La Crosse Waterworks 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: WI6320309
Type : Community water system
EPA Region : 05
Primary Service Area: Residential Area
Primary Source: Ground water
Population Served: 53,000
Contact Information
CITY OF LA CROSSE CITY HALL 400 LA CROSSE ST La Crosse, WI 54601
This public water system services 1 municipality in 1 county.
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 (0)
2014 (1)
2015 (0)
2016 (0)
2017 (0)
2018 (0)
PFOS
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).
PFOS
Below health limit
Exceeded health limit
Year
Test Date
MRLMinimum Reporting Level
HRLHealth Risk Limit
Test Result
2015
2015-06-16
0.04
0.07
< 0.04
2015
2015-06-16
0.04
0.07
< 0.04
2015
2015-06-16
0.04
0.07
< 0.04
2015
2015-05-04
0.04
0.07
< 0.04
2014
2014-12-09
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-12-08
0.04
0.07
0.14
2014
2014-12-08
0.04
0.07
< 0.04
2014
2014-07-23
0.04
0.07
< 0.04
2014
2014-06-24
0.04
0.07
< 0.04
2014
2014-06-10
0.04
0.07
< 0.04
2014
2014-06-10
0.04
0.07
0.053
2014
2014-06-10
0.04
0.07
< 0.04
2014
2014-06-10
0.04
0.07
< 0.04
2014
2014-06-10
0.04
0.07
< 0.04
2014
2014-06-09
0.04
0.07
< 0.04
2014
2014-06-09
0.04
0.07
< 0.04
2014
2014-06-09
0.04
0.07
< 0.04
2014
2014-06-09
0.04
0.07
< 0.04
2014
2014-06-09
0.04
0.07
< 0.04
2014
2014-06-09
0.04
0.07
< 0.04
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
chlorate
20
210
3.6061
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
20
210
< 20
2015
2015-06-16
20
210
< 20
2015
2015-06-16
20
210
< 20
2015
2015-05-04
20
210
< 20
2014
2014-12-09
20
210
< 20
2014
2014-12-09
20
210
20
2014
2014-12-09
20
210
< 20
2014
2014-12-09
20
210
< 20
2014
2014-12-08
20
210
31
2014
2014-12-08
20
210
38
2014
2014-12-08
20
210
< 20
2014
2014-12-08
20
210
< 20
2014
2014-12-08
20
210
< 20
2014
2014-12-08
20
210
< 20
2014
2014-12-08
20
210
< 20
2014
2014-12-08
20
210
< 20
2014
2014-07-23
20
210
< 20
2014
2014-07-21
20
210
< 20
2014
2014-07-21
20
210
< 20
2014
2014-06-24
20
210
< 20
2014
2014-06-16
20
210
< 20
2014
2014-06-16
20
210
< 20
2014
2014-06-10
20
210
< 20
2014
2014-06-10
20
210
< 20
2014
2014-06-10
20
210
< 20
2014
2014-06-10
20
210
< 20
2014
2014-06-10
20
210
< 20
2014
2014-06-09
20
210
< 20
2014
2014-06-09
20
210
30
2014
2014-06-09
20
210
< 20
2014
2014-06-09
20
210
< 20
2014
2014-06-09
20
210
< 20
2014
2014-06-09
20
210
< 20
[+] Expand Test Data
chromium
0.2
100
0.7906
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.2
100
< 0.2
2015
2015-06-16
0.2
100
0.24
2015
2015-06-16
0.2
100
0.84
2015
2015-05-04
0.2
100
1.8
2014
2014-12-09
0.2
100
0.84
2014
2014-12-09
0.2
100
0.55
2014
2014-12-09
0.2
100
1.2
2014
2014-12-09
0.2
100
0.24
2014
2014-12-08
0.2
100
1.1
2014
2014-12-08
0.2
100
1.5
2014
2014-12-08
0.2
100
1.7
2014
2014-12-08
0.2
100
1.3
2014
2014-12-08
0.2
100
0.47
2014
2014-12-08
0.2
100
1.2
2014
2014-12-08
0.2
100
0.5
2014
2014-12-08
0.2
100
0.42
2014
2014-07-23
0.2
100
1.2
2014
2014-07-21
0.2
100
0.86
