Public Water System: Covina-city, Water Dept.

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: CA1910127
Type: Community water system
EPA Region: 09
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 33,300 		Contact Information
FOSTER, SIOBHAN
FOSTER, SIOBHAN
534 N. BARRANCA AVENUE
COVINA, CA 91723

This public water system services 1 municipality in 1 county.

Summary Results

A summary view of the the times a water contaminant was tested and found to exceed the level set by the EPA (the MCL).

Maximum Contaminant Levels Exceeded (by year):

2013   (0) 2014   (1) 2015   (1) 2016   (0) 2017   (0) 2018   (0)
chlorate chlorate

Contaminant Detailed Results

This a view of violations of maximum contaminant levels. In the expanded view you can see each know test date for a given contaminant, the result of the test, the minimum level that can be recognized in a test (MRL), and upper limit that is considered healthy (HRL).

chlorate

Year Test Date MRL HRL Test Result
2015 2015-02-25 20 210 660
2015 2015-02-25 20 210 260
2015 2015-02-25 20 210 250
2014 2014-11-19 20 210 160
2014 2014-11-19 20 210 310
2014 2014-11-19 20 210 410
2014 2014-08-20 20 210 220
2014 2014-08-20 20 210 170
2014 2014-08-20 20 210 330
2014 2014-05-27 20 210 140
2014 2014-05-22 20 210 96
2014 2014-05-22 20 210 200

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Other Water Contaminants Tested

The following contaminants were tested and within national EPA guidelines.

