Crescenta Valley Cwd 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: CA1910028
Type: Community water system
EPA Region: 09
Primary Source: Surface water purchased
Population Served: 32,710 		Contact Information
SCOTT, CHRISTY
SCOTT, CHRISTY
2700 FOOTHILL BOULEVARD
LA CRESCENTA, CA 91214
[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   (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).

chlorate

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2013 2013-12-10 20 210 220
2013 2013-12-10 20 210 66
2013 2013-09-17 20 210 270
2013 2013-09-17 20 210 960
2013 2013-09-17 20 210 450
2013 2013-09-17 20 210 420
2013 2013-09-17 20 210 350
2013 2013-09-17 20 210 500
2013 2013-09-17 20 210 330
2013 2013-09-17 20 210 430
2013 2013-09-17 20 210 320
2013 2013-09-17 20 210 90
2013 2013-09-17 20 210 740
2013 2013-09-17 20 210 52
2013 2013-09-17 20 210 64
2013 2013-09-17 20 210 310
2013 2013-06-04 20 210 330
2013 2013-06-03 20 210 63
2013 2013-03-20 20 210 260
2013 2013-03-20 20 210 390
2013 2013-03-20 20 210 300
2013 2013-03-20 20 210 300
2013 2013-03-20 20 210 300
2013 2013-03-20 20 210 290
2013 2013-03-20 20 210 100
2013 2013-03-20 20 210 300
2013 2013-03-20 20 210 270
2013 2013-03-20 20 210 73
2013 2013-03-20 20 210 400
2013 2013-03-20 20 210 290
2013 2013-03-20 20 210 37
2013 2013-03-20 20 210 320

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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 0.4025 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.2 100 0.42
2013 2013-12-10 0.2 100 < 0.2
2013 2013-09-17 0.2 100 0.46
2013 2013-09-17 0.2 100 0.39
2013 2013-09-17 0.2 100 0.27
2013 2013-09-17 0.2 100 0.27
2013 2013-09-17 0.2 100 0.35
2013 2013-09-17 0.2 100 0.27
2013 2013-09-17 0.2 100 0.29
2013 2013-09-17 0.2 100 0.26
2013 2013-09-17 0.2 100 0.27
2013 2013-09-17 0.2 100 < 0.2
2013 2013-09-17 0.2 100 0.5
2013 2013-09-17 0.2 100 < 0.2
2013 2013-09-17 0.2 100 < 0.2
2013 2013-09-17 0.2 100 0.44
2013 2013-06-04 0.2 100 0.36
2013 2013-06-03 0.2 100 < 0.2
2013 2013-03-20 0.2 100 0.49
2013 2013-03-20 0.2 100 0.62
2013 2013-03-20 0.2 100 0.99
2013 2013-03-20 0.2 100 0.72
2013 2013-03-20 0.2 100 0.26
2013 2013-03-20 0.2 100 0.41
2013 2013-03-20 0.2 100 0.5
2013 2013-03-20 0.2 100 0.93
2013 2013-03-20 0.2 100 0.91
2013 2013-03-20 0.2 100 < 0.2
2013 2013-03-20 0.2 100 0.6
2013 2013-03-20 0.2 100 1
2013 2013-03-20 0.2 100 0.38
2013 2013-03-20 0.2 100 0.52
[+] Expand Test Data
chromium-6 0.03 0 0.2578 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.03 0 0.19
2013 2013-12-10 0.03 0 0.045
2013 2013-09-17 0.03 0 0.53
2013 2013-09-17 0.03 0 0.44
2013 2013-09-17 0.03 0 0.27
2013 2013-09-17 0.03 0 0.26
2013 2013-09-17 0.03 0 0.28
2013 2013-09-17 0.03 0 0.27
2013 2013-09-17 0.03 0 0.28
2013 2013-09-17 0.03 0 0.25
2013 2013-09-17 0.03 0 0.28
2013 2013-09-17 0.03 0 0.072
2013 2013-09-17 0.03 0 0.53
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 0.079
2013 2013-09-17 0.03 0 0.47
2013 2013-06-04 0.03 0 0.29
2013 2013-06-03 0.03 0 0.08
2013 2013-03-20 0.03 0 0.36
2013 2013-03-20 0.03 0 0.52
2013 2013-03-20 0.03 0 0.26
2013 2013-03-20 0.03 0 0.24
2013 2013-03-20 0.03 0 0.11
2013 2013-03-20 0.03 0 0.29
2013 2013-03-20 0.03 0 0.11
2013 2013-03-20 0.03 0 0.22
2013 2013-03-20 0.03 0 0.33