2014
2014-07-21
0.2
100
1
2014
2014-07-07
0.2
100
0.86
2014
2014-07-07
0.2
100
1.4
2014
2014-07-07
0.2
100
1.6
2014
2014-07-07
0.2
100
1.4
2014
2014-07-07
0.2
100
0.3
2014
2014-07-07
0.2
100
1
2014
2014-07-07
0.2
100
0.28
2014
2014-07-07
0.2
100
0.67
2014
2014-07-07
0.2
100
0.24
2014
2014-06-24
0.2
100
< 0.2
2014
2014-06-16
0.2
100
0.28
2014
2014-06-16
0.2
100
1.1
2014
2014-06-10
0.2
100
< 0.2
2014
2014-06-10
0.2
100
< 0.2
[+] Expand Test Data
chromium-6
0.03
0
0.7333
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.03
0
< 0.03
2015
2015-06-16
0.03
0
0.18
2015
2015-06-16
0.03
0
0.81
2015
2015-05-27
0.03
0
1.6
2014
2014-12-09
0.03
0
0.67
2014
2014-12-09
0.03
0
0.44
2014
2014-12-09
0.03
0
1.1
2014
2014-12-09
0.03
0
0.11
2014
2014-12-08
0.03
0
0.95
2014
2014-12-08
0.03
0
1.3
2014
2014-12-08
0.03
0
1.6
2014
2014-12-08
0.03
0
1.1
2014
2014-12-08
0.03
0
0.33
2014
2014-12-08
0.03
0
1
2014
2014-12-08
0.03
0
0.34
2014
2014-12-08
0.03
0
0.26
2014
2014-07-23
0.03
0
0.97
2014
2014-07-21
0.03
0
0.86
2014
2014-07-21
0.03
0
0.99
2014
2014-06-24
0.03
0
< 0.03
2014
2014-06-16
0.03
0
0.3
2014
2014-06-16
0.03
0
1.2
2014
2014-06-10
0.03
0
0.11
2014
2014-06-10
0.03
0
0.28
2014
2014-06-10
0.03
0
0.13
2014
2014-06-10
0.03
0
0.69
2014
2014-06-10
0.03
0
0.24
2014
2014-06-09
0.03
0
0.91
2014
2014-06-09
0.03
0
1.3
2014
2014-06-09
0.03
0
1.6
2014
2014-06-09
0.03
0
1.5
2014
2014-06-09
0.03
0
0.33
2014
2014-06-09
0.03
0
1
[+] Expand Test Data
cobalt
1
70
< 1
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
1
70
< 1
2015
2015-06-16
1
70
< 1
2015
2015-06-16
1
70
< 1
2015
2015-05-04
1
70
< 1
2014
2014-12-09
1
70
< 1
2014
2014-12-09
1
70
< 1
2014
2014-12-09
1
70
< 1
2014
2014-12-09
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-12-08
1
70
< 1
2014
2014-07-23
1
70
< 1
2014
2014-07-21
1
70
< 1
2014
2014-07-21
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-07-07
1
70
< 1
2014
2014-06-24
1
70
< 1
2014
2014-06-16
1
70
< 1
2014
2014-06-16
1
70
< 1
2014
2014-06-10
1
70
< 1
2014
2014-06-10
1
70
< 1
[+] Expand Test Data
molybdenum
1
40
0.0333
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
1
40
1.1
2015
2015-06-16
1
40
< 1
2015
2015-06-16
1
40
< 1
2015
2015-05-04
1
40
< 1
2014
2014-12-09
1
40
< 1
2014
2014-12-09
1
40
< 1
2014
2014-12-09
1
40
< 1
2014
2014-12-09
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-12-08
1
40
< 1
2014
2014-07-23
1
40
< 1
2014
2014-07-21
1
40
< 1
2014
2014-07-21
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-07-07
1
40
< 1
2014
2014-06-24
1
40
< 1
2014
2014-06-16
1
40
< 1
2014
2014-06-16
1
40
< 1
2014
2014-06-10
1
40
< 1
2014
2014-06-10
1
40
< 1
[+] Expand Test Data
strontium
0.3
1500
96.0303
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.3
1500
53
2015
2015-06-16
0.3
1500
32
2015
2015-06-16
0.3
1500
120
2015
2015-05-04
0.3
1500
96
2014
2014-12-09
0.3
1500
130
2014
2014-12-09
0.3
1500
72
2014
2014-12-09
0.3
1500
120
2014
2014-12-09
0.3
1500
98
2014
2014-12-08
0.3
1500
130
2014
2014-12-08
