City Of Daly City 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: CA4110013
Type: Community water system
EPA Region: 09
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 102,593 		Contact Information
SWEETLAND, PATRICK
SWEETLAND, PATRICK
153 LAKE MERCED BLVD
DALY CITY, CA 94015
[email protected]

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)
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 2014-08-13 20 210 210
2014 2014-08-13 20 210 230
2014 2014-08-13 20 210 170
2014 2014-08-13 20 210 170
2014 2014-08-13 20 210 170
2014 2014-08-13 20 210 180
2014 2014-05-07 20 210 95
2014 2014-05-07 20 210 95
2014 2014-05-07 20 210 130
2014 2014-05-07 20 210 50
2014 2014-05-07 20 210 52
2014 2014-05-07 20 210 73
2014 2014-02-04 20 210 89
2014 2014-02-04 20 210 100
2014 2014-02-04 20 210 71
2014 2014-02-04 20 210 140
2014 2014-02-04 20 210 110
2014 2014-02-04 20 210 110
2013 2013-11-05 20 210 77
2013 2013-11-05 20 210 92
2013 2013-11-05 20 210 82
2013 2013-11-05 20 210 77
2013 2013-11-05 20 210 71
2013 2013-11-05 20 210 72

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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 2.4942 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.2 100 1.9
2014 2014-08-13 0.2 100 3.7
2014 2014-08-13 0.2 100 12
2014 2014-08-13 0.2 100 < 0.2
2014 2014-08-13 0.2 100 < 0.2
2014 2014-08-13 0.2 100 < 0.2
2014 2014-05-07 0.2 100 1.3
2014 2014-05-07 0.2 100 2.3
2014 2014-05-07 0.2 100 11
2014 2014-05-07 0.2 100 < 0.2
2014 2014-05-07 0.2 100 < 0.2
2014 2014-05-07 0.2 100 < 0.2
2014 2014-02-04 0.2 100 0.56
2014 2014-02-04 0.2 100 < 0.2
2014 2014-02-04 0.2 100 14
2014 2014-02-04 0.2 100 < 0.2
2014 2014-02-04 0.2 100 < 0.2
2014 2014-02-04 0.2 100 < 0.2
2013 2013-11-05 0.2 100 < 0.2
2013 2013-11-05 0.2 100 2.1
2013 2013-11-05 0.2 100 11
2013 2013-11-05 0.2 100 < 0.2
2013 2013-11-05 0.2 100 < 0.2
2013 2013-11-05 0.2 100 < 0.2
[+] Expand Test Data
chromium-6 0.03 0 2.2777 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.03 0 1.7
2014 2014-08-13 0.03 0 3.4
2014 2014-08-13 0.03 0 12
2014 2014-08-13 0.03 0 0.12
2014 2014-08-13 0.03 0 0.1
2014 2014-08-13 0.03 0 0.11
2014 2014-05-07 0.03 0 1.2
2014 2014-05-07 0.03 0 2.2
2014 2014-05-07 0.03 0 10
2014 2014-05-07 0.03 0 0.057
2014 2014-05-07 0.03 0 < 0.03
2014 2014-05-07 0.03 0 0.037
2014 2014-02-04 0.03 0 0.59
2014 2014-02-04 0.03 0 0.12
2014 2014-02-04 0.03 0 13
2014 2014-02-04 0.03 0 0.13
2014 2014-02-04 0.03 0 0.1
2014 2014-02-04 0.03 0 0.14
2013 2013-11-05 0.03 0 0.19
2013 2013-11-05 0.03 0 1.4
2013 2013-11-05 0.03 0 7.8
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 0.27
[+] Expand Test Data
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 1 70 < 1
2014 2014-08-13 1 70 < 1
2014 2014-08-13 1 70 < 1
2014 2014-08-13 1 70 < 1
2014 2014-08-13 1 70 < 1
