Well Profile ×
B-40
Designation
Background
Contaminant Status
17
exceedances foundTotal Exceedances / Total Samples
17 / 88 19%
Pollutant Details
NH3
Ammonia
Sb
Antimony
As
Arsenic
Ba
Barium
Be
Beryllium
B
Boron
Cd
Cadmium
Cr
Chromium
Co
Cobalt
Cu
Copper
CN
Cyanide
F
Fluoride
GAP
Gross Alpha
GBP
Gross Beta
Pb
Lead
Mn
Manganese
Hg
Mercury
Mo
Molybdenum
Ni
Nickel
NO3
Nitrate
NO2
Nitrite
Ra
Radium
Se
Selenium
Ag
Silver
Sr
Strontium
SO4
Sulfate
Tl
Thallium
T
Tritium
U
Uranium
Contaminant View ×
Chemical Symbol
Sb
Chemical Name
Antimony
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
0.006 mg/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.0006 mg/L
0.100
5/12/2010
0.0006 mg/L
0.100
8/18/2010
0.0006 mg/L
0.100
11/17/2010
0.003 mg/L
0.500
2/17/2011
0.0006 mg/L
0.100
5/19/2011
0.0006 mg/L
0.100
8/11/2011
0.0006 mg/L
0.100
11/9/11
0.0006 mg/L
0.100
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
As
Chemical Name
Arsenic
No. Exceedances /
Monitoring Measurements
1 / 8 13%
Health-Based Standard
0.01 mg/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.00202 mg/L
0.202
5/12/2010
0.014 mg/L
1.400
8/18/2010
0.00278 mg/L
0.278
11/17/2010
0.00432 mg/L
0.432
2/17/2011
0.00167 mg/L
0.167
5/19/2011
0.00361 mg/L
0.361
8/11/2011
0.0019 mg/L
0.190
11/9/11
0.00418 mg/L
0.418
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
B
Chemical Name
Boron
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
3 mg/L (CHA)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.0676 mg/L
0.023
5/12/2010
0.068 mg/L
0.023
8/18/2010
0.164 mg/L
0.055
11/17/2010
0.177 mg/L
0.059
2/17/2011
0.0519 mg/L
0.017
5/19/2011
0.0744 mg/L
0.025
8/11/2011
0.151 mg/L
0.050
11/9/11
0.0986 mg/L
0.033
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
F
Chemical Name
Fluoride
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
4 mg/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.17 mg/L
0.043
5/12/2010
0.22 mg/L
0.055
8/18/2010
0.2 mg/L
0.050
11/17/2010
0.16 mg/L
0.040
2/17/2011
0.12 mg/L
0.030
5/19/2011
0.268 mg/L
0.067
8/11/2011
0.142 mg/L
0.035
11/9/11
0.1 mg/L
0.025
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
GAP
Chemical Name
Gross Alpha Particle Activity
No. Exceedances /
Monitoring Measurements
8 / 8 100%
Health-Based Standard
15 pCi/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
39 pCi/L
2.600
5/12/2010
38 pCi/L
2.533
8/18/2010
24 pCi/L
1.600
11/17/2010
32 pCi/L
2.133
2/17/2011
28 pCi/L
1.867
5/19/2011
45 pCi/L
3.000
8/11/2011
28 pCi/L
1.867
11/9/11
31 pCi/L
2.067
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
Pb
Chemical Name
Lead
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
0.015 mg/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.00023 mg/L
0.015
5/12/2010
8e-05 mg/L
0.005
8/18/2010
8e-05 mg/L
0.005
11/17/2010
0.0004 mg/L
0.027
2/17/2011
8e-05 mg/L
0.005
5/19/2011
8e-05 mg/L
0.005
8/11/2011
8e-05 mg/L
0.005
11/9/11
8e-05 mg/L
0.005
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
Mn
Chemical Name
Manganese
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
0.3 mg/L (LHA)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.01672 mg/L
0.056
5/12/2010
0.024 mg/L
0.080
8/18/2010
0.01535 mg/L
0.051
11/17/2010
0.0265 mg/L
0.088
2/17/2011
0.01234 mg/L
0.041
5/19/2011
0.0226 mg/L
0.075
8/11/2011
0.0156 mg/L
0.052
11/9/11
0.0202 mg/L
0.067
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
Mo
Chemical Name
Molybdenum
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
0.04 mg/L (LHA)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.0006 mg/L
0.015
5/12/2010
0.00088 mg/L
0.022
8/18/2010
0.0006 mg/L
0.015
11/17/2010
0.003 mg/L
0.075
2/17/2011
0.00064 mg/L
0.016
5/19/2011
0.000769 mg/L
0.019
8/11/2011
0.0006 mg/L
0.015
11/9/11
0.0006 mg/L
0.015
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Formula
NO3
Chemical Name
Nitrate
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
10 mg/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
0.02 mg/L
0.002
5/12/2010
0.01 mg/L
0.001
8/18/2010
0.02 mg/L
0.002
11/17/2010
0.02 mg/L
0.002
2/17/2011
0.02 mg/L
0.002
5/19/2011
0.02 mg/L
0.002
8/11/2011
0.02 mg/L
0.002
11/9/11
0.02 mg/L
0.002
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Formula
SO4
Chemical Name
Sulfate
No. Exceedances /
Monitoring Measurements
8 / 8 100%
Health-Based Standard
500 mg/L (DWA)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
654 mg/L
1.308
5/12/2010
796 mg/L
1.592
8/18/2010
626 mg/L
1.252
11/17/2010
712 mg/L
1.424
2/17/2011
611 mg/L
1.222
5/19/2011
711 mg/L
1.422
8/11/2011
679 mg/L
1.358
11/9/11
724 mg/L
1.448
1Calculated by dividing the sample concentration by the health-based standard.
Contaminant View ×
Chemical Symbol
Tl
Chemical Name
Thallium
No. Exceedances /
Monitoring Measurements
0 / 8 0%
Health-Based Standard
0.002 mg/L (MCL)
Monitoring History
Date
Concentration
Magnitude1
2/11/2010
3e-05 mg/L
0.015
5/12/2010
1e-05 mg/L
0.005
8/18/2010
1e-05 mg/L
0.005
11/17/2010
0.0005 mg/L
0.250
2/17/2011
0.0001 mg/L
0.050
5/19/2011
0.0001 mg/L
0.050
8/11/2011
0.0001 mg/L
0.050
11/9/11
0.0001 mg/L
0.050
1Calculated by dividing the sample concentration by the health-based standard.