Contaminant MRL HRL Avg Result
chromium 0.2 100 0.3908 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.2 100 0.41
2015 2015-02-25 0.2 100 0.45
2015 2015-02-25 0.2 100 0.44
2014 2014-11-19 0.2 100 0.3
2014 2014-11-19 0.2 100 0.42
2014 2014-11-19 0.2 100 0.47
2014 2014-08-20 0.2 100 0.3
2014 2014-08-20 0.2 100 < 0.2
2014 2014-08-20 0.2 100 0.82
2014 2014-05-27 0.2 100 < 0.2
2014 2014-05-22 0.2 100 0.31
2014 2014-05-22 0.2 100 0.77
[+] Expand Test Data
chromium-6 0.03 0 0.3171 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.03 0 0.35
2015 2015-02-25 0.03 0 0.38
2015 2015-02-25 0.03 0 0.4
2014 2014-11-19 0.03 0 0.26
2014 2014-11-19 0.03 0 0.33
2014 2014-11-19 0.03 0 0.32
2014 2014-08-20 0.03 0 0.16
2014 2014-08-20 0.03 0 < 0.03
2014 2014-08-20 0.03 0 0.75
2014 2014-05-27 0.03 0 0.045
2014 2014-05-22 0.03 0 0.11
2014 2014-05-22 0.03 0 0.7
[+] Expand Test Data
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 1 70 < 1
2015 2015-02-25 1 70 < 1
2015 2015-02-25 1 70 < 1
2014 2014-11-19 1 70 < 1
2014 2014-11-19 1 70 < 1
2014 2014-11-19 1 70 < 1
2014 2014-08-20 1 70 < 1
2014 2014-08-20 1 70 < 1
2014 2014-08-20 1 70 < 1
2014 2014-05-27 1 70 < 1
2014 2014-05-22 1 70 < 1
2014 2014-05-22 1 70 < 1
[+] Expand Test Data
molybdenum 1 40 4.0417 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 1 40 5
2015 2015-02-25 1 40 5.4
2015 2015-02-25 1 40 5.4
2014 2014-11-19 1 40 4.2
2014 2014-11-19 1 40 5.1
2014 2014-11-19 1 40 5.1
2014 2014-08-20 1 40 3.6
2014 2014-08-20 1 40 2.8
2014 2014-08-20 1 40 2.7
2014 2014-05-27 1 40 2.7
2014 2014-05-22 1 40 3.9
2014 2014-05-22 1 40 2.6
[+] Expand Test Data
strontium 0.3 1500 539.1667 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.3 1500 420
2015 2015-02-25 0.3 1500 390
2015 2015-02-25 0.3 1500 380
2014 2014-11-19 0.3 1500 840
2014 2014-11-19 0.3 1500 380
2014 2014-11-19 0.3 1500 380
2014 2014-08-20 0.3 1500 790
2014 2014-08-20 0.3 1500 460
2014 2014-08-20 0.3 1500 500
2014 2014-05-27 0.3 1500 480
2014 2014-05-22 0.3 1500 970
2014 2014-05-22 0.3 1500 480
[+] Expand Test Data
vanadium 0.2 21 3.5667 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.2 21 4.7
2015 2015-02-25 0.2 21 5.1
2015 2015-02-25 0.2 21 5
2014 2014-11-19 0.2 21 3.2
2014 2014-11-19 0.2 21 4.4
2014 2014-11-19 0.2 21 4.5
2014 2014-08-20 0.2 21 3
2014 2014-08-20 0.2 21 2
2014 2014-08-20 0.2 21 3.4
2014 2014-05-27 0.2 21 1.6
2014 2014-05-22 0.2 21 2.7
2014 2014-05-22 0.2 21 3.2
[+] Expand Test Data
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.03 6.14 < 0.03
2015 2015-02-25 0.03 6.14 < 0.03
2014 2014-11-19 0.03 6.14 < 0.03
2014 2014-11-19 0.03 6.14 < 0.03
2014 2014-09-09 0.03 6.14 < 0.03
2014 2014-09-09 0.03 6.14 < 0.03
2014 2014-05-27 0.03 6.14 < 0.03
2014 2014-05-22 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 2015-02-25 0.03 0.0004 < 0.03
2015 2015-02-25 0.03 0.0004 < 0.03
2014 2014-11-19 0.03 0.0004 < 0.03
2014 2014-11-19 0.03 0.0004 < 0.03
2014 2014-09-09 0.03 0.0004 < 0.03
2014 2014-09-09 0.03 0.0004 < 0.03
2014 2014-05-27 0.03 0.0004 < 0.03
2014 2014-05-22 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 2015-02-25 0.1 0.0103 < 0.1
2015 2015-02-25 0.1 0.0103 < 0.1
2014 2014-11-19 0.1 0.0103 < 0.1
2014 2014-11-19 0.1 0.0103 < 0.1
2014 2014-09-09 0.1 0.0103 < 0.1
2014 2014-09-09 0.1 0.0103 < 0.1
2014 2014-05-27 0.1 0.0103 < 0.1
2014 2014-05-22 0.1 0.0103 < 0.1
[+] Expand Test Data
1,4-dioxane 0.07 0.35 0.0208 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.07 0.35 0.083
2015 2015-02-25 0.07 0.35 0.083
2014 2014-11-19 0.07 0.35 < 0.07
2014 2014-11-19 0.07 0.35 < 0.07
2014 2014-08-20 0.07 0.35 < 0.07
2014 2014-08-20 0.07 0.35 < 0.07
2014 2014-05-27 0.07 0.35 < 0.07
2014 2014-05-22 0.07 0.35 < 0.07
[+] Expand Test Data
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.2 140 < 0.2
2015 2015-02-25 0.2 140 < 0.2
2014 2014-11-19 0.2 140 < 0.2
2014 2014-11-19 0.2 140 < 0.2