2014 2014-08-13 1 70 < 1
2014 2014-05-07 1 70 < 1
2014 2014-05-07 1 70 < 1
2014 2014-05-07 1 70 < 1
2014 2014-05-07 1 70 < 1
2014 2014-05-07 1 70 < 1
2014 2014-05-07 1 70 < 1
2014 2014-02-04 1 70 < 1
2014 2014-02-04 1 70 < 1
2014 2014-02-04 1 70 < 1
2014 2014-02-04 1 70 < 1
2014 2014-02-04 1 70 < 1
2014 2014-02-04 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
[+] Expand Test Data
molybdenum 1 40 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 1 40 < 1
2014 2014-08-13 1 40 < 1
2014 2014-08-13 1 40 < 1
2014 2014-08-13 1 40 < 1
2014 2014-08-13 1 40 < 1
2014 2014-08-13 1 40 < 1
2014 2014-05-07 1 40 < 1
2014 2014-05-07 1 40 < 1
2014 2014-05-07 1 40 < 1
2014 2014-05-07 1 40 < 1
2014 2014-05-07 1 40 < 1
2014 2014-05-07 1 40 < 1
2014 2014-02-04 1 40 < 1
2014 2014-02-04 1 40 < 1
2014 2014-02-04 1 40 < 1
2014 2014-02-04 1 40 < 1
2014 2014-02-04 1 40 < 1
2014 2014-02-04 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
[+] Expand Test Data
strontium 0.3 1500 88.4167 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.3 1500 120
2014 2014-08-13 0.3 1500 240
2014 2014-08-13 0.3 1500 150
2014 2014-08-13 0.3 1500 72
2014 2014-08-13 0.3 1500 59
2014 2014-08-13 0.3 1500 83
2014 2014-05-07 0.3 1500 69
2014 2014-05-07 0.3 1500 150
2014 2014-05-07 0.3 1500 130
2014 2014-05-07 0.3 1500 14
2014 2014-05-07 0.3 1500 13
2014 2014-05-07 0.3 1500 25
2014 2014-02-04 0.3 1500 110
2014 2014-02-04 0.3 1500 99
2014 2014-02-04 0.3 1500 160
2014 2014-02-04 0.3 1500 93
2014 2014-02-04 0.3 1500 92
2014 2014-02-04 0.3 1500 100
2013 2013-11-05 0.3 1500 25
2013 2013-11-05 0.3 1500 140
2013 2013-11-05 0.3 1500 130
2013 2013-11-05 0.3 1500 16
2013 2013-11-05 0.3 1500 15
2013 2013-11-05 0.3 1500 17
[+] Expand Test Data
vanadium 0.2 21 1.2529 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.2 21 0.69
2014 2014-08-13 0.2 21 2.4
2014 2014-08-13 0.2 21 5.3
2014 2014-08-13 0.2 21 < 0.2
2014 2014-08-13 0.2 21 < 0.2
2014 2014-08-13 0.2 21 < 0.2
2014 2014-05-07 0.2 21 0.61
2014 2014-05-07 0.2 21 1.6
2014 2014-05-07 0.2 21 4.9
2014 2014-05-07 0.2 21 < 0.2
2014 2014-05-07 0.2 21 < 0.2
2014 2014-05-07 0.2 21 < 0.2
2014 2014-02-04 0.2 21 0.23
2014 2014-02-04 0.2 21 < 0.2
2014 2014-02-04 0.2 21 6.5
2014 2014-02-04 0.2 21 < 0.2
2014 2014-02-04 0.2 21 < 0.2
2014 2014-02-04 0.2 21 < 0.2
2013 2013-11-05 0.2 21 0.34
2013 2013-11-05 0.2 21 1.5
2013 2013-11-05 0.2 21 5.5
2013 2013-11-05 0.2 21 0.24
2013 2013-11-05 0.2 21 < 0.2
2013 2013-11-05 0.2 21 0.26
[+] Expand Test Data
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.03 6.14 < 0.03
2014 2014-08-13 0.03 6.14 < 0.03
2014 2014-08-13 0.03 6.14 < 0.03
2014 2014-08-13 0.03 6.14 < 0.03
2014 2014-08-13 0.03 6.14 < 0.03
2014 2014-05-07 0.03 6.14 < 0.03
2014 2014-05-07 0.03 6.14 < 0.03
2014 2014-05-07 0.03 6.14 < 0.03
2014 2014-05-07 0.03 6.14 < 0.03