2013 2013-03-20 0.03 0 0.034
2013 2013-03-20 0.03 0 0.5
2013 2013-03-20 0.03 0 0.1
2013 2013-03-20 0.03 0 0.14
2013 2013-03-20 0.03 0 0.42
[+] Expand Test Data
cobalt 1 70 0.0375 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 1 70 1.2
2013 2013-12-10 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-09-17 1 70 < 1
2013 2013-06-04 1 70 < 1
2013 2013-06-03 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
2013 2013-03-20 1 70 < 1
[+] Expand Test Data
molybdenum 1 40 3.3781 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 1 40 3.5
2013 2013-12-10 1 40 4.4
2013 2013-09-17 1 40 3
2013 2013-09-17 1 40 3.8
2013 2013-09-17 1 40 4.1
2013 2013-09-17 1 40 4
2013 2013-09-17 1 40 3.7
2013 2013-09-17 1 40 4.1
2013 2013-09-17 1 40 3.9
2013 2013-09-17 1 40 4.1
2013 2013-09-17 1 40 3.8
2013 2013-09-17 1 40 4.9
2013 2013-09-17 1 40 3.1
2013 2013-09-17 1 40 < 1
2013 2013-09-17 1 40 4.2
2013 2013-09-17 1 40 4.4
2013 2013-06-04 1 40 3.5
2013 2013-06-03 1 40 4.1
2013 2013-03-20 1 40 3.5
2013 2013-03-20 1 40 3
2013 2013-03-20 1 40 1.8
2013 2013-03-20 1 40 1.8
2013 2013-03-20 1 40 1.1
2013 2013-03-20 1 40 2.4
2013 2013-03-20 1 40 4.5
2013 2013-03-20 1 40 2
2013 2013-03-20 1 40 3
2013 2013-03-20 1 40 4.7
2013 2013-03-20 1 40 3
2013 2013-03-20 1 40 1.4
2013 2013-03-20 1 40 4.5
2013 2013-03-20 1 40 4.8
[+] Expand Test Data
strontium 0.3 1500 659.6875 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.3 1500 750
2013 2013-12-10 0.3 1500 880
2013 2013-09-17 0.3 1500 630
2013 2013-09-17 0.3 1500 610
2013 2013-09-17 0.3 1500 760
2013 2013-09-17 0.3 1500 750
2013 2013-09-17 0.3 1500 790
2013 2013-09-17 0.3 1500 750
2013 2013-09-17 0.3 1500 810
2013 2013-09-17 0.3 1500 750
2013 2013-09-17 0.3 1500 790
2013 2013-09-17 0.3 1500 200
2013 2013-09-17 0.3 1500 670
2013 2013-09-17 0.3 1500 640
2013 2013-09-17 0.3 1500 860
2013 2013-09-17 0.3 1500 640
2013 2013-06-04 0.3 1500 680
2013 2013-06-03 0.3 1500 790
2013 2013-03-20 0.3 1500 680
2013 2013-03-20 0.3 1500 650
2013 2013-03-20 0.3 1500 640
2013 2013-03-20 0.3 1500 660
2013 2013-03-20 0.3 1500 620
2013 2013-03-20 0.3 1500 610
2013 2013-03-20 0.3 1500 280
2013 2013-03-20 0.3 1500 690
2013 2013-03-20 0.3 1500 640
2013 2013-03-20 0.3 1500 190
2013 2013-03-20 0.3 1500 640
2013 2013-03-20 0.3 1500 640
2013 2013-03-20 0.3 1500 750
2013 2013-03-20 0.3 1500 670
[+] Expand Test Data
vanadium 0.2 21 3.025 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.2 21 4.2
2013 2013-12-10 0.2 21 2.5
2013 2013-09-17 0.2 21 3.6
2013 2013-09-17 0.2 21 3.8
2013 2013-09-17 0.2 21 3.3
2013 2013-09-17 0.2 21 3.3
2013 2013-09-17 0.2 21 4
2013 2013-09-17 0.2 21 3.3
2013 2013-09-17 0.2 21 3.4
2013 2013-09-17 0.2 21 3.3
2013 2013-09-17 0.2 21 3.3
2013 2013-09-17 0.2 21 1.3
2013 2013-09-17 0.2 21 3.9
2013 2013-09-17 0.2 21 < 0.2
2013 2013-09-17 0.2 21 2.9
2013 2013-09-17 0.2 21 4.2
2013 2013-06-04 0.2 21 3.4
2013 2013-06-03 0.2 21 2.9
2013 2013-03-20 0.2 21 3.5
2013 2013-03-20 0.2 21 4
2013 2013-03-20 0.2 21 2.8
2013 2013-03-20 0.2 21 2.8
2013 2013-03-20 0.2 21 1.7
2013 2013-03-20 0.2 21 2.7
2013 2013-03-20 0.2 21 1.8
2013 2013-03-20 0.2 21 2.7
2013 2013-03-20 0.2 21 3.2
2013 2013-03-20 0.2 21 1.4
2013 2013-03-20 0.2 21 3.9
2013 2013-03-20 0.2 21 1.8
2013 2013-03-20 0.2 21 3.1
