Mo American St Louis Co St Charles Co Water System
MyTapWater.org's tap water quality report is the compilation of data collected from federal, state, and local government agencies, most prominently the EPA. We strive to populate the report with the latest data concerning water contaminants, lead and copper levels, and water quality violations. We only collect drinking water data from public water systems.
PWS Service Information
PWS ID: MO6010716
Type : Community water system
EPA Region : 07
Primary Service Area: Municipality
Primary Source: Surface water
Population Served: 1,100,000
Contact Information
SIMMONS, TOM SIMMONS, TOM 901 HOG HOLLOW RD CHESTERFIELD, MO 63017-2103 [email protected]
This public water system services 2 counties.
Summary Results
A summary view of tests in which a water contaminant found to exceed the Maximum Contaminant Level ( MCL) set by the EPA.
Maximum Contaminant Levels Exceeded (by year):
2013 (1)
2014 (0)
2015 (0)
2016 (0)
2017 (0)
2018 (0)
chlorate
Contaminant Detailed Results
This a view of violations of maximum contaminant levels. Use the expanded view see result data for a drinking water contaminant, the minimum level that can be recognized in a test (MRL), and upper limit that is considered healthy (HRL).
Below health limit
Exceeded health limit
Year
Test Date
MRLMinimum Reporting Level
HRLHealth Risk Limit
Test Result
2013
2013-11-06
20
210
< 20
2013
2013-11-06
20
210
< 20
2013
2013-11-06
20
210
160
2013
2013-11-05
20
210
< 20
2013
2013-11-05
20
210
120
2013
2013-11-05
20
210
< 20
2013
2013-11-05
20
210
190
2013
2013-11-05
20
210
< 20
2013
2013-11-05
20
210
150
2013
2013-11-05
20
210
< 20
2013
2013-08-08
20
210
< 20
2013
2013-08-08
20
210
360
2013
2013-08-08
20
210
< 20
2013
2013-08-08
20
210
370
2013
2013-08-08
20
210
< 20
2013
2013-08-08
20
210
< 20
2013
2013-08-08
20
210
< 20
2013
2013-08-08
20
210
320
2013
2013-08-08
20
210
< 20
2013
2013-08-08
20
210
340
2013
2013-05-09
20
210
< 20
2013
2013-05-09
20
210
190
2013
2013-05-09
20
210
< 20
2013
2013-05-09
20
210
240
2013
2013-05-09
20
210
< 20
2013
2013-05-09
20
210
< 20
2013
2013-05-09
20
210
< 20
2013
2013-05-09
20
210
260
2013
2013-05-09
20
210
< 20
2013
2013-05-09
20
210
290
2013
2013-02-06
20
210
< 20
2013
2013-02-06
20
210
90
2013
2013-02-06
20
210
< 20
2013
2013-02-06
20
210
210
2013
2013-02-06
20
210
230
2013
2013-02-06
20
210
120
2013
2013-02-05
20
210
< 20
2013
2013-02-05
20
210
< 20
2013
2013-02-05
20
210
< 20
2013
2013-02-05
20
210
< 20
Other Water Contaminants Tested
The following contaminants were tested and found to be within national EPA guidelines.
Contaminant
MRLMinimum Reporting Level
HRLHealth Risk Limit
Avg Result
chromium
0.2
100
1.39
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.2
100
1.3
2013
2013-11-06
0.2
100
1.4
2013
2013-11-06
0.2
100
1.6
2013
2013-11-05
0.2
100
1.7
2013
2013-11-05
0.2
100
2
2013
2013-11-05
0.2
100
1.6
2013
2013-11-05
0.2
100
1.5
2013
2013-11-05
0.2
100
1.5
2013
2013-11-05
0.2
100
1.6
2013
2013-11-05
0.2
100
1.7
2013
2013-08-08
0.2
100
1.5
2013
2013-08-08
0.2
100
1.6
2013
2013-08-08
0.2
100
1.5
2013
2013-08-08
0.2
100
1.5
2013
2013-08-08
0.2
100
1.6
2013
2013-08-08
0.2
100
1.4
2013
2013-08-08
0.2
100
1.6
2013
2013-08-08
0.2
100
1.6
2013
2013-08-08
0.2
100
1.6
2013
2013-08-08
0.2
100
1.5
2013
2013-05-09
0.2
100
0.9
2013
2013-05-09
0.2
100
0.9
2013
2013-05-09
0.2
100
0.9
2013
2013-05-09
0.2
100
1
2013
2013-05-09
0.2
100