2014 2014-05-07 0.03 6.14 < 0.03
2014 2014-02-04 0.03 6.14 < 0.03
2014 2014-02-04 0.03 6.14 < 0.03
2014 2014-02-04 0.03 6.14 < 0.03
2014 2014-02-04 0.03 6.14 < 0.03
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.03 0.0004 < 0.03
2014 2014-08-13 0.03 0.0004 < 0.03
2014 2014-08-13 0.03 0.0004 < 0.03
2014 2014-08-13 0.03 0.0004 < 0.03
2014 2014-08-13 0.03 0.0004 < 0.03
2014 2014-05-07 0.03 0.0004 < 0.03
2014 2014-05-07 0.03 0.0004 < 0.03
2014 2014-05-07 0.03 0.0004 < 0.03
2014 2014-05-07 0.03 0.0004 < 0.03
2014 2014-05-07 0.03 0.0004 < 0.03
2014 2014-02-04 0.03 0.0004 < 0.03
2014 2014-02-04 0.03 0.0004 < 0.03
2014 2014-02-04 0.03 0.0004 < 0.03
2014 2014-02-04 0.03 0.0004 < 0.03
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
1,3-butadiene 0.1 0.0103 < 0.1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.1 0.0103 < 0.1
2014 2014-08-13 0.1 0.0103 < 0.1
2014 2014-08-13 0.1 0.0103 < 0.1
2014 2014-08-13 0.1 0.0103 < 0.1
2014 2014-08-13 0.1 0.0103 < 0.1
2014 2014-05-07 0.1 0.0103 < 0.1
2014 2014-05-07 0.1 0.0103 < 0.1
2014 2014-05-07 0.1 0.0103 < 0.1
2014 2014-05-07 0.1 0.0103 < 0.1
2014 2014-05-07 0.1 0.0103 < 0.1
2014 2014-02-04 0.1 0.0103 < 0.1
2014 2014-02-04 0.1 0.0103 < 0.1
2014 2014-02-04 0.1 0.0103 < 0.1
2014 2014-02-04 0.1 0.0103 < 0.1
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
1,4-dioxane 0.07 0.35 < 0.07 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.07 0.35 < 0.07
2014 2014-08-13 0.07 0.35 < 0.07
2014 2014-08-13 0.07 0.35 < 0.07
2014 2014-08-13 0.07 0.35 < 0.07
2014 2014-08-13 0.07 0.35 < 0.07
2014 2014-05-07 0.07 0.35 < 0.07
2014 2014-05-07 0.07 0.35 < 0.07
2014 2014-05-07 0.07 0.35 < 0.07
2014 2014-05-07 0.07 0.35 < 0.07
2014 2014-05-07 0.07 0.35 < 0.07
2014 2014-02-04 0.07 0.35 < 0.07
2014 2014-02-04 0.07 0.35 < 0.07
2014 2014-02-04 0.07 0.35 < 0.07
2014 2014-02-04 0.07 0.35 < 0.07
2014 2014-02-04 0.07 0.35 < 0.07
2013 2013-11-05 0.07 0.35 < 0.07
2013 2013-11-05 0.07 0.35 < 0.07
2013 2013-11-05 0.07 0.35 < 0.07
2013 2013-11-05 0.07 0.35 < 0.07
2013 2013-11-05 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
2014 2014-08-13 0.0009 0.035 < 0.0009
2014 2014-08-13 0.0009 0.035 < 0.0009
2014 2014-08-13 0.0009 0.035 < 0.0009
2014 2014-08-13 0.0009 0.035 < 0.0009
2014 2014-08-13 0.0009 0.035 < 0.0009
2014 2014-05-07 0.0009 0.035 < 0.0009
2014 2014-05-07 0.0009 0.035 < 0.0009
2014 2014-05-07 0.0009 0.035 < 0.0009
2014 2014-05-07 0.0009 0.035 < 0.0009
2014 2014-05-07 0.0009 0.035 < 0.0009
2014 2014-02-04 0.0009 0.035 < 0.0009
2014 2014-02-04 0.0009 0.035 < 0.0009
2014 2014-02-04 0.0009 0.035 < 0.0009
2014 2014-02-04 0.0009 0.035 < 0.0009
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
17-beta-estradiol 0.0004 0.0009 < 0.0004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.0004 0.0009 < 0.0004