2013 2013-03-20 0.2 21 4.8
[+] Expand Test Data
1,1-dichloroethane 0.03 6.14 0.0261 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.03 6.14 < 0.03
2013 2013-09-17 0.03 6.14 < 0.03
2013 2013-09-17 0.03 6.14 < 0.03
2013 2013-09-17 0.03 6.14 < 0.03
2013 2013-09-17 0.03 6.14 0.036
2013 2013-09-17 0.03 6.14 0.033
2013 2013-09-17 0.03 6.14 < 0.03
2013 2013-09-17 0.03 6.14 0.038
2013 2013-06-03 0.03 6.14 < 0.03
2013 2013-03-20 0.03 6.14 0.078
2013 2013-03-20 0.03 6.14 0.042
2013 2013-03-20 0.03 6.14 < 0.03
2013 2013-03-20 0.03 6.14 0.06
2013 2013-03-20 0.03 6.14 0.068
2013 2013-03-20 0.03 6.14 < 0.03
2013 2013-03-20 0.03 6.14 0.063
[+] Expand Test Data
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-09-17 0.03 0.0004 < 0.03
2013 2013-06-03 0.03 0.0004 < 0.03
2013 2013-03-20 0.03 0.0004 < 0.03
2013 2013-03-20 0.03 0.0004 < 0.03
2013 2013-03-20 0.03 0.0004 < 0.03
2013 2013-03-20 0.03 0.0004 < 0.03
2013 2013-03-20 0.03 0.0004 < 0.03
2013 2013-03-20 0.03 0.0004 < 0.03
2013 2013-03-20 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 2013-12-10 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-09-17 0.1 0.0103 < 0.1
2013 2013-06-03 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
2013 2013-03-20 0.1 0.0103 < 0.1
[+] Expand Test Data
1,4-dioxane 0.07 0.35 0.1344 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.07 0.35 < 0.07
2013 2013-09-17 0.07 0.35 0.11
2013 2013-09-17 0.07 0.35 0.095
2013 2013-09-17 0.07 0.35 < 0.07
2013 2013-09-17 0.07 0.35 0.25
2013 2013-09-17 0.07 0.35 0.2
2013 2013-09-17 0.07 0.35 < 0.07
2013 2013-09-17 0.07 0.35 0.22
2013 2013-06-03 0.07 0.35 < 0.07
2013 2013-04-23 0.07 0.35 < 0.07
2013 2013-03-20 0.07 0.35 0.271
2013 2013-03-20 0.07 0.35 0.194
2013 2013-03-20 0.07 0.35 < 0.07
2013 2013-03-20 0.07 0.35 0.27
2013 2013-03-20 0.07 0.35 0.281
2013 2013-03-20 0.07 0.35 0.26
[+] Expand Test Data
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-09-17 0.2 140 < 0.2
2013 2013-06-03 0.2 140 < 0.2
2013 2013-03-20 0.2 140 < 0.2
2013 2013-03-20 0.2 140 < 0.2
2013 2013-03-20 0.2 140 < 0.2
2013 2013-03-20 0.2 140 < 0.2
2013 2013-03-20 0.2 140 < 0.2
2013 2013-03-20 0.2 140 < 0.2
2013 2013-03-20 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 2013-12-10 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-09-17 0.2 2.69 < 0.2
2013 2013-06-03 0.2 2.69 < 0.2
2013 2013-03-20 0.2 2.69 < 0.2
2013 2013-03-20 0.2 2.69 < 0.2
2013 2013-03-20 0.2 2.69 < 0.2
2013 2013-03-20 0.2 2.69 < 0.2
2013 2013-03-20 0.2 2.69 < 0.2
2013 2013-03-20 0.2 2.69 < 0.2
2013 2013-03-20 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
2013 2013-12-10 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-09-17 0.06 90 < 0.06
2013 2013-06-03 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
2013 2013-03-20 0.06 90 < 0.06
[+] Expand Test Data
HCFC-22 0.08 0 0.0116 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-09-17 0.08 0 < 0.08
2013 2013-06-03 0.08 0 < 0.08
2013 2013-03-20 0.08 0 < 0.08
2013 2013-03-20 0.08 0 < 0.08
2013 2013-03-20 0.08 0 < 0.08
2013 2013-03-20 0.08 0 < 0.08
2013 2013-03-20 0.08 0 0.095
2013 2013-03-20 0.08 0 < 0.08
2013 2013-03-20 0.08 0 0.091
[+] Expand Test Data
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-12-10 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-09-17 0.09 0 < 0.09