0.3
1500
120
2014
2014-12-08
0.3
1500
100
2014
2014-12-08
0.3
1500
160
2014
2014-12-08
0.3
1500
100
2014
2014-12-08
0.3
1500
110
2014
2014-12-08
0.3
1500
41
2014
2014-12-08
0.3
1500
93
2014
2014-07-23
0.3
1500
170
2014
2014-07-21
0.3
1500
110
2014
2014-07-21
0.3
1500
110
2014
2014-07-07
0.3
1500
120
2014
2014-07-07
0.3
1500
110
2014
2014-07-07
0.3
1500
100
2014
2014-07-07
0.3
1500
95
2014
2014-07-07
0.3
1500
95
2014
2014-07-07
0.3
1500
100
2014
2014-07-07
0.3
1500
48
2014
2014-07-07
0.3
1500
110
2014
2014-07-07
0.3
1500
88
2014
2014-06-24
0.3
1500
56
2014
2014-06-16
0.3
1500
56
2014
2014-06-16
0.3
1500
100
2014
2014-06-10
0.3
1500
93
2014
2014-06-10
0.3
1500
33
[+] Expand Test Data
vanadium
0.2
21
1.4576
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.2
21
0.96
2015
2015-06-16
0.2
21
2.6
2015
2015-06-16
0.2
21
0.53
2015
2015-05-04
0.2
21
1.5
2014
2014-12-09
0.2
21
1
2014
2014-12-09
0.2
21
2
2014
2014-12-09
0.2
21
1.2
2014
2014-12-09
0.2
21
1.2
2014
2014-12-08
0.2
21
1.4
2014
2014-12-08
0.2
21
1.4
2014
2014-12-08
0.2
21
1.4
2014
2014-12-08
0.2
21
1.4
2014
2014-12-08
0.2
21
1.1
2014
2014-12-08
0.2
21
1.4
2014
2014-12-08
0.2
21
3.2
2014
2014-12-08
0.2
21
1.5
2014
2014-07-23
0.2
21
1.1
2014
2014-07-21
0.2
21
1.5
2014
2014-07-21
0.2
21
1.3
2014
2014-07-07
0.2
21
1.4
2014
2014-07-07
0.2
21
1.4
2014
2014-07-07
0.2
21
1.4
2014
2014-07-07
0.2
21
1.6
2014
2014-07-07
0.2
21
1.1
2014
2014-07-07
0.2
21
1.4
2014
2014-07-07
0.2
21
2.8
2014
2014-07-07
0.2
21
0.57
2014
2014-07-07
0.2
21
1.4
2014
2014-06-24
0.2
21
0.84
2014
2014-06-16
0.2
21
2
2014
2014-06-16
0.2
21
1.2
2014
2014-06-10
0.2
21
1.1
2014
2014-06-10
0.2
21
2.2
[+] Expand Test Data
1,1-dichloroethane
0.03
6.14
0.0018
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.03
6.14
< 0.03
2015
2015-06-16
0.03
6.14
< 0.03
2015
2015-06-16
0.03
6.14
< 0.03
2015
2015-05-04
0.03
6.14
< 0.03
2014
2014-12-09
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-12-08
0.03
6.14
< 0.03
2014
2014-07-23
0.03
6.14
0.048
2014
2014-06-24
0.03
6.14
< 0.03
2014
2014-06-10
0.03
6.14
< 0.03
2014
2014-06-10
0.03
6.14
< 0.03
2014
2014-06-10
0.03
6.14
< 0.03
2014
2014-06-10
0.03
6.14
< 0.03
2014
2014-06-10
0.03
6.14
< 0.03
2014
2014-06-09
0.03
6.14
< 0.03
2014
2014-06-09
0.03
6.14
< 0.03
2014
2014-06-09
0.03
6.14
< 0.03
2014
2014-06-09
0.03
6.14
< 0.03
2014
2014-06-09
0.03
6.14
< 0.03
2014
2014-06-09
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
2015
2015-06-16
0.03
0.0004
< 0.03
2015
2015-06-16
0.03
0.0004
< 0.03
2015
2015-06-16
0.03
0.0004
< 0.03
2015
2015-05-04
0.03
0.0004
< 0.03
2014
2014-12-09
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-12-08
0.03
0.0004
< 0.03
2014
2014-07-23
0.03
0.0004
< 0.03
2014
2014-06-24
0.03
0.0004
< 0.03
2014
2014-06-10
0.03
0.0004
< 0.03
2014
2014-06-10
0.03
0.0004
< 0.03
2014
2014-06-10
0.03
0.0004
< 0.03
2014
2014-06-10
0.03
0.0004
< 0.03
2014
2014-06-10
0.03
0.0004
< 0.03
2014
2014-06-09
0.03
0.0004
< 0.03
2014
2014-06-09
0.03
0.0004