2014 2014-08-13 0.0004 0.0009 < 0.0004
2014 2014-08-13 0.0004 0.0009 < 0.0004
2014 2014-08-13 0.0004 0.0009 < 0.0004
2014 2014-08-13 0.0004 0.0009 < 0.0004
2014 2014-05-07 0.0004 0.0009 < 0.0004
2014 2014-05-07 0.0004 0.0009 < 0.0004
2014 2014-05-07 0.0004 0.0009 < 0.0004
2014 2014-05-07 0.0004 0.0009 < 0.0004
2014 2014-05-07 0.0004 0.0009 < 0.0004
2014 2014-02-04 0.0004 0.0009 < 0.0004
2014 2014-02-04 0.0004 0.0009 < 0.0004
2014 2014-02-04 0.0004 0.0009 < 0.0004
2014 2014-02-04 0.0004 0.0009 < 0.0004
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
4-androstene-3,17-dione 0.0003 0 < 0.0003 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.0003 0 < 0.0003
2014 2014-08-13 0.0003 0 < 0.0003
2014 2014-08-13 0.0003 0 < 0.0003
2014 2014-08-13 0.0003 0 < 0.0003
2014 2014-08-13 0.0003 0 < 0.0003
2014 2014-05-07 0.0003 0 < 0.0003
2014 2014-05-07 0.0003 0 < 0.0003
2014 2014-05-07 0.0003 0 < 0.0003
2014 2014-05-07 0.0003 0 < 0.0003
2014 2014-05-07 0.0003 0 < 0.0003
2014 2014-02-04 0.0003 0 < 0.0003
2014 2014-02-04 0.0003 0 < 0.0003
2014 2014-02-04 0.0003 0 < 0.0003
2014 2014-02-04 0.0003 0 < 0.0003
2014 2014-02-04 0.0003 0 < 0.0003
2013 2013-11-05 0.0003 0 < 0.0003
2013 2013-11-05 0.0003 0 < 0.0003
2013 2013-11-05 0.0003 0 < 0.0003
2013 2013-11-05 0.0003 0 < 0.0003
2013 2013-11-05 0.0003 0 < 0.0003
[+] Expand Test Data
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.2 140 < 0.2
2014 2014-08-13 0.2 140 < 0.2
2014 2014-08-13 0.2 140 < 0.2
2014 2014-08-13 0.2 140 < 0.2
2014 2014-08-13 0.2 140 < 0.2
2014 2014-05-07 0.2 140 < 0.2
2014 2014-05-07 0.2 140 < 0.2
2014 2014-05-07 0.2 140 < 0.2
2014 2014-05-07 0.2 140 < 0.2
2014 2014-05-07 0.2 140 < 0.2
2014 2014-02-04 0.2 140 < 0.2
2014 2014-02-04 0.2 140 < 0.2
2014 2014-02-04 0.2 140 < 0.2
2014 2014-02-04 0.2 140 < 0.2
2014 2014-02-04 0.2 140 < 0.2
2013 2013-11-05 0.2 140 < 0.2
2013 2013-11-05 0.2 140 < 0.2
2013 2013-11-05 0.2 140 < 0.2
2013 2013-11-05 0.2 140 < 0.2
2013 2013-11-05 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
2014 2014-08-13 0.2 2.69 < 0.2
2014 2014-08-13 0.2 2.69 < 0.2
2014 2014-08-13 0.2 2.69 < 0.2
2014 2014-08-13 0.2 2.69 < 0.2
2014 2014-08-13 0.2 2.69 < 0.2
2014 2014-05-07 0.2 2.69 < 0.2
2014 2014-05-07 0.2 2.69 < 0.2
2014 2014-05-07 0.2 2.69 < 0.2
2014 2014-05-07 0.2 2.69 < 0.2
2014 2014-05-07 0.2 2.69 < 0.2
2014 2014-02-04 0.2 2.69 < 0.2
2014 2014-02-04 0.2 2.69 < 0.2
2014 2014-02-04 0.2 2.69 < 0.2
2014 2014-02-04 0.2 2.69 < 0.2
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
equilin 0.004 0.35 < 0.004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.004 0.35 < 0.004
2014 2014-08-13 0.004 0.35 < 0.004
2014 2014-08-13 0.004 0.35 < 0.004
2014 2014-08-13 0.004 0.35 < 0.004
2014 2014-08-13 0.004 0.35 < 0.004
2014 2014-05-07 0.004 0.35 < 0.004
2014 2014-05-07 0.004 0.35 < 0.004
