Mesa Water District 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: CA3010004
Type: Community water system
EPA Region: 09
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 110,000
Contact Information
SHOENBERGER, PAUL
SHOENBERGER, PAUL
1965 Placentia Ave
COSTA MESA, CA 92627
[email protected]

This public water system services 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   (1) 2014   (2) 2015   (0) 2016   (0) 2017   (0) 2018   (0)
chlorate 1,4-dioxane
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).

chlorate

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2014 2014-06-09 20 210 134
2014 2014-06-09 20 210 107
2014 2014-06-09 20 210 125
2014 2014-06-09 20 210 258
2014 2014-06-09 20 210 117
2014 2014-06-09 20 210 75.2
2014 2014-06-09 20 210 91.8
2014 2014-06-09 20 210 123
2014 2014-01-06 20 210 88.1
2014 2014-01-06 20 210 93.6
2014 2014-01-06 20 210 150
2014 2014-01-06 20 210 99.3
2014 2014-01-06 20 210 74.4
2014 2014-01-06 20 210 86.5
2014 2014-01-06 20 210 61.6
2014 2014-01-06 20 210 328
2013 2013-09-04 20 210 320
2013 2013-09-03 20 210 67.6

1,4-dioxane

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2014 2014-06-09 0.07 0.35 3.88
2014 2014-06-09 0.07 0.35 4.06
2014 2014-06-09 0.07 0.35 2.12
2014 2014-06-09 0.07 0.35 0.106
2014 2014-06-09 0.07 0.35 2.15
2014 2014-06-09 0.07 0.35 < 0.07
2014 2014-01-06 0.07 0.35 3.98
2014 2014-01-06 0.07 0.35 5.42
2014 2014-01-06 0.07 0.35 2.42
2014 2014-01-06 0.07 0.35 0.11
2014 2014-01-06 0.07 0.35 2.07
2014 2014-01-06 0.07 0.35 < 0.07
2013 2013-09-03 0.07 0.35 < 0.07