< 0.03
2014
2014-06-09
0.03
0.0004
< 0.03
2014
2014-06-09
0.03
0.0004
< 0.03
2014
2014-06-09
0.03
0.0004
< 0.03
2014
2014-06-09
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
2015
2015-06-16
0.1
0.0103
< 0.1
2015
2015-06-16
0.1
0.0103
< 0.1
2015
2015-06-16
0.1
0.0103
< 0.1
2015
2015-05-04
0.1
0.0103
< 0.1
2014
2014-12-09
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-12-08
0.1
0.0103
< 0.1
2014
2014-07-23
0.1
0.0103
< 0.1
2014
2014-06-24
0.1
0.0103
< 0.1
2014
2014-06-10
0.1
0.0103
< 0.1
2014
2014-06-10
0.1
0.0103
< 0.1
2014
2014-06-10
0.1
0.0103
< 0.1
2014
2014-06-10
0.1
0.0103
< 0.1
2014
2014-06-10
0.1
0.0103
< 0.1
2014
2014-06-09
0.1
0.0103
< 0.1
2014
2014-06-09
0.1
0.0103
< 0.1
2014
2014-06-09
0.1
0.0103
< 0.1
2014
2014-06-09
0.1
0.0103
< 0.1
2014
2014-06-09
0.1
0.0103
< 0.1
2014
2014-06-09
0.1
0.0103
< 0.1
[+] Expand Test Data
1,4-dioxane
0.07
0.35
0.0553
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.07
0.35
< 0.07
2015
2015-06-16
0.07
0.35
0.21
2015
2015-06-16
0.07
0.35
< 0.07
2015
2015-05-04
0.07
0.35
0.13
2014
2014-12-09
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
< 0.07
2014
2014-12-08
0.07
0.35
0.13
2014
2014-12-08
0.07
0.35
0.18
2014
2014-07-23
0.07
0.35
0.087
2014
2014-06-24
0.07
0.35
< 0.07
2014
2014-06-10
0.07
0.35
< 0.07
2014
2014-06-10
0.07
0.35
0.1
2014
2014-06-10
0.07
0.35
0.18
2014
2014-06-10
0.07
0.35
< 0.07
2014
2014-06-10
0.07
0.35
0.2
2014
2014-06-09
0.07
0.35
< 0.07
2014
2014-06-09
0.07
0.35
< 0.07
2014
2014-06-09
0.07
0.35
< 0.07
2014
2014-06-09
0.07
0.35
0.22
2014
2014-06-09
0.07
0.35
< 0.07
2014
2014-06-09
0.07
0.35
< 0.07
[+] Expand Test Data
17-alpha-ethynylestradiol
0.0009
0.035
< 0.0009
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.0009
0.035
< 0.0009
2015
2015-06-16
0.0009
0.035
< 0.0009
2015
2015-06-16
0.0009
0.035
< 0.0009
2015
2015-05-04
0.0009
0.035
< 0.0009
2014
2014-12-09
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-12-08
0.0009
0.035
< 0.0009
2014
2014-07-23
0.0009
0.035
< 0.0009
2014
2014-06-24
0.0009
0.035
< 0.0009
2014
2014-06-10
0.0009
0.035
< 0.0009
2014
2014-06-10
0.0009
0.035
< 0.0009
2014
2014-06-10
0.0009
0.035
< 0.0009
2014
2014-06-10
0.0009
0.035
< 0.0009
2014
2014-06-10
0.0009
0.035
< 0.0009
2014
2014-06-09
0.0009
0.035
< 0.0009
2014
2014-06-09
0.0009
0.035
< 0.0009
2014
2014-06-09
0.0009
0.035
< 0.0009
2014
2014-06-09
0.0009
0.035
< 0.0009
2014
2014-06-09
0.0009
0.035
< 0.0009
2014
2014-06-09
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
2015
2015-06-16
0.0004
0.0009
< 0.0004
2015
2015-06-16
0.0004
0.0009
< 0.0004
2015
2015-06-16
0.0004
0.0009
< 0.0004
2015
2015-05-04
0.0004
0.0009
< 0.0004
2014
2014-12-09
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-12-08
0.0004
0.0009
< 0.0004
2014
2014-07-23
0.0004
0.0009
< 0.0004
2014
2014-06-24
0.0004
0.0009
< 0.0004
2014
2014-06-10
0.0004
0.0009
< 0.0004
2014
2014-06-10
0.0004
0.0009
< 0.0004
2014
2014-06-10
0.0004
0.0009
< 0.0004
2014
2014-06-10
0.0004
0.0009