2014 2014-05-07 0.004 0.35 < 0.004
2014 2014-05-07 0.004 0.35 < 0.004
2014 2014-05-07 0.004 0.35 < 0.004
2014 2014-02-04 0.004 0.35 < 0.004
2014 2014-02-04 0.004 0.35 < 0.004
2014 2014-02-04 0.004 0.35 < 0.004
2014 2014-02-04 0.004 0.35 < 0.004
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
estriol 0.0008 0.35 < 0.0008 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.0008 0.35 < 0.0008
2014 2014-08-13 0.0008 0.35 < 0.0008
2014 2014-08-13 0.0008 0.35 < 0.0008
2014 2014-08-13 0.0008 0.35 < 0.0008
2014 2014-08-13 0.0008 0.35 < 0.0008
2014 2014-05-07 0.0008 0.35 < 0.0008
2014 2014-05-07 0.0008 0.35 < 0.0008
2014 2014-05-07 0.0008 0.35 < 0.0008
2014 2014-05-07 0.0008 0.35 < 0.0008
2014 2014-05-07 0.0008 0.35 < 0.0008
2014 2014-02-04 0.0008 0.35 < 0.0008
2014 2014-02-04 0.0008 0.35 < 0.0008
2014 2014-02-04 0.0008 0.35 < 0.0008
2014 2014-02-04 0.0008 0.35 < 0.0008
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
estrone 0.002 0.35 < 0.002 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.002 0.35 < 0.002
2014 2014-08-13 0.002 0.35 < 0.002
2014 2014-08-13 0.002 0.35 < 0.002
2014 2014-08-13 0.002 0.35 < 0.002
2014 2014-08-13 0.002 0.35 < 0.002
2014 2014-05-07 0.002 0.35 < 0.002
2014 2014-05-07 0.002 0.35 < 0.002
2014 2014-05-07 0.002 0.35 < 0.002
2014 2014-05-07 0.002 0.35 < 0.002
2014 2014-05-07 0.002 0.35 < 0.002
2014 2014-02-04 0.002 0.35 < 0.002
2014 2014-02-04 0.002 0.35 < 0.002
2014 2014-02-04 0.002 0.35 < 0.002
2014 2014-02-04 0.002 0.35 < 0.002
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.06 90 < 0.06
2014 2014-08-13 0.06 90 < 0.06
2014 2014-08-13 0.06 90 < 0.06
2014 2014-08-13 0.06 90 < 0.06
2014 2014-08-13 0.06 90 < 0.06
2014 2014-05-07 0.06 90 < 0.06
2014 2014-05-07 0.06 90 < 0.06
2014 2014-05-07 0.06 90 < 0.06
2014 2014-05-07 0.06 90 < 0.06
2014 2014-05-07 0.06 90 < 0.06
2014 2014-02-04 0.06 90 < 0.06
2014 2014-02-04 0.06 90 < 0.06
2014 2014-02-04 0.06 90 < 0.06
2014 2014-02-04 0.06 90 < 0.06
2014 2014-02-04 0.06 90 < 0.06
2013 2013-11-05 0.06 90 < 0.06
2013 2013-11-05 0.06 90 < 0.06
2013 2013-11-05 0.06 90 < 0.06
2013 2013-11-05 0.06 90 < 0.06
2013 2013-11-05 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
2014 2014-08-13 0.08 0 < 0.08
2014 2014-08-13 0.08 0 < 0.08
2014 2014-08-13 0.08 0 < 0.08
2014 2014-08-13 0.08 0 < 0.08
2014 2014-08-13 0.08 0 < 0.08
2014 2014-05-07 0.08 0 < 0.08
2014 2014-05-07 0.08 0 < 0.08
2014 2014-05-07 0.08 0 < 0.08
2014 2014-05-07 0.08 0 < 0.08
2014 2014-05-07 0.08 0 < 0.08
2014 2014-02-04 0.08 0 < 0.08
2014 2014-02-04 0.08 0 < 0.08
2014 2014-02-04 0.08 0 < 0.08
2014 2014-02-04 0.08 0 < 0.08
2014 2014-02-04 0.08 0 < 0.08
2013 2013-11-05 0.08 0 < 0.08
2013 2013-11-05 0.08 0 < 0.08
2013 2013-11-05 0.08 0 < 0.08
2013 2013-11-05 0.08 0 < 0.08
2013 2013-11-05 0.08 0 < 0.08
[+] Expand Test Data