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 0.1778 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-06-09 0.2 100 0.3
2014 2014-06-09 0.2 100 0.3
2014 2014-06-09 0.2 100 < 0.2
2014 2014-06-09 0.2 100 0.5
2014 2014-06-09 0.2 100 0.3
2014 2014-06-09 0.2 100 0.5
2014 2014-06-09 0.2 100 0.2
2014 2014-06-09 0.2 100 < 0.2
2014 2014-01-06 0.2 100 < 0.2
2014 2014-01-06 0.2 100 < 0.2
2014 2014-01-06 0.2 100 < 0.2
2014 2014-01-06 0.2 100 0.3
2014 2014-01-06 0.2 100 0.3
2014 2014-01-06 0.2 100 0.5
2014 2014-01-06 0.2 100 < 0.2
2014 2014-01-06 0.2 100 < 0.2
2013 2013-09-04 0.2 100 < 0.2
2013 2013-09-03 0.2 100 < 0.2
chromium-6 0.03 0 0.2667 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-06-09 0.03 0 0.29
2014 2014-06-09 0.03 0 0.34
2014 2014-06-09 0.03 0 0.17
2014 2014-06-09 0.03 0 0.68
2014 2014-06-09 0.03 0 0.32
2014 2014-06-09 0.03 0 0.63
2014 2014-06-09 0.03 0 0.2
2014 2014-06-09 0.03 0 < 0.03
2014 2014-01-06 0.03 0 0.19
2014 2014-01-06 0.03 0 0.24
2014 2014-01-06 0.03 0 0.12
2014 2014-01-06 0.03 0 0.38
2014 2014-01-06 0.03 0 0.27
2014 2014-01-06 0.03 0 0.53
2014 2014-01-06 0.03 0 0.15
2014 2014-01-06 0.03 0 < 0.03
2013 2013-09-04 0.03 0 0.23
2013 2013-09-03 0.03 0 0.06
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-06-09 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2014 2014-01-06 1 70 < 1
2013 2013-09-04 1 70 < 1
2013 2013-09-03 1 70 < 1
molybdenum 1 40 4.8111 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-06-09 1 40 6
2014 2014-06-09 1 40 3.6
2014 2014-06-09 1 40 4
2014 2014-06-09 1 40 5.9
2014 2014-06-09 1 40 3.3
2014 2014-06-09 1 40 4.7
2014 2014-06-09 1 40 7.2
2014 2014-06-09 1 40 3.5
2014 2014-01-06 1 40 5.7
2014 2014-01-06 1 40 3.5
2014 2014-01-06 1 40 4.1
2014 2014-01-06 1 40 5.9
2014 2014-01-06 1 40 3.5
2014 2014-01-06 1 40 4.7
2014 2014-01-06 1 40 6.6
2014 2014-01-06 1 40 4.2
2013 2013-09-04 1 40 5.7
2013 2013-09-03 1 40 4.5
strontium 0.3 1500 478.2222 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-06-09 0.3 1500 414
2014 2014-06-09 0.3 1500 614
2014 2014-06-09 0.3 1500 511
2014 2014-06-09 0.3 1500 584
2014 2014-06-09 0.3 1500 723
2014 2014-06-09 0.3 1500 406
2014 2014-06-09 0.3 1500 250
2014 2014-06-09 0.3 1500 120
2014 2014-01-06 0.3 1500 372
2014 2014-01-06 0.3 1500 605
2014 2014-01-06 0.3 1500 479
2014 2014-01-06 0.3 1500 483
2014 2014-01-06 0.3 1500 775
2014 2014-01-06 0.3 1500 429
2014 2014-01-06 0.3 1500 253
2014 2014-01-06 0.3 1500 125
2013 2013-09-04 0.3 1500 566
2013 2013-09-03 0.3 1500 899
vanadium 0.2 21 3.6611 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-06-09 0.2 21 3.8
2014 2014-06-09 0.2 21 3.7
2014 2014-06-09 0.2 21 4.3
2014 2014-06-09 0.2 21 2.7
2014 2014-06-09 0.2 21 4.2
2014 2014-06-09 0.2 21 5.8
2014 2014-06-09 0.2 21 4.5
2014 2014-06-09 0.2 21 1
2014 2014-01-06 0.2 21 4
2014 2014-01-06 0.2 21 3.7
2014 2014-01-06 0.2 21 4
2014 2014-01-06 0.2 21 2.9
2014 2014-01-06 0.2 21 4
2014 2014-01-06 0.2 21 5.7
2014 2014-01-06 0.2 21 4.4
2014 2014-01-06 0.2 21 0.4
2013 2013-09-04 0.2 21 3.9
2013 2013-09-03 0.2 21 2.9
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.03 6.14 < 0.03
2014 2014-01-06 0.03 6.14 < 0.03
2014 2014-01-06 0.03 6.14 < 0.03
2014 2014-01-06 0.03 6.14 < 0.03
