1522
- 60
0.04
Mean
569.34
789.67
+ 220.33
0.39
pH Minimum
6.53
6.47
- 0.06
0.01
Maximum
8.7
8.49
- 0.21
0.02
Mean
7.48
7.44
- 0.04
0.01
Total Phosphorus Minimum
0.04
0.03
- 0.01
0.25
Maximum
0.41
0.14
- 0.27
0.66
Mean
0.14
0.064
- 0.08
0.54
E . Coli Minimum
4
10
+ 6
1.5
Maximum
68700
9678
- 59022
0.86
Mean
2613.9
1786.03
- 827.87
0.32
Nitrate Minimum
< 0.05
0.06
+ 0.01
0.2
Maximum
0.97
0.69
- 0.28
0.29
Mean
0.26
0.33
+ 0.07
0.27
Flow ( ft 3 / s ) Minimum
0.004
0.03
+ 0.026
6.5
Maximum
6.34
81.438
+ 75.1
11.85
Mean
0.62
6.62
+ 6
9.68
Additional analytes may be added in subsequent reporting periods to gauge overall watershed health .
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