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.09 0 < 0.09
2014 2014-08-13 0.09 0 < 0.09
2014 2014-08-13 0.09 0 < 0.09
2014 2014-08-13 0.09 0 < 0.09
2014 2014-08-13 0.09 0 < 0.09
2014 2014-05-07 0.09 0 < 0.09
2014 2014-05-07 0.09 0 < 0.09
2014 2014-05-07 0.09 0 < 0.09
2014 2014-05-07 0.09 0 < 0.09
2014 2014-05-07 0.09 0 < 0.09
2014 2014-02-04 0.09 0 < 0.09
2014 2014-02-04 0.09 0 < 0.09
2014 2014-02-04 0.09 0 < 0.09
2014 2014-02-04 0.09 0 < 0.09
2014 2014-02-04 0.09 0 < 0.09
2013 2013-11-05 0.09 0 < 0.09
2013 2013-11-05 0.09 0 < 0.09
2013 2013-11-05 0.09 0 < 0.09
2013 2013-11-05 0.09 0 < 0.09
2013 2013-11-05 0.09 0 < 0.09
[+] Expand Test Data
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.01 0 < 0.01
2014 2014-08-13 0.01 0 < 0.01
2014 2014-08-13 0.01 0 < 0.01
2014 2014-08-13 0.01 0 < 0.01
2014 2014-08-13 0.01 0 < 0.01
2014 2014-05-07 0.01 0 < 0.01
2014 2014-05-07 0.01 0 < 0.01
2014 2014-05-07 0.01 0 < 0.01
2014 2014-05-07 0.01 0 < 0.01
2014 2014-05-07 0.01 0 < 0.01
2014 2014-02-04 0.01 0 < 0.01
2014 2014-02-04 0.01 0 < 0.01
2014 2014-02-04 0.01 0 < 0.01
2014 2014-02-04 0.01 0 < 0.01
2014 2014-02-04 0.01 0 < 0.01
2013 2013-11-05 0.01 0 < 0.01
2013 2013-11-05 0.01 0 < 0.01
2013 2013-11-05 0.01 0 < 0.01
2013 2013-11-05 0.01 0 < 0.01
2013 2013-11-05 0.01 0 < 0.01
[+] Expand Test Data
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.03 0 < 0.03
2014 2014-08-13 0.03 0 < 0.03
2014 2014-08-13 0.03 0 < 0.03
2014 2014-08-13 0.03 0 < 0.03
2014 2014-08-13 0.03 0 < 0.03
2014 2014-05-07 0.03 0 < 0.03
2014 2014-05-07 0.03 0 < 0.03
2014 2014-05-07 0.03 0 < 0.03
2014 2014-05-07 0.03 0 < 0.03
2014 2014-05-07 0.03 0 < 0.03
2014 2014-02-04 0.03 0 < 0.03
2014 2014-02-04 0.03 0 < 0.03
2014 2014-02-04 0.03 0 < 0.03
2014 2014-02-04 0.03 0 < 0.03
2014 2014-02-04 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
[+] Expand Test Data
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.02 0 < 0.02
2014 2014-08-13 0.02 0 < 0.02
2014 2014-08-13 0.02 0 < 0.02
2014 2014-08-13 0.02 0 < 0.02
2014 2014-08-13 0.02 0 < 0.02
2014 2014-05-07 0.02 0 < 0.02
2014 2014-05-07 0.02 0 < 0.02
2014 2014-05-07 0.02 0 < 0.02
2014 2014-05-07 0.02 0 < 0.02
2014 2014-05-07 0.02 0 < 0.02
2014 2014-02-04 0.02 0 < 0.02
2014 2014-02-04 0.02 0 < 0.02
2014 2014-02-04 0.02 0 < 0.02
2014 2014-02-04 0.02 0 < 0.02
2014 2014-02-04 0.02 0 < 0.02
2013 2013-11-05 0.02 0 < 0.02
2013 2013-11-05 0.02 0 < 0.02
2013 2013-11-05 0.02 0 < 0.02
2013 2013-11-05 0.02 0 < 0.02
2013 2013-11-05 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
2014 2014-08-13 0.02 0.07 < 0.02
2014 2014-08-13 0.02 0.07 < 0.02
2014 2014-08-13 0.02 0.07 < 0.02
2014 2014-08-13 0.02 0.07 < 0.02
2014 2014-08-13 0.02 0.07 < 0.02
2014 2014-05-07 0.02 0.07 < 0.02
2014 2014-05-07 0.02 0.07 < 0.02
2014 2014-05-07 0.02 0.07 < 0.02