2014 2014-09-09 0.2 140 < 0.2
2014 2014-09-09 0.2 140 < 0.2
2014 2014-05-27 0.2 140 < 0.2
2014 2014-05-22 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 2015-02-25 0.2 2.69 < 0.2
2015 2015-02-25 0.2 2.69 < 0.2
2014 2014-11-19 0.2 2.69 < 0.2
2014 2014-11-19 0.2 2.69 < 0.2
2014 2014-09-09 0.2 2.69 < 0.2
2014 2014-09-09 0.2 2.69 < 0.2
2014 2014-05-27 0.2 2.69 < 0.2
2014 2014-05-22 0.2 2.69 < 0.2
[+] Expand Test Data
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.06 90 < 0.06
2015 2015-02-25 0.06 90 < 0.06
2014 2014-11-19 0.06 90 < 0.06
2014 2014-11-19 0.06 90 < 0.06
2014 2014-09-09 0.06 90 < 0.06
2014 2014-09-09 0.06 90 < 0.06
2014 2014-05-27 0.06 90 < 0.06
2014 2014-05-22 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
2015 2015-02-25 0.08 0 < 0.08
2015 2015-02-25 0.08 0 < 0.08
2014 2014-11-19 0.08 0 < 0.08
2014 2014-11-19 0.08 0 < 0.08
2014 2014-09-09 0.08 0 < 0.08
2014 2014-09-09 0.08 0 < 0.08
2014 2014-05-27 0.08 0 < 0.08
2014 2014-05-22 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 2015-02-25 0.09 0 < 0.09
2015 2015-02-25 0.09 0 < 0.09
2014 2014-11-19 0.09 0 < 0.09
2014 2014-11-19 0.09 0 < 0.09
2014 2014-11-14 0.09 0 < 0.09
2014 2014-08-20 0.09 0 < 0.09
2014 2014-05-27 0.09 0 < 0.09
2014 2014-05-22 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 2015-02-25 0.01 0 < 0.01
2015 2015-02-25 0.01 0 < 0.01
2014 2014-11-19 0.01 0 < 0.01
2014 2014-11-19 0.01 0 < 0.01
2014 2014-11-14 0.01 0 < 0.01
2014 2014-08-20 0.01 0 < 0.01
2014 2014-05-27 0.01 0 < 0.01
2014 2014-05-22 0.01 0 < 0.01
[+] Expand Test Data
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-02-25 0.03 0 < 0.03
2015 2015-02-25 0.03 0 < 0.03
2014 2014-11-19 0.03 0 < 0.03
2014 2014-11-19 0.03 0 < 0.03
2014 2014-11-14 0.03 0 < 0.03
2014 2014-08-20 0.03 0 < 0.03
2014 2014-05-27 0.03 0 < 0.03
2014 2014-05-22 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 2015-02-25 0.02 0 < 0.02
2015 2015-02-25 0.02 0 < 0.02
2014 2014-11-19 0.02 0 < 0.02
2014 2014-11-19 0.02 0 < 0.02
2014 2014-11-14 0.02 0 < 0.02
2014 2014-08-20 0.02 0 < 0.02
2014 2014-05-27 0.02 0 < 0.02
2014 2014-05-22 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 2015-02-25 0.02 0.07 < 0.02
2015 2015-02-25 0.02 0.07 < 0.02
2014 2014-11-19 0.02 0.07 < 0.02
2014 2014-11-19 0.02 0.07 < 0.02
2014 2014-11-14 0.02 0.07 < 0.02
2014 2014-08-20 0.02 0.07 < 0.02
2014 2014-05-27 0.02 0.07 < 0.02
2014 2014-05-22 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
2015 2015-02-25 0.04 0.07 < 0.04
2015 2015-02-25 0.04 0.07 < 0.04
2014 2014-11-19 0.04 0.07 < 0.04
2014 2014-11-19 0.04 0.07 < 0.04
2014 2014-11-14 0.04 0.07 < 0.04
2014 2014-08-20 0.04 0.07 < 0.04
2014 2014-05-27 0.04 0.07 < 0.04
2014 2014-05-22 0.04 0.07 < 0.04
[+] 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. Lead and copper can be — and often are — added to drinking water in between the water facility and a tap.

Sample ID Contaminant Sampling Start Date Sampling End Date Result
CA65242 lead 2017-01-01 2019-12-31 0mg/L
CA53656 lead 2014-01-01 2016-12-31 0mg/L
CA37592 lead 2011-01-01 2013-12-31 0mg/L
CA19436 lead 2008-01-01 2010-12-31 0mg/L
191012710231LT4 lead 2010-01-01 2010-12-31 0.005mg/L
191012710179LT2 lead 2010-01-01 2010-12-31 0.005mg/L
191012710202L1ST 6 lead 2010-01-01 2010-12-31 0.005mg/L
191012710264LT3 lead 2010-01-01 2010-12-31 0.005mg/L
191012710271LT1 lead 2010-01-01 2010-12-31 0.005mg/L
191012709239L2ND 6 lead 2009-01-01 2009-12-31 0.005mg/L
191012708014LT4 lead 2008-01-01 2008-12-31 0.005mg/L

Violations

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

Compliance Dates Rule Violation Type Contaminant Name Status
- N/A Nitrates Maximum Contaminant Level Violation, Single Sample Nitrate Known
- N/A Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
- N/A Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance

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.