1.1
2013
2013-05-09
0.2
100
0.9
2013
2013-05-09
0.2
100
1
2013
2013-05-09
0.2
100
1
2013
2013-05-09
0.2
100
1.1
2013
2013-05-09
0.2
100
0.9
2013
2013-02-06
0.2
100
1.4
2013
2013-02-06
0.2
100
2.6
2013
2013-02-06
0.2
100
1.5
2013
2013-02-06
0.2
100
1.3
2013
2013-02-06
0.2
100
1.2
2013
2013-02-06
0.2
100
1.2
2013
2013-02-05
0.2
100
1.4
2013
2013-02-05
0.2
100
1.3
2013
2013-02-05
0.2
100
1.4
2013
2013-02-05
0.2
100
1.3
[+] Expand Test Data
chromium-6
0.03
0
1.258
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.03
0
1.18
2013
2013-11-06
0.03
0
1.26
2013
2013-11-06
0.03
0
1.43
2013
2013-11-05
0.03
0
1.36
2013
2013-11-05
0.03
0
1.32
2013
2013-11-05
0.03
0
1.26
2013
2013-11-05
0.03
0
1.36
2013
2013-11-05
0.03
0
1.38
2013
2013-11-05
0.03
0
1.27
2013
2013-11-05
0.03
0
1.42
2013
2013-08-08
0.03
0
1.36
2013
2013-08-08
0.03
0
1.55
2013
2013-08-08
0.03
0
1.39
2013
2013-08-08
0.03
0
1.43
2013
2013-08-08
0.03
0
1.38
2013
2013-08-08
0.03
0
1.29
2013
2013-08-08
0.03
0
1.36
2013
2013-08-08
0.03
0
1.52
2013
2013-08-08
0.03
0
1.44
2013
2013-08-08
0.03
0
1.55
2013
2013-05-09
0.03
0
0.95
2013
2013-05-09
0.03
0
0.9
2013
2013-05-09
0.03
0
0.93
2013
2013-05-09
0.03
0
0.96
2013
2013-05-09
0.03
0
1.04
2013
2013-05-09
0.03
0
0.96
2013
2013-05-09
0.03
0
1.05
2013
2013-05-09
0.03
0
0.99
2013
2013-05-09
0.03
0
1.1
2013
2013-05-09
0.03
0
0.86
2013
2013-02-06
0.03
0
1.27
2013
2013-02-06
0.03
0
1.24
2013
2013-02-06
0.03
0
1.51
2013
2013-02-06
0.03
0
1.21
2013
2013-02-06
0.03
0
1.17
2013
2013-02-06
0.03
0
1.21
2013
2013-02-05
0.03
0
1.51
2013
2013-02-05
0.03
0
1.25
2013
2013-02-05
0.03
0
1.31
2013
2013-02-05
0.03
0
1.39
[+] Expand Test Data
cobalt
1
70
< 1
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
1
70
< 1
2013
2013-11-06
1
70
< 1
2013
2013-11-06
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-11-05
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-08-08
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-05-09
1
70
< 1
2013
2013-02-06
1
70
< 1
2013
2013-02-06
1
70
< 1
2013
2013-02-06
1
70
< 1
2013
2013-02-06
1
70
< 1
2013
2013-02-06
1
70
< 1
2013
2013-02-06
1
70
< 1
2013
2013-02-05
1
70
< 1
2013
2013-02-05
1
70
< 1
2013
2013-02-05
1
70
< 1
2013
2013-02-05
1
70
< 1
[+] Expand Test Data
molybdenum
1
40
1.94
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
1
40
3.2
2013
2013-11-06
1
40
3.3
2013
2013-11-06
1
40
1.1
2013
2013-11-05
1
40
3.8
2013
2013-11-05
1
40
1.9
2013
2013-11-05
1
40
3.8
2013
2013-11-05
1
40
< 1
2013
2013-11-05
1
40
3.3
2013
2013-11-05
1
40
< 1
2013
2013-11-05
1
40
3.4
2013
2013-08-08
1
40
3.4
2013
2013-08-08
1
40
< 1
2013
2013-08-08
1
40
4.2
2013
2013-08-08
1
40
< 1
2013
2013-08-08
1
40
3.7
2013
2013-08-08
1
40
3.4
2013
2013-08-08
1
40
2.9
2013
2013-08-08
1
40
< 1
2013
2013-08-08
1
40
3.1
2013
2013-08-08
1
40
< 1
2013
2013-05-09
1
40
1.6
2013
2013-05-09
1
40
1.5
2013
2013-05-09
1
40
1.2
2013
2013-05-09
1
40
1.4
2013
2013-05-09
1
40
1.7
2013
2013-05-09
1
40
1.6
2013
2013-05-09
1
40
1.7
2013
2013-05-09
1
40
1.4
2013
2013-05-09
1
40
1.7
2013
2013-05-09
1
40
1.2
2013
2013-02-06
1
40
1.8
2013
2013-02-06
1
40
1.5
2013
2013-02-06
1
40
2.5
2013
2013-02-06
1
40
1.6
2013
2013-02-06
1
40
1.9
2013
2013-02-06
1
40
1.4
2013
2013-02-05
1
40
2.1
2013
2013-02-05
1
40
1.8
2013
2013-02-05
1
40
1.7
2013
2013-02-05
1
40
1.8
[+] Expand Test Data
strontium
0.3
1500
110.215
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.3
1500
211.3
2013
2013-11-06
0.3
1500
193.9