2014 2014-01-06 0.03 6.14 < 0.03
2014 2014-01-06 0.03 6.14 < 0.03
2013 2013-09-03 0.03 6.14 < 0.03
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.03 0.0004 < 0.03
2014 2014-01-06 0.03 0.0004 < 0.03
2014 2014-01-06 0.03 0.0004 < 0.03
2014 2014-01-06 0.03 0.0004 < 0.03
2014 2014-01-06 0.03 0.0004 < 0.03
2014 2014-01-06 0.03 0.0004 < 0.03
2013 2013-09-03 0.03 0.0004 < 0.03
1,3-butadiene 0.1 0.0103 < 0.1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.1 0.0103 < 0.1
2014 2014-01-06 0.1 0.0103 < 0.1
2014 2014-01-06 0.1 0.0103 < 0.1
2014 2014-01-06 0.1 0.0103 < 0.1
2014 2014-01-06 0.1 0.0103 < 0.1
2014 2014-01-06 0.1 0.0103 < 0.1
2013 2013-09-03 0.1 0.0103 < 0.1
17-alpha-ethynylestradiol 0.0009 0.035 < 0.0009 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.0009 0.035 < 0.0009
2014 2014-01-06 0.0009 0.035 < 0.0009
2014 2014-01-06 0.0009 0.035 < 0.0009
2014 2014-01-06 0.0009 0.035 < 0.0009
2014 2014-01-06 0.0009 0.035 < 0.0009
2014 2014-01-06 0.0009 0.035 < 0.0009
2013 2013-09-03 0.0009 0.035 < 0.0009
17-beta-estradiol 0.0004 0.0009 < 0.0004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.0004 0.0009 < 0.0004
2014 2014-01-06 0.0004 0.0009 < 0.0004
2014 2014-01-06 0.0004 0.0009 < 0.0004
2014 2014-01-06 0.0004 0.0009 < 0.0004
2014 2014-01-06 0.0004 0.0009 < 0.0004
2014 2014-01-06 0.0004 0.0009 < 0.0004
2013 2013-09-03 0.0004 0.0009 < 0.0004
4-androstene-3,17-dione 0.0003 0 < 0.0003 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.0003 0 < 0.0003
2014 2014-01-06 0.0003 0 < 0.0003
2014 2014-01-06 0.0003 0 < 0.0003
2014 2014-01-06 0.0003 0 < 0.0003
2014 2014-01-06 0.0003 0 < 0.0003
2014 2014-01-06 0.0003 0 < 0.0003
2013 2013-09-03 0.0003 0 < 0.0003
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.2 140 < 0.2
2014 2014-01-06 0.2 140 < 0.2
2014 2014-01-06 0.2 140 < 0.2
2014 2014-01-06 0.2 140 < 0.2
2014 2014-01-06 0.2 140 < 0.2
2014 2014-01-06 0.2 140 < 0.2
2013 2013-09-03 0.2 140 < 0.2
chloromethane 0.2 2.69 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.2 2.69 < 0.2
2014 2014-01-06 0.2 2.69 < 0.2
2014 2014-01-06 0.2 2.69 < 0.2
2014 2014-01-06 0.2 2.69 < 0.2
2014 2014-01-06 0.2 2.69 < 0.2
2014 2014-01-06 0.2 2.69 < 0.2
2013 2013-09-03 0.2 2.69 < 0.2
equilin 0.004 0.35 < 0.004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.004 0.35 < 0.004
2014 2014-01-06 0.004 0.35 < 0.004
2014 2014-01-06 0.004 0.35 < 0.004
2014 2014-01-06 0.004 0.35 < 0.004
2014 2014-01-06 0.004 0.35 < 0.004
2014 2014-01-06 0.004 0.35 < 0.004
2013 2013-09-03 0.004 0.35 < 0.004
estriol 0.0008 0.35 < 0.0008 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.0008 0.35 < 0.0008
2014 2014-01-06 0.0008 0.35 < 0.0008
2014 2014-01-06 0.0008 0.35 < 0.0008
2014 2014-01-06 0.0008 0.35 < 0.0008
2014 2014-01-06 0.0008 0.35 < 0.0008
2014 2014-01-06 0.0008 0.35 < 0.0008
2013 2013-09-03 0.0008 0.35 < 0.0008
estrone 0.002 0.35 < 0.002 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.002 0.35 < 0.002
2014 2014-01-06 0.002 0.35 < 0.002
2014 2014-01-06 0.002 0.35 < 0.002
2014 2014-01-06 0.002 0.35 < 0.002
2014 2014-01-06 0.002 0.35 < 0.002
2014 2014-01-06 0.002 0.35 < 0.002
2013 2013-09-03 0.002 0.35 < 0.002