< 0.0004
2014
2014-06-10
0.0004
0.0009
< 0.0004
2014
2014-06-09
0.0004
0.0009
< 0.0004
2014
2014-06-09
0.0004
0.0009
< 0.0004
2014
2014-06-09
0.0004
0.0009
< 0.0004
2014
2014-06-09
0.0004
0.0009
< 0.0004
2014
2014-06-09
0.0004
0.0009
< 0.0004
2014
2014-06-09
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
2015
2015-06-16
0.0003
0
< 0.0003
2015
2015-06-16
0.0003
0
< 0.0003
2015
2015-06-16
0.0003
0
< 0.0003
2015
2015-05-04
0.0003
0
< 0.0003
2014
2014-12-09
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-12-08
0.0003
0
< 0.0003
2014
2014-07-23
0.0003
0
< 0.0003
2014
2014-06-24
0.0003
0
< 0.0003
2014
2014-06-10
0.0003
0
< 0.0003
2014
2014-06-10
0.0003
0
< 0.0003
2014
2014-06-10
0.0003
0
< 0.0003
2014
2014-06-10
0.0003
0
< 0.0003
2014
2014-06-10
0.0003
0
< 0.0003
2014
2014-06-09
0.0003
0
< 0.0003
2014
2014-06-09
0.0003
0
< 0.0003
2014
2014-06-09
0.0003
0
< 0.0003
2014
2014-06-09
0.0003
0
< 0.0003
2014
2014-06-09
0.0003
0
< 0.0003
2014
2014-06-09
0.0003
0
< 0.0003
[+] Expand Test Data
bromomethane
0.2
140
< 0.2
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.2
140
< 0.2
2015
2015-06-16
0.2
140
< 0.2
2015
2015-06-16
0.2
140
< 0.2
2015
2015-05-04
0.2
140
< 0.2
2014
2014-12-09
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-12-08
0.2
140
< 0.2
2014
2014-07-23
0.2
140
< 0.2
2014
2014-06-24
0.2
140
< 0.2
2014
2014-06-10
0.2
140
< 0.2
2014
2014-06-10
0.2
140
< 0.2
2014
2014-06-10
0.2
140
< 0.2
2014
2014-06-10
0.2
140
< 0.2
2014
2014-06-10
0.2
140
< 0.2
2014
2014-06-09
0.2
140
< 0.2
2014
2014-06-09
0.2
140
< 0.2
2014
2014-06-09
0.2
140
< 0.2
2014
2014-06-09
0.2
140
< 0.2
2014
2014-06-09
0.2
140
< 0.2
2014
2014-06-09
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
2015
2015-06-16
0.2
2.69
< 0.2
2015
2015-06-16
0.2
2.69
< 0.2
2015
2015-06-16
0.2
2.69
< 0.2
2015
2015-05-04
0.2
2.69
< 0.2
2014
2014-12-09
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-12-08
0.2
2.69
< 0.2
2014
2014-07-23
0.2
2.69
< 0.2
2014
2014-06-24
0.2
2.69
< 0.2
2014
2014-06-10
0.2
2.69
< 0.2
2014
2014-06-10
0.2
2.69
< 0.2
2014
2014-06-10
0.2
2.69
< 0.2
2014
2014-06-10
0.2
2.69
< 0.2
2014
2014-06-10
0.2
2.69
< 0.2
2014
2014-06-09
0.2
2.69
< 0.2
2014
2014-06-09
0.2
2.69
< 0.2
2014
2014-06-09
0.2
2.69
< 0.2
2014
2014-06-09
0.2
2.69
< 0.2
2014
2014-06-09
0.2
2.69
< 0.2
2014
2014-06-09
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
2015
2015-06-16
0.004
0.35
< 0.004
2015
2015-06-16
0.004
0.35
< 0.004
2015
2015-06-16
0.004
0.35
< 0.004
2015
2015-05-04
0.004
0.35
< 0.004
2014
2014-12-09
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-12-08
0.004
0.35
< 0.004
2014
2014-07-23
0.004
0.35
< 0.004
2014
2014-06-24
0.004
0.35
< 0.004
2014
2014-06-10
0.004
0.35
< 0.004
2014
2014-06-10
0.004
0.35
< 0.004
2014
2014-06-10
0.004
0.35
< 0.004
2014
2014-06-10
0.004
0.35
< 0.004
2014
2014-06-10
0.004
0.35
< 0.004
2014
2014-06-09
0.004
0.35
< 0.004
2014
2014-06-09
0.004
0.35
< 0.004
2014
2014-06-09
0.004
0.35
< 0.004
2014
2014-06-09