2013
2013-11-06
0.3
1500
28.2
2013
2013-11-05
0.3
1500
220.3
2013
2013-11-05
0.3
1500
78.9
2013
2013-11-05
0.3
1500
220.2
2013
2013-11-05
0.3
1500
30
2013
2013-11-05
0.3
1500
204.9
2013
2013-11-05
0.3
1500
32.1
2013
2013-11-05
0.3
1500
203.6
2013
2013-08-08
0.3
1500
180.1
2013
2013-08-08
0.3
1500
41.7
2013
2013-08-08
0.3
1500
201.8
2013
2013-08-08
0.3
1500
37.2
2013
2013-08-08
0.3
1500
201
2013
2013-08-08
0.3
1500
182.5
2013
2013-08-08
0.3
1500
160.7
2013
2013-08-08
0.3
1500
34.7
2013
2013-08-08
0.3
1500
171.7
2013
2013-08-08
0.3
1500
34.7
2013
2013-05-09
0.3
1500
102.7
2013
2013-05-09
0.3
1500
61
2013
2013-05-09
0.3
1500
89.7
2013
2013-05-09
0.3
1500
35.4
2013
2013-05-09
0.3
1500
104.1
2013
2013-05-09
0.3
1500
103.8
2013
2013-05-09
0.3
1500
107.7
2013
2013-05-09
0.3
1500
32.6
2013
2013-05-09
0.3
1500
106
2013
2013-05-09
0.3
1500
29.8
2013
2013-02-06
0.3
1500
127
2013
2013-02-06
0.3
1500
54.8
2013
2013-02-06
0.3
1500
169.7
2013
2013-02-06
0.3
1500
32.2
2013
2013-02-06
0.3
1500
26.9
2013
2013-02-06
0.3
1500
28.4
2013
2013-02-05
0.3
1500
138.9
2013
2013-02-05
0.3
1500
129.2
2013
2013-02-05
0.3
1500
128.6
2013
2013-02-05
0.3
1500
130.6
[+] Expand Test Data
vanadium
0.2
21
2.09
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.2
21
3.7
2013
2013-11-06
0.2
21
4.7
2013
2013-11-06
0.2
21
0.7
2013
2013-11-05
0.2
21
4.2
2013
2013-11-05
0.2
21
1.5
2013
2013-11-05
0.2
21
4.4
2013
2013-11-05
0.2
21
0.9
2013
2013-11-05
0.2
21
2.6
2013
2013-11-05
0.2
21
0.8
2013
2013-11-05
0.2
21
2.7
2013
2013-08-08
0.2
21
4.4
2013
2013-08-08
0.2
21
1.4
2013
2013-08-08
0.2
21
4.2
2013
2013-08-08
0.2
21
1.6
2013
2013-08-08
0.2
21
3.3
2013
2013-08-08
0.2
21
3.6
2013
2013-08-08
0.2
21
4.9
2013
2013-08-08
0.2
21
1.7
2013
2013-08-08
0.2
21
2.8
2013
2013-08-08
0.2
21
1.2
2013
2013-05-09
0.2
21
1.9
2013
2013-05-09
0.2
21
0.9
2013
2013-05-09
0.2
21
2.4
2013
2013-05-09
0.2
21
0.4
2013
2013-05-09
0.2
21
1.3
2013
2013-05-09
0.2
21
1.9
2013
2013-05-09
0.2
21
2.7
2013
2013-05-09
0.2
21
< 0.2
2013
2013-05-09
0.2
21
1.2
2013
2013-05-09
0.2
21
0.3
2013
2013-02-06
0.2
21
2.8
2013
2013-02-06
0.2
21
1
2013
2013-02-06
0.2
21
2.3
2013
2013-02-06
0.2
21
0.4
2013
2013-02-06
0.2
21
0.3
2013
2013-02-06
0.2
21
0.3
2013
2013-02-05
0.2
21
1.3
2013
2013-02-05
0.2
21
2.6
2013
2013-02-05
0.2
21
3.2
2013
2013-02-05
0.2
21
1.1
[+] Expand Test Data
1,1-dichloroethane
0.03
6.14
< 0.03
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.03
6.14
< 0.03
2013
2013-11-06
0.03
6.14
< 0.03
2013
2013-11-06
0.03
6.14
< 0.03
2013
2013-11-05
0.03
6.14
< 0.03
2013
2013-11-05
0.03
6.14
< 0.03
2013
2013-08-08
0.03
6.14
< 0.03
2013
2013-08-08
0.03
6.14
< 0.03
2013
2013-08-08
0.03
6.14
< 0.03
2013
2013-08-08
0.03
6.14
< 0.03
2013
2013-08-08
0.03
6.14
< 0.03
2013
2013-05-09
0.03
6.14
< 0.03
2013
2013-05-09
0.03
6.14
< 0.03
2013
2013-05-09
0.03
6.14
< 0.03
2013
2013-05-09
0.03
6.14
< 0.03
2013
2013-05-09
0.03
6.14
< 0.03
2013
2013-02-06
0.03
6.14
< 0.03
2013
2013-02-06
0.03
6.14
< 0.03
2013
2013-02-05
0.03
6.14
< 0.03
2013
2013-02-05
0.03
6.14
< 0.03
2013
2013-02-05
0.03
6.14
< 0.03
[+] Expand Test Data
1,2,3-trichloropropane
0.03
0.0004
< 0.03
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.03
0.0004
< 0.03
2013
2013-11-06
0.03
0.0004
< 0.03
2013
2013-11-06
0.03
0.0004
< 0.03
2013
2013-11-05
0.03
0.0004
< 0.03
2013
2013-11-05
0.03
0.0004
< 0.03
2013
2013-08-08
0.03
0.0004
< 0.03
2013
2013-08-08
0.03
0.0004
< 0.03
2013
2013-08-08