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.06 90 < 0.06
2014 2014-01-06 0.06 90 < 0.06
2014 2014-01-06 0.06 90 < 0.06
2014 2014-01-06 0.06 90 < 0.06
2014 2014-01-06 0.06 90 < 0.06
2014 2014-01-06 0.06 90 < 0.06
2013 2013-09-03 0.06 90 < 0.06
HCFC-22 0.08 0 < 0.08 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.08 0 < 0.08
2014 2014-01-06 0.08 0 < 0.08
2014 2014-01-06 0.08 0 < 0.08
2014 2014-01-06 0.08 0 < 0.08
2014 2014-01-06 0.08 0 < 0.08
2014 2014-01-06 0.08 0 < 0.08
2013 2013-09-03 0.08 0 < 0.08
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.09 0 < 0.09
2014 2014-01-06 0.09 0 < 0.09
2014 2014-01-06 0.09 0 < 0.09
2014 2014-01-06 0.09 0 < 0.09
2014 2014-01-06 0.09 0 < 0.09
2014 2014-01-06 0.09 0 < 0.09
2013 2013-09-03 0.09 0 < 0.09
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.01 0 < 0.01
2014 2014-01-06 0.01 0 < 0.01
2014 2014-01-06 0.01 0 < 0.01
2014 2014-01-06 0.01 0 < 0.01
2014 2014-01-06 0.01 0 < 0.01
2014 2014-01-06 0.01 0 < 0.01
2013 2013-09-03 0.01 0 < 0.01
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.03 0 < 0.03
2014 2014-01-06 0.03 0 < 0.03
2014 2014-01-06 0.03 0 < 0.03
2014 2014-01-06 0.03 0 < 0.03
2014 2014-01-06 0.03 0 < 0.03
2014 2014-01-06 0.03 0 < 0.03
2013 2013-09-03 0.03 0 < 0.03
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.02 0 < 0.02
2014 2014-01-06 0.02 0 < 0.02
2014 2014-01-06 0.02 0 < 0.02
2014 2014-01-06 0.02 0 < 0.02
2014 2014-01-06 0.02 0 < 0.02
2014 2014-01-06 0.02 0 < 0.02
2013 2013-09-03 0.02 0 < 0.02
PFOA 0.02 0.07 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.02 0.07 < 0.02
2014 2014-01-06 0.02 0.07 < 0.02
2014 2014-01-06 0.02 0.07 < 0.02
2014 2014-01-06 0.02 0.07 < 0.02
2014 2014-01-06 0.02 0.07 < 0.02
2014 2014-01-06 0.02 0.07 < 0.02
2013 2013-09-03 0.02 0.07 < 0.02
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.04 0.07 < 0.04
2014 2014-01-06 0.04 0.07 < 0.04
2014 2014-01-06 0.04 0.07 < 0.04
2014 2014-01-06 0.04 0.07 < 0.04
2014 2014-01-06 0.04 0.07 < 0.04
2014 2014-01-06 0.04 0.07 < 0.04
2013 2013-09-03 0.04 0.07 < 0.04
testosterone 0.0001 0 < 0.0001 [+] Expand Test Data
Year Test Date MRL HRL Test Result
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
2014 2014-01-06 0.0001 0 < 0.0001
2014 2014-01-06 0.0001 0 < 0.0001
2014 2014-01-06 0.0001 0 < 0.0001
2014 2014-01-06 0.0001 0 < 0.0001
2014 2014-01-06 0.0001 0 < 0.0001
2014 2014-01-06 0.0001 0 < 0.0001
2013 2013-09-03 0.0001 0 < 0.0001

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
CA57273 lead 2015-01-01 2017-12-31 0mg/L
CA42034 lead 2012-01-01 2014-12-31 0mg/L

Violations


Known violations of the Safe Drinking Water Act as recorded by the EPA.

Compliance Dates Rule Violation Type Contaminant Name Status
2000-07-01 - 2000-07-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) 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.

Lab Location Zip Code
ALS Global USArp. Irvine, CA 92612
Sunstar Laboratories, Inc. Lake Forest, CA 92630
Sierra Analytical Laboratories, Inc. Laguna Hills, CA 92653

Water Bill Information


Convenient information about your water service.

Unable to identify any billing information about Mesa Water District (CA3010004).

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.