0.004
0.35
< 0.004
2014
2014-06-09
0.004
0.35
< 0.004
2014
2014-06-09
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
2015
2015-06-16
0.0008
0.35
< 0.0008
2015
2015-06-16
0.0008
0.35
< 0.0008
2015
2015-06-16
0.0008
0.35
< 0.0008
2015
2015-05-04
0.0008
0.35
< 0.0008
2014
2014-12-09
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-12-08
0.0008
0.35
< 0.0008
2014
2014-07-23
0.0008
0.35
< 0.0008
2014
2014-06-24
0.0008
0.35
< 0.0008
2014
2014-06-10
0.0008
0.35
< 0.0008
2014
2014-06-10
0.0008
0.35
< 0.0008
2014
2014-06-10
0.0008
0.35
< 0.0008
2014
2014-06-10
0.0008
0.35
< 0.0008
2014
2014-06-10
0.0008
0.35
< 0.0008
2014
2014-06-09
0.0008
0.35
< 0.0008
2014
2014-06-09
0.0008
0.35
< 0.0008
2014
2014-06-09
0.0008
0.35
< 0.0008
2014
2014-06-09
0.0008
0.35
< 0.0008
2014
2014-06-09
0.0008
0.35
< 0.0008
2014
2014-06-09
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
2015
2015-06-16
0.002
0.35
< 0.002
2015
2015-06-16
0.002
0.35
< 0.002
2015
2015-06-16
0.002
0.35
< 0.002
2015
2015-05-04
0.002
0.35
< 0.002
2014
2014-12-09
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-12-08
0.002
0.35
< 0.002
2014
2014-07-23
0.002
0.35
< 0.002
2014
2014-06-24
0.002
0.35
< 0.002
2014
2014-06-10
0.002
0.35
< 0.002
2014
2014-06-10
0.002
0.35
< 0.002
2014
2014-06-10
0.002
0.35
< 0.002
2014
2014-06-10
0.002
0.35
< 0.002
2014
2014-06-10
0.002
0.35
< 0.002
2014
2014-06-09
0.002
0.35
< 0.002
2014
2014-06-09
0.002
0.35
< 0.002
2014
2014-06-09
0.002
0.35
< 0.002
2014
2014-06-09
0.002
0.35
< 0.002
2014
2014-06-09
0.002
0.35
< 0.002
2014
2014-06-09
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
2015
2015-06-16
0.06
90
< 0.06
2015
2015-06-16
0.06
90
< 0.06
2015
2015-06-16
0.06
90
< 0.06
2015
2015-05-04
0.06
90
< 0.06
2014
2014-12-09
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-12-08
0.06
90
< 0.06
2014
2014-07-23
0.06
90
< 0.06
2014
2014-06-24
0.06
90
< 0.06
2014
2014-06-10
0.06
90
< 0.06
2014
2014-06-10
0.06
90
< 0.06
2014
2014-06-10
0.06
90
< 0.06
2014
2014-06-10
0.06
90
< 0.06
2014
2014-06-10
0.06
90
< 0.06
2014
2014-06-09
0.06
90
< 0.06
2014
2014-06-09
0.06
90
< 0.06
2014
2014-06-09
0.06
90
< 0.06
2014
2014-06-09
0.06
90
< 0.06
2014
2014-06-09
0.06
90
< 0.06
2014
2014-06-09
0.06
90
< 0.06
[+] Expand Test Data
HCFC-22
0.08
0
0.0169
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.08
0
< 0.08
2015
2015-06-16
0.08
0
< 0.08
2015
2015-06-16
0.08
0
< 0.08
2015
2015-05-04
0.08
0
< 0.08
2014
2014-12-09
0.08
0
< 0.08
2014
2014-12-08
0.08
0
< 0.08
2014
2014-12-08
0.08
0
< 0.08
2014
2014-12-08
0.08
0
< 0.08
2014
2014-12-08
0.08
0
0.21
2014
2014-12-08
0.08
0
< 0.08
2014
2014-12-08
0.08
0
< 0.08
2014
2014-12-08
0.08
0
< 0.08
2014
2014-12-08
0.08
0
< 0.08
2014
2014-07-23
0.08
0
0.23
2014
2014-06-24
0.08
0
< 0.08
2014
2014-06-10
0.08
0
< 0.08
2014
2014-06-10
0.08
0
< 0.08
2014
2014-06-10
0.08
0
< 0.08
2014
2014-06-10
0.08
0
< 0.08
2014
2014-06-10
0.08
0
< 0.08
2014
2014-06-09
0.08
0
< 0.08
2014
2014-06-09
0.08
0
< 0.08
2014