0.03
0.0004
< 0.03
2013
2013-08-08
0.03
0.0004
< 0.03
2013
2013-08-08
0.03
0.0004
< 0.03
2013
2013-05-09
0.03
0.0004
< 0.03
2013
2013-05-09
0.03
0.0004
< 0.03
2013
2013-05-09
0.03
0.0004
< 0.03
2013
2013-05-09
0.03
0.0004
< 0.03
2013
2013-05-09
0.03
0.0004
< 0.03
2013
2013-02-06
0.03
0.0004
< 0.03
2013
2013-02-06
0.03
0.0004
< 0.03
2013
2013-02-05
0.03
0.0004
< 0.03
2013
2013-02-05
0.03
0.0004
< 0.03
2013
2013-02-05
0.03
0.0004
< 0.03
[+] Expand Test Data
1,3-butadiene
0.1
0.0103
< 0.1
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.1
0.0103
< 0.1
2013
2013-11-06
0.1
0.0103
< 0.1
2013
2013-11-06
0.1
0.0103
< 0.1
2013
2013-11-05
0.1
0.0103
< 0.1
2013
2013-11-05
0.1
0.0103
< 0.1
2013
2013-08-08
0.1
0.0103
< 0.1
2013
2013-08-08
0.1
0.0103
< 0.1
2013
2013-08-08
0.1
0.0103
< 0.1
2013
2013-08-08
0.1
0.0103
< 0.1
2013
2013-08-08
0.1
0.0103
< 0.1
2013
2013-05-09
0.1
0.0103
< 0.1
2013
2013-05-09
0.1
0.0103
< 0.1
2013
2013-05-09
0.1
0.0103
< 0.1
2013
2013-05-09
0.1
0.0103
< 0.1
2013
2013-05-09
0.1
0.0103
< 0.1
2013
2013-02-06
0.1
0.0103
< 0.1
2013
2013-02-06
0.1
0.0103
< 0.1
2013
2013-02-05
0.1
0.0103
< 0.1
2013
2013-02-05
0.1
0.0103
< 0.1
2013
2013-02-05
0.1
0.0103
< 0.1
[+] Expand Test Data
1,4-dioxane
0.07
0.35
0.023
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.07
0.35
< 0.07
2013
2013-11-06
0.07
0.35
< 0.07
2013
2013-11-06
0.07
0.35
< 0.07
2013
2013-11-05
0.07
0.35
0.14
2013
2013-11-05
0.07
0.35
< 0.07
2013
2013-08-08
0.07
0.35
< 0.07
2013
2013-08-08
0.07
0.35
< 0.07
2013
2013-08-08
0.07
0.35
< 0.07
2013
2013-08-08
0.07
0.35
< 0.07
2013
2013-08-08
0.07
0.35
< 0.07
2013
2013-05-09
0.07
0.35
< 0.07
2013
2013-05-09
0.07
0.35
< 0.07
2013
2013-05-09
0.07
0.35
0.09
2013
2013-05-09
0.07
0.35
< 0.07
2013
2013-05-09
0.07
0.35
< 0.07
2013
2013-02-06
0.07
0.35
< 0.07
2013
2013-02-06
0.07
0.35
< 0.07
2013
2013-02-05
0.07
0.35
< 0.07
2013
2013-02-05
0.07
0.35
0.08
2013
2013-02-05
0.07
0.35
0.15
[+] Expand Test Data
17-alpha-ethynylestradiol
0.0009
0.035
< 0.0009
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.0009
0.035
< 0.0009
2013
2013-11-06
0.0009
0.035
< 0.0009
2013
2013-11-06
0.0009
0.035
< 0.0009
2013
2013-11-05
0.0009
0.035
< 0.0009
2013
2013-11-05
0.0009
0.035
< 0.0009
2013
2013-08-08
0.0009
0.035
< 0.0009
2013
2013-08-08
0.0009
0.035
< 0.0009
2013
2013-08-08
0.0009
0.035
< 0.0009
2013
2013-08-08
0.0009
0.035
< 0.0009
2013
2013-08-08
0.0009
0.035
< 0.0009
2013
2013-05-09
0.0009
0.035
< 0.0009
2013
2013-05-09
0.0009
0.035
< 0.0009
2013
2013-05-09
0.0009
0.035
< 0.0009
2013
2013-05-09
0.0009
0.035
< 0.0009
2013
2013-05-09
0.0009
0.035
< 0.0009
2013
2013-02-06
0.0009
0.035
< 0.0009
2013
2013-02-06
0.0009
0.035
< 0.0009
2013
2013-02-05
0.0009
0.035
< 0.0009
2013
2013-02-05
0.0009
0.035
< 0.0009
2013
2013-02-05
0.0009
0.035
< 0.0009
[+] Expand Test Data
17-beta-estradiol
0.0004
0.0009
< 0.0004
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.0004
0.0009
< 0.0004
2013
2013-11-06
0.0004
0.0009
< 0.0004
2013
2013-11-06
0.0004
0.0009
< 0.0004
2013
2013-11-05
0.0004
0.0009
< 0.0004
2013
2013-11-05
0.0004
0.0009
< 0.0004
2013
2013-08-08
0.0004
0.0009
< 0.0004
2013
2013-08-08
0.0004
0.0009
< 0.0004
2013
2013-08-08
0.0004
0.0009
< 0.0004
2013
2013-08-08
0.0004
0.0009
< 0.0004
2013
2013-08-08
0.0004
0.0009
< 0.0004
2013
2013-05-09
0.0004
0.0009
< 0.0004
2013
2013-05-09
0.0004
0.0009
< 0.0004
2013
2013-05-09
0.0004
0.0009
< 0.0004
2013
2013-05-09
0.0004
0.0009