2014 2014-05-07 0.02 0.07 < 0.02
2014 2014-05-07 0.02 0.07 < 0.02
2014 2014-02-04 0.02 0.07 < 0.02
2014 2014-02-04 0.02 0.07 < 0.02
2014 2014-02-04 0.02 0.07 < 0.02
2014 2014-02-04 0.02 0.07 < 0.02
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.04 0.07 < 0.04
2014 2014-08-13 0.04 0.07 < 0.04
2014 2014-08-13 0.04 0.07 < 0.04
2014 2014-08-13 0.04 0.07 < 0.04
2014 2014-08-13 0.04 0.07 < 0.04
2014 2014-05-07 0.04 0.07 < 0.04
2014 2014-05-07 0.04 0.07 < 0.04
2014 2014-05-07 0.04 0.07 < 0.04
2014 2014-05-07 0.04 0.07 < 0.04
2014 2014-05-07 0.04 0.07 < 0.04
2014 2014-02-04 0.04 0.07 < 0.04
2014 2014-02-04 0.04 0.07 < 0.04
2014 2014-02-04 0.04 0.07 < 0.04
2014 2014-02-04 0.04 0.07 < 0.04
2014 2014-02-04 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 2013-11-05 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
[+] Expand Test Data
testosterone 0.0001 0 < 0.0001 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-13 0.0001 0 < 0.0001
2014 2014-08-13 0.0001 0 < 0.0001
2014 2014-08-13 0.0001 0 < 0.0001
2014 2014-08-13 0.0001 0 < 0.0001
2014 2014-08-13 0.0001 0 < 0.0001
2014 2014-05-07 0.0001 0 < 0.0001
2014 2014-05-07 0.0001 0 < 0.0001
2014 2014-05-07 0.0001 0 < 0.0001
2014 2014-05-07 0.0001 0 < 0.0001
2014 2014-05-07 0.0001 0 < 0.0001
2014 2014-02-04 0.0001 0 < 0.0001
2014 2014-02-04 0.0001 0 < 0.0001
2014 2014-02-04 0.0001 0 < 0.0001
2014 2014-02-04 0.0001 0 < 0.0001
2014 2014-02-04 0.0001 0 < 0.0001
2013 2013-11-05 0.0001 0 < 0.0001
2013 2013-11-05 0.0001 0 < 0.0001
2013 2013-11-05 0.0001 0 < 0.0001
2013 2013-11-05 0.0001 0 < 0.0001
2013 2013-11-05 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
CA65184 lead 2017-01-01 2019-12-31 0mg/L
CA53857 lead 2016-01-01 2018-12-31 0mg/L
CA38918 lead 2013-01-01 2015-12-31 0mg/L
411001311165L1ST 6 lead 2011-01-01 2011-12-31 0.0142mg/L
411001311179LT1 lead 2011-01-01 2011-12-31 0.0008mg/L
411001311273L2ND 6 lead 2011-01-01 2011-12-31 0.0094mg/L
411001310265L lead 2010-01-01 2010-12-31 0.004mg/L

Violations

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

Compliance Dates Rule Violation Type Contaminant Name Status
2003-12-01 - 2003-12-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
2000-05-01 - 2000-05-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Acute (TCR) Coliform (TCR) Known
- N/A Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment 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.

Lab Location Zip Code
Dysert Environmental, Inc. San Carlos, CA 94070
Monterey Bay Analytical Services, Inc. Monterey, CA 93940
Cel Analytical, Inc. San Francisco, CA 94103

Water Bill Information

Convenient information about your water service.

Unable to identify any billing information about City Of Daly City (CA4110013).

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.