2014-06-09
0.08
0
< 0.08
2014
2014-06-09
0.08
0
< 0.08
2014
2014-06-09
0.08
0
< 0.08
2014
2014-06-09
0.08
0
< 0.08
[+] Expand Test Data
PFBS
0.09
0
< 0.09
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.09
0
< 0.09
2015
2015-06-16
0.09
0
< 0.09
2015
2015-06-16
0.09
0
< 0.09
2015
2015-05-04
0.09
0
< 0.09
2014
2014-12-09
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-12-08
0.09
0
< 0.09
2014
2014-07-23
0.09
0
< 0.09
2014
2014-06-24
0.09
0
< 0.09
2014
2014-06-10
0.09
0
< 0.09
2014
2014-06-10
0.09
0
< 0.09
2014
2014-06-10
0.09
0
< 0.09
2014
2014-06-10
0.09
0
< 0.09
2014
2014-06-10
0.09
0
< 0.09
2014
2014-06-09
0.09
0
< 0.09
2014
2014-06-09
0.09
0
< 0.09
2014
2014-06-09
0.09
0
< 0.09
2014
2014-06-09
0.09
0
< 0.09
2014
2014-06-09
0.09
0
< 0.09
2014
2014-06-09
0.09
0
< 0.09
[+] Expand Test Data
PFHpA
0.01
0
< 0.01
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.01
0
< 0.01
2015
2015-06-16
0.01
0
< 0.01
2015
2015-06-16
0.01
0
< 0.01
2015
2015-05-04
0.01
0
< 0.01
2014
2014-12-09
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-12-08
0.01
0
< 0.01
2014
2014-07-23
0.01
0
< 0.01
2014
2014-06-24
0.01
0
< 0.01
2014
2014-06-10
0.01
0
< 0.01
2014
2014-06-10
0.01
0
< 0.01
2014
2014-06-10
0.01
0
< 0.01
2014
2014-06-10
0.01
0
< 0.01
2014
2014-06-10
0.01
0
< 0.01
2014
2014-06-09
0.01
0
< 0.01
2014
2014-06-09
0.01
0
< 0.01
2014
2014-06-09
0.01
0
< 0.01
2014
2014-06-09
0.01
0
< 0.01
2014
2014-06-09
0.01
0
< 0.01
2014
2014-06-09
0.01
0
< 0.01
[+] Expand Test Data
PFHxS
0.03
0
0.0012
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.03
0
< 0.03
2015
2015-06-16
0.03
0
< 0.03
2015
2015-06-16
0.03
0
< 0.03
2015
2015-05-04
0.03
0
< 0.03
2014
2014-12-09
0.03
0
< 0.03
2014
2014-12-08
0.03
0
< 0.03
2014
2014-12-08
0.03
0
< 0.03
2014
2014-12-08
0.03
0
< 0.03
2014
2014-12-08
0.03
0
< 0.03
2014
2014-12-08
0.03
0
< 0.03
2014
2014-12-08
0.03
0
< 0.03
2014
2014-12-08
0.03
0
0.032
2014
2014-12-08
0.03
0
< 0.03
2014
2014-07-23
0.03
0
< 0.03
2014
2014-06-24
0.03
0
< 0.03
2014
2014-06-10
0.03
0
< 0.03
2014
2014-06-10
0.03
0
< 0.03
2014
2014-06-10
0.03
0
< 0.03
2014
2014-06-10
0.03
0
< 0.03
2014
2014-06-10
0.03
0
< 0.03
2014
2014-06-09
0.03
0
< 0.03
2014
2014-06-09
0.03
0
< 0.03
2014
2014-06-09
0.03
0
< 0.03
2014
2014-06-09
0.03
0
< 0.03
2014
2014-06-09
0.03
0
< 0.03
2014
2014-06-09
0.03
0
< 0.03
[+] Expand Test Data
PFNA
0.02
0
< 0.02
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.02
0
< 0.02
2015
2015-06-16
0.02
0
< 0.02
2015
2015-06-16
0.02
0
< 0.02
2015
2015-05-04
0.02
0
< 0.02
2014
2014-12-09
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-12-08
0.02
0
< 0.02
2014
2014-07-23
0.02
0
< 0.02
2014
2014-06-24
0.02
0
< 0.02
2014
2014-06-10
0.02
0
< 0.02
2014
2014-06-10
0.02
0
< 0.02
2014
2014-06-10
0.02
0
< 0.02
2014
2014-06-10
0.02
0
< 0.02
2014
2014-06-10
0.02
0
< 0.02
2014
2014-06-09
0.02
0
< 0.02
2014
2014-06-09
0.02
0
< 0.02
2014
2014-06-09
0.02
0
< 0.02
2014
2014-06-09
0.02
0
< 0.02
2014
2014-06-09
0.02
0
< 0.02
2014