< 0.0004
2013
2013-05-09
0.0004
0.0009
< 0.0004
2013
2013-02-06
0.0004
0.0009
< 0.0004
2013
2013-02-06
0.0004
0.0009
< 0.0004
2013
2013-02-05
0.0004
0.0009
< 0.0004
2013
2013-02-05
0.0004
0.0009
< 0.0004
2013
2013-02-05
0.0004
0.0009
< 0.0004
[+] Expand Test Data
4-androstene-3,17-dione
0.0003
0
< 0.0003
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.0003
0
< 0.0003
2013
2013-11-06
0.0003
0
< 0.0003
2013
2013-11-06
0.0003
0
< 0.0003
2013
2013-11-05
0.0003
0
< 0.0003
2013
2013-11-05
0.0003
0
< 0.0003
2013
2013-08-08
0.0003
0
< 0.0003
2013
2013-08-08
0.0003
0
< 0.0003
2013
2013-08-08
0.0003
0
< 0.0003
2013
2013-08-08
0.0003
0
< 0.0003
2013
2013-08-08
0.0003
0
< 0.0003
2013
2013-05-09
0.0003
0
< 0.0003
2013
2013-05-09
0.0003
0
< 0.0003
2013
2013-05-09
0.0003
0
< 0.0003
2013
2013-05-09
0.0003
0
< 0.0003
2013
2013-05-09
0.0003
0
< 0.0003
2013
2013-02-06
0.0003
0
< 0.0003
2013
2013-02-06
0.0003
0
< 0.0003
2013
2013-02-05
0.0003
0
< 0.0003
2013
2013-02-05
0.0003
0
< 0.0003
2013
2013-02-05
0.0003
0
< 0.0003
[+] Expand Test Data
bromomethane
0.2
140
< 0.2
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.2
140
< 0.2
2013
2013-11-06
0.2
140
< 0.2
2013
2013-11-06
0.2
140
< 0.2
2013
2013-11-05
0.2
140
< 0.2
2013
2013-11-05
0.2
140
< 0.2
2013
2013-08-08
0.2
140
< 0.2
2013
2013-08-08
0.2
140
< 0.2
2013
2013-08-08
0.2
140
< 0.2
2013
2013-08-08
0.2
140
< 0.2
2013
2013-08-08
0.2
140
< 0.2
2013
2013-05-09
0.2
140
< 0.2
2013
2013-05-09
0.2
140
< 0.2
2013
2013-05-09
0.2
140
< 0.2
2013
2013-05-09
0.2
140
< 0.2
2013
2013-05-09
0.2
140
< 0.2
2013
2013-02-06
0.2
140
< 0.2
2013
2013-02-06
0.2
140
< 0.2
2013
2013-02-05
0.2
140
< 0.2
2013
2013-02-05
0.2
140
< 0.2
2013
2013-02-05
0.2
140
< 0.2
[+] Expand Test Data
chloromethane
0.2
2.69
< 0.2
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.2
2.69
< 0.2
2013
2013-11-06
0.2
2.69
< 0.2
2013
2013-11-06
0.2
2.69
< 0.2
2013
2013-11-05
0.2
2.69
< 0.2
2013
2013-11-05
0.2
2.69
< 0.2
2013
2013-08-08
0.2
2.69
< 0.2
2013
2013-08-08
0.2
2.69
< 0.2
2013
2013-08-08
0.2
2.69
< 0.2
2013
2013-08-08
0.2
2.69
< 0.2
2013
2013-08-08
0.2
2.69
< 0.2
2013
2013-05-09
0.2
2.69
< 0.2
2013
2013-05-09
0.2
2.69
< 0.2
2013
2013-05-09
0.2
2.69
< 0.2
2013
2013-05-09
0.2
2.69
< 0.2
2013
2013-05-09
0.2
2.69
< 0.2
2013
2013-02-06
0.2
2.69
< 0.2
2013
2013-02-06
0.2
2.69
< 0.2
2013
2013-02-05
0.2
2.69
< 0.2
2013
2013-02-05
0.2
2.69
< 0.2
2013
2013-02-05
0.2
2.69
< 0.2
[+] Expand Test Data
equilin
0.004
0.35
< 0.004
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.004
0.35
< 0.004
2013
2013-11-06
0.004
0.35
< 0.004
2013
2013-11-06
0.004
0.35
< 0.004
2013
2013-11-05
0.004
0.35
< 0.004
2013
2013-11-05
0.004
0.35
< 0.004
2013
2013-08-08
0.004
0.35
< 0.004
2013
2013-08-08
0.004
0.35
< 0.004
2013
2013-08-08
0.004
0.35
< 0.004
2013
2013-08-08
0.004
0.35
< 0.004
2013
2013-08-08
0.004
0.35
< 0.004
2013
2013-05-09
0.004
0.35
< 0.004
2013
2013-05-09
0.004
0.35
< 0.004
2013
2013-05-09
0.004
0.35
< 0.004
2013
2013-05-09
0.004
0.35
< 0.004
2013
2013-05-09
0.004
0.35
< 0.004
2013
2013-02-06
0.004
0.35
< 0.004
2013
2013-02-06
0.004
0.35
< 0.004
2013
2013-02-05
0.004
0.35
< 0.004
2013
2013-02-05
0.004
0.35
< 0.004
2013
2013-02-05
0.004
0.35
< 0.004
[+] Expand Test Data
estriol
0.0008
0.35
< 0.0008
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.0008
0.35
< 0.0008
2013
2013-11-06
0.0008
0.35
< 0.0008
2013
2013-11-06
0.0008
0.35
< 0.0008
2013
2013-11-05
0.0008
0.35
