NCS000003_2010-2019 Quantitative Stormwater_20191227

Elementis Quantitative Stormwater Results
Date
Rainfall (inches)
Chromium (mg/1)
Nitrate plus Nitrite,
Nitrogen (mg/1)
pH, standard
11/30/2010
1.8
0.035
0.165
7.07
4/5/2011
0.24
0.078
0.27
6.98
11/4/2011
0.12
0.238
0.41
7.07
5/14/2012
0.741
0.3011
0.271
7.07
second half 2012
No Discharge
2/7/2013
1.73
0.041
0.07
7.61
9/16/2013
0.97
0.039
0.44
6.78
6/13/2014
1.331
0.231
0.661
6.65
1st Half 2015
No Discharge
11/2/2015
1.36
0.022
0.06
6.56
5/3/2016
1.79
0.063
<0.02
6.95
9/19/2016
0.88
0.135
0.15
6.98
6/30/2017
6.62
0.346
0.04
6.31
2nd Half 2017
No Discharge
1st Half 2018
No Discharge
12/20/2018
0.61
0.3311
0.621
7.03
1st Half 2019
No Discharge