2014-06-09
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
2015
2015-06-16
0.02
0.07
< 0.02
2015
2015-06-16
0.02
0.07
< 0.02
2015
2015-06-16
0.02
0.07
< 0.02
2015
2015-05-04
0.02
0.07
< 0.02
2014
2014-12-09
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-12-08
0.02
0.07
< 0.02
2014
2014-07-23
0.02
0.07
< 0.02
2014
2014-06-24
0.02
0.07
< 0.02
2014
2014-06-10
0.02
0.07
< 0.02
2014
2014-06-10
0.02
0.07
< 0.02
2014
2014-06-10
0.02
0.07
< 0.02
2014
2014-06-10
0.02
0.07
< 0.02
2014
2014-06-10
0.02
0.07
< 0.02
2014
2014-06-09
0.02
0.07
< 0.02
2014
2014-06-09
0.02
0.07
< 0.02
2014
2014-06-09
0.02
0.07
< 0.02
2014
2014-06-09
0.02
0.07
< 0.02
2014
2014-06-09
0.02
0.07
< 0.02
2014
2014-06-09
0.02
0.07
< 0.02
[+] Expand Test Data
testosterone
0.0001
0
< 0.0001
[+] Expand Test Data
Year
Test Date
MRL
HRL
Test Result
2015
2015-06-16
0.0001
0
< 0.0001
2015
2015-06-16
0.0001
0
< 0.0001
2015
2015-06-16
0.0001
0
< 0.0001
2015
2015-05-04
0.0001
0
< 0.0001
2014
2014-12-09
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-12-08
0.0001
0
< 0.0001
2014
2014-07-23
0.0001
0
< 0.0001
2014
2014-06-24
0.0001
0
< 0.0001
2014
2014-06-10
0.0001
0
< 0.0001
2014
2014-06-10
0.0001
0
< 0.0001
2014
2014-06-10
0.0001
0
< 0.0001
2014
2014-06-10
0.0001
0
< 0.0001
2014
2014-06-10
0.0001
0
< 0.0001
2014
2014-06-09
0.0001
0
< 0.0001
2014
2014-06-09
0.0001
0
< 0.0001
2014
2014-06-09
0.0001
0
< 0.0001
2014
2014-06-09
0.0001
0
< 0.0001
2014
2014-06-09
0.0001
0
< 0.0001
2014
2014-06-09
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
61068062
lead
2017-06-01
2017-09-30
0.00227mg/L
38711807
lead
2014-06-01
2014-09-30
0.00293mg/L
32289988
lead
2011-06-01
2011-09-30
0.003mg/L
23950813
lead
2008-01-01
2008-12-31
0.0022mg/L
Violations
Known violations of the Safe Drinking Water Act as recorded by the EPA.
Compliance Dates
Rule
Violation Type
Contaminant Name
Status
2017-06-01 - 2020-05-31
Lead and Copper Rule
Water Quality Parameter M/R
Lead and Copper Rule
Known
2006-03-01 - 2006-03-31
Total Coliform Rule
Maximum Contaminant Level Violation, Monthly (TCR)
Coliform (TCR)
Returned to Compliance
- N/A
Nitrates
Monitoring, Regular
Nitrate
Returned to Compliance
- N/A
Nitrates
Monitoring, Regular
Nitrate
Returned to Compliance
2013-03-16 - N/A
Ground Water Rule
Failure To Address Deficiency
Groundwater Rule
Returned to Compliance
- N/A
Lead and Copper Rule
Initial Tap Sampling for Pb and Cu
Lead and Copper Rule
Returned to Compliance
- N/A
Lead and Copper Rule
Water Quality Parameter M/R
Lead and Copper Rule
Returned to Compliance
- N/A
Lead and Copper Rule
Water Quality Parameter M/R
Lead and Copper Rule
Returned to Compliance
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.
Unable to identify any nearby water testing labs near 54601 .
Water Bill Information
Convenient information about your water service.
Unable to identify any billing information about La Crosse Waterworks (WI6320309).
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.