< 0.0008
2013
2013-11-05
0.0008
0.35
< 0.0008
2013
2013-08-08
0.0008
0.35
< 0.0008
2013
2013-08-08
0.0008
0.35
< 0.0008
2013
2013-08-08
0.0008
0.35
< 0.0008
2013
2013-08-08
0.0008
0.35
< 0.0008
2013
2013-08-08
0.0008
0.35
< 0.0008
2013
2013-05-09
0.0008
0.35
< 0.0008
2013
2013-05-09
0.0008
0.35
< 0.0008
2013
2013-05-09
0.0008
0.35
< 0.0008
2013
2013-05-09
0.0008
0.35
< 0.0008
2013
2013-05-09
0.0008
0.35
< 0.0008
2013
2013-02-06
0.0008
0.35
< 0.0008
2013
2013-02-06
0.0008
0.35
< 0.0008
2013
2013-02-05
0.0008
0.35
< 0.0008
2013
2013-02-05
0.0008
0.35
< 0.0008
2013
2013-02-05
0.0008
0.35
< 0.0008
[+] Expand Test Data
estrone
0.002
0.35
< 0.002
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.002
0.35
< 0.002
2013
2013-11-06
0.002
0.35
< 0.002
2013
2013-11-06
0.002
0.35
< 0.002
2013
2013-11-05
0.002
0.35
< 0.002
2013
2013-11-05
0.002
0.35
< 0.002
2013
2013-08-08
0.002
0.35
< 0.002
2013
2013-08-08
0.002
0.35
< 0.002
2013
2013-08-08
0.002
0.35
< 0.002
2013
2013-08-08
0.002
0.35
< 0.002
2013
2013-08-08
0.002
0.35
< 0.002
2013
2013-05-09
0.002
0.35
< 0.002
2013
2013-05-09
0.002
0.35
< 0.002
2013
2013-05-09
0.002
0.35
< 0.002
2013
2013-05-09
0.002
0.35
< 0.002
2013
2013-05-09
0.002
0.35
< 0.002
2013
2013-02-06
0.002
0.35
< 0.002
2013
2013-02-06
0.002
0.35
< 0.002
2013
2013-02-05
0.002
0.35
< 0.002
2013
2013-02-05
0.002
0.35
< 0.002
2013
2013-02-05
0.002
0.35
< 0.002
[+] Expand Test Data
Halon 1011
0.06
90
< 0.06
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.06
90
< 0.06
2013
2013-11-06
0.06
90
< 0.06
2013
2013-11-06
0.06
90
< 0.06
2013
2013-11-05
0.06
90
< 0.06
2013
2013-11-05
0.06
90
< 0.06
2013
2013-08-08
0.06
90
< 0.06
2013
2013-08-08
0.06
90
< 0.06
2013
2013-08-08
0.06
90
< 0.06
2013
2013-08-08
0.06
90
< 0.06
2013
2013-08-08
0.06
90
< 0.06
2013
2013-05-09
0.06
90
< 0.06
2013
2013-05-09
0.06
90
< 0.06
2013
2013-05-09
0.06
90
< 0.06
2013
2013-05-09
0.06
90
< 0.06
2013
2013-05-09
0.06
90
< 0.06
2013
2013-02-06
0.06
90
< 0.06
2013
2013-02-06
0.06
90
< 0.06
2013
2013-02-05
0.06
90
< 0.06
2013
2013-02-05
0.06
90
< 0.06
2013
2013-02-05
0.06
90
< 0.06
[+] Expand Test Data
HCFC-22
0.08
0
< 0.08
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.08
0
< 0.08
2013
2013-11-06
0.08
0
< 0.08
2013
2013-11-06
0.08
0
< 0.08
2013
2013-11-05
0.08
0
< 0.08
2013
2013-11-05
0.08
0
< 0.08
2013
2013-08-08
0.08
0
< 0.08
2013
2013-08-08
0.08
0
< 0.08
2013
2013-08-08
0.08
0
< 0.08
2013
2013-08-08
0.08
0
< 0.08
2013
2013-08-08
0.08
0
< 0.08
2013
2013-05-09
0.08
0
< 0.08
2013
2013-05-09
0.08
0
< 0.08
2013
2013-05-09
0.08
0
< 0.08
2013
2013-05-09
0.08
0
< 0.08
2013
2013-05-09
0.08
0
< 0.08
2013
2013-02-06
0.08
0
< 0.08
2013
2013-02-06
0.08
0
< 0.08
2013
2013-02-05
0.08
0
< 0.08
2013
2013-02-05
0.08
0
< 0.08
2013
2013-02-05
0.08
0
< 0.08
[+] Expand Test Data
PFBS
0.09
0
< 0.09
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.09
0
< 0.09
2013
2013-11-06
0.09
0
< 0.09
2013
2013-11-06
0.09
0
< 0.09
2013
2013-11-05
0.09
0
< 0.09
2013
2013-11-05
0.09
0
< 0.09
2013
2013-08-08
0.09
0
< 0.09
2013
2013-08-08
0.09
0
< 0.09
2013
2013-08-08
0.09
0
< 0.09
2013
2013-08-08
0.09
0
< 0.09
2013
2013-08-08
0.09
0
< 0.09
2013
2013-05-09
0.09
0
< 0.09
2013
2013-05-09
0.09
0
< 0.09
2013
2013-05-09
0.09
0
< 0.09
2013
2013-05-09
0.09
0
< 0.09
2013
2013-05-09
0.09
0
< 0.09
2013
2013-02-06
0.09
0
< 0.09
2013
2013-02-06
0.09
0
< 0.09
2013
2013-02-05
0.09
0
< 0.09
2013
2013-02-05
0.09
0
< 0.09
2013
2013-02-05
0.09
0
< 0.09
[+] Expand Test Data
PFHpA
0.01
0
< 0.01
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.01
0
< 0.01
2013
2013-11-06
0.01
0
< 0.01
2013
2013-11-06
0.01
0
< 0.01
2013
2013-11-05
0.01
0
< 0.01
2013
2013-11-05
0.01
0
< 0.01
2013
2013-08-08
0.01
0
< 0.01
2013
2013-08-08
0.01
0
< 0.01
2013
2013-08-08
0.01
0
< 0.01
2013
2013-08-08
0.01
0
< 0.01
2013
2013-08-08
0.01
0
< 0.01
2013
2013-05-09
0.01
0
< 0.01
2013
2013-05-09
0.01
0
< 0.01
2013
2013-05-09
0.01
0
< 0.01
2013
2013-05-09
0.01
0
< 0.01
2013
2013-05-09
0.01
0
< 0.01
2013
2013-02-06
0.01
0
< 0.01
2013
2013-02-06
0.01
0
< 0.01
2013
2013-02-05
0.01
0
< 0.01
2013
2013-02-05
0.01
0
< 0.01
2013
2013-02-05
0.01
0
< 0.01
[+] Expand Test Data
PFHxS
0.03
0
< 0.03
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.03
0
< 0.03
2013
2013-11-06
0.03
0
< 0.03
2013
2013-11-06
0.03
0
< 0.03
2013
2013-11-05
0.03
0
< 0.03
2013
2013-11-05
0.03
0
< 0.03
2013
2013-08-08
0.03
0
< 0.03
2013
2013-08-08
0.03
0
< 0.03
2013
2013-08-08
0.03
0
< 0.03
2013
2013-08-08
0.03
0
< 0.03
2013
2013-08-08
0.03
0
< 0.03
2013
2013-05-09
0.03
0
< 0.03
2013
2013-05-09
0.03
0
< 0.03
2013
2013-05-09
0.03
0
< 0.03
2013
2013-05-09
0.03
0
< 0.03
2013
2013-05-09
0.03
0
< 0.03
2013
2013-02-06
0.03
0
< 0.03
2013
2013-02-06
0.03
0
< 0.03
2013
2013-02-05
0.03
0
< 0.03
2013
2013-02-05
0.03
0
< 0.03
2013
2013-02-05
0.03
0
< 0.03
[+] Expand Test Data
PFNA
0.02
0
< 0.02
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.02
0
< 0.02
2013
2013-11-06
0.02
0
< 0.02
2013
2013-11-06
0.02
0
< 0.02
2013
2013-11-05
0.02
0
< 0.02
2013
2013-11-05
0.02
0
< 0.02
2013
2013-08-08
0.02
0
< 0.02
2013
2013-08-08
0.02
0
< 0.02
2013
2013-08-08
0.02
0
< 0.02
2013
2013-08-08
0.02
0
< 0.02
2013
2013-08-08
0.02
0
< 0.02
2013
2013-05-09
0.02
0
< 0.02
2013
2013-05-09
0.02
0
< 0.02
2013
2013-05-09
0.02
0
< 0.02
2013
2013-05-09
0.02
0
< 0.02
2013
2013-05-09
0.02
0
< 0.02
2013
2013-02-06
0.02
0
< 0.02
2013
2013-02-06
0.02
0
< 0.02
2013
2013-02-05
0.02
0
< 0.02
2013
2013-02-05
0.02
0
< 0.02
2013
2013-02-05
0.02
0
< 0.02
[+] Expand Test Data
PFOA
0.02
0.07
< 0.02
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.02
0.07
< 0.02
2013
2013-11-06
0.02
0.07
< 0.02
2013
2013-11-06
0.02
0.07
< 0.02
2013
2013-11-05
0.02
0.07
< 0.02
2013
2013-11-05
0.02
0.07
< 0.02
2013
2013-08-08
0.02
0.07
< 0.02
2013
2013-08-08
0.02
0.07
< 0.02
2013
2013-08-08
0.02
0.07
< 0.02
2013
2013-08-08
0.02
0.07
< 0.02
2013
2013-08-08
0.02
0.07
< 0.02
2013
2013-05-09
0.02
0.07
< 0.02
2013
2013-05-09
0.02
0.07
< 0.02
2013
2013-05-09
0.02
0.07
< 0.02
2013
2013-05-09
0.02
0.07
< 0.02
2013
2013-05-09
0.02
0.07
< 0.02
2013
2013-02-06
0.02
0.07
< 0.02
2013
2013-02-06
0.02
0.07
< 0.02
2013
2013-02-05
0.02
0.07
< 0.02
2013
2013-02-05
0.02
0.07
< 0.02
2013
2013-02-05
0.02
0.07
< 0.02
[+] Expand Test Data
PFOS
0.04
0.07
< 0.04
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.04
0.07
< 0.04
2013
2013-11-06
0.04
0.07
< 0.04
2013
2013-11-06
0.04
0.07
< 0.04
2013
2013-11-05
0.04
0.07
< 0.04
2013
2013-11-05
0.04
0.07
< 0.04
2013
2013-08-08
0.04
0.07
< 0.04
2013
2013-08-08
0.04
0.07
< 0.04
2013
2013-08-08
0.04
0.07
< 0.04
2013
2013-08-08
0.04
0.07
< 0.04
2013
2013-08-08
0.04
0.07
< 0.04
2013
2013-05-09
0.04
0.07
< 0.04
2013
2013-05-09
0.04
0.07
< 0.04
2013
2013-05-09
0.04
0.07
< 0.04
2013
2013-05-09
0.04
0.07
< 0.04
2013
2013-05-09
0.04
0.07
< 0.04
2013
2013-02-06
0.04
0.07
< 0.04
2013
2013-02-06
0.04
0.07
< 0.04
2013
2013-02-05
0.04
0.07
< 0.04
2013
2013-02-05
0.04
0.07
< 0.04
2013
2013-02-05
0.04
0.07
< 0.04
[+] Expand Test Data
testosterone
0.0001
0
< 0.0001
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2013
2013-11-06
0.0001
0
< 0.0001
2013
2013-11-06
0.0001
0
< 0.0001
2013
2013-11-06
0.0001
0
0.0002
2013
2013-11-05
0.0001
0
0.0001
2013
2013-11-05
0.0001
0
< 0.0001
2013
2013-08-08
0.0001
0
< 0.0001
2013
2013-08-08
0.0001
0
< 0.0001
2013
2013-08-08
0.0001
0
< 0.0001
2013
2013-08-08
0.0001
0
< 0.0001
2013
2013-08-08
0.0001
0
< 0.0001
2013
2013-05-09
0.0001
0
< 0.0001
2013
2013-05-09
0.0001
0
< 0.0001
2013
2013-05-09
0.0001
0
< 0.0001
2013
2013-05-09
0.0001
0
< 0.0001
2013
2013-05-09
0.0001
0
< 0.0001
2013
2013-02-06
0.0001
0
< 0.0001
2013
2013-02-06
0.0001
0
< 0.0001
2013
2013-02-05
0.0001
0
< 0.0001
2013
2013-02-05
0.0001
0
< 0.0001
2013
2013-02-05
0.0001
0
< 0.0001
[+] Expand Test Data
Lead and Copper Data
Lead and copper are recorded separately from other contaminants because of the Lead and Copper Rule. As with all other results, these are the findings at the water supply level. Lead and copper can be — and often are — deposited in drinking water in between the water facility and your tap.
Sample ID
Contaminant
Sampling Start Date
Sampling End Date
Result
MO44461
lead
2017-01-01
2019-12-31
0.001mg/L
MO39822
lead
2014-01-01
2016-12-31
0.003mg/L
MO34811
lead
2011-01-01
2013-12-31
0.002mg/L
MO30090
lead
2008-01-01
2010-12-31
0.002mg/L
Violations
Known violations of the Safe Drinking Water Act as recorded by the EPA.
Compliance Dates
Rule
Violation Type
Contaminant Name
Status
2010-06-01 - 2010-06-30
Long Term 1 Enhanced Surface Water Treatment Rule
Single Turbidity Exceed (Enhanced SWTR)
Interim Enhanced Surfsce Water Treatment Rule
Returned to Compliance
2007-08-01 - 2007-08-31
Long Term 1 Enhanced Surface Water Treatment Rule
Single Turbidity Exceed (Enhanced SWTR)
Interim Enhanced Surfsce Water Treatment Rule
Returned to Compliance
2005-06-01 - 2005-06-30
Long Term 1 Enhanced Surface Water Treatment Rule
Monitoring, Turbidity (Enhanced SWTR)
Interim Enhanced Surfsce Water Treatment Rule
Known
Local Water Testing
Find a lab in your area so you can get your tap or well water tested. This list contains both governmental and private labs, all of which are EPA-certified for drinking water testing.
Water Bill Information
Convenient information about your water service.
Unable to identify any billing information about Mo American St Louis Co St Charles Co (MO6010716).
What My Water Data Means
Water data isn't always easy to interpret, but by following the links on this page you should be able to have most of your questions answered. By clicking the name of a water contaminant or secondary substance you can learn about that specific substance. Ultimately this page should give you some insight towards learning if your water is safe , what water filter you should buy (if any), and how well your local water compares against other sources.
Sources
The origin of MyTapWater.org's water data is explained on our Data Sources page.
Why Is My Water Data Not More Recent?
The recency of the data for your ZIP code depends on the last your water source was tested, by a federal, state, or local agency. More information about the timing can be determined by learning about the dataset in question and seeing how often the EPA (other another governing body) mandated testing.