2013 2013-06-03 0.09 0 < 0.09
2013 2013-03-20 0.09 0 < 0.09
2013 2013-03-20 0.09 0 < 0.09
2013 2013-03-20 0.09 0 < 0.09
2013 2013-03-20 0.09 0 < 0.09
2013 2013-03-20 0.09 0 < 0.09
2013 2013-03-20 0.09 0 < 0.09
2013 2013-03-20 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 2013-12-10 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-09-17 0.01 0 < 0.01
2013 2013-06-03 0.01 0 < 0.01
2013 2013-03-20 0.01 0 < 0.01
2013 2013-03-20 0.01 0 < 0.01
2013 2013-03-20 0.01 0 < 0.01
2013 2013-03-20 0.01 0 < 0.01
2013 2013-03-20 0.01 0 < 0.01
2013 2013-03-20 0.01 0 < 0.01
2013 2013-03-20 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 2013-12-10 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-09-17 0.03 0 < 0.03
2013 2013-06-03 0.03 0 < 0.03
2013 2013-03-20 0.03 0 < 0.03
2013 2013-03-20 0.03 0 < 0.03
2013 2013-03-20 0.03 0 < 0.03
2013 2013-03-20 0.03 0 < 0.03
2013 2013-03-20 0.03 0 < 0.03
2013 2013-03-20 0.03 0 < 0.03
2013 2013-03-20 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 2013-12-10 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-09-17 0.02 0 < 0.02
2013 2013-06-03 0.02 0 < 0.02
2013 2013-03-20 0.02 0 < 0.02
2013 2013-03-20 0.02 0 < 0.02
2013 2013-03-20 0.02 0 < 0.02
2013 2013-03-20 0.02 0 < 0.02
2013 2013-03-20 0.02 0 < 0.02
2013 2013-03-20 0.02 0 < 0.02
2013 2013-03-20 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 2013-12-10 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-09-17 0.02 0.07 < 0.02
2013 2013-06-03 0.02 0.07 < 0.02
2013 2013-03-20 0.02 0.07 < 0.02
2013 2013-03-20 0.02 0.07 < 0.02
2013 2013-03-20 0.02 0.07 < 0.02
2013 2013-03-20 0.02 0.07 < 0.02
2013 2013-03-20 0.02 0.07 < 0.02
2013 2013-03-20 0.02 0.07 < 0.02
2013 2013-03-20 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 2013-12-10 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-09-17 0.04 0.07 < 0.04
2013 2013-06-03 0.04 0.07 < 0.04
2013 2013-03-20 0.04 0.07 < 0.04
2013 2013-03-20 0.04 0.07 < 0.04
2013 2013-03-20 0.04 0.07 < 0.04
2013 2013-03-20 0.04 0.07 < 0.04
2013 2013-03-20 0.04 0.07 < 0.04
2013 2013-03-20 0.04 0.07 < 0.04
2013 2013-03-20 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 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
CA59783 lead 2015-01-01 2017-12-31 0.002mg/L
CA45322 lead 2014-01-01 2014-12-31 0.0024mg/L
CA38754 lead 2013-01-01 2013-12-31 0.0021mg/L
CA38751 lead 2012-01-01 2012-12-31 0.00356mg/L
191002812237LA1 lead 2012-01-01 2012-12-31 0.00356mg/L
CA38742 lead 2011-07-01 2011-12-31 0.0045mg/L
191002811229L lead 2011-01-01 2011-12-31 0.0045mg/L
191002811047L lead 2011-01-01 2011-12-31 0.00229mg/L
191002810210L6M2ND-2 lead 2010-01-01 2010-12-31 0.003mg/L
191002810048L6M1ST-2 lead 2010-01-01 2010-12-31 0.003mg/L
191002809250LT4 lead 2009-01-01 2009-12-31 0.009mg/L
191002809285L2ND 6 lead 2009-01-01 2009-12-31 0.004mg/L
191002809273LT3 lead 2009-01-01 2009-12-31 0.008mg/L
191002809266L1ST 6 lead 2009-01-01 2009-12-31 0.003mg/L
191002809253LT2 lead 2009-01-01 2009-12-31 0.006mg/L
191002809251L2ND 6 lead 2009-01-01 2009-12-31 0.011mg/L
191002809250CT4 copper 2009-01-01 2009-12-31 1.7mg/L
191002809237LT1 lead 2009-01-01 2009-12-31 0.011mg/L
191002809231L lead 2009-01-01 2009-12-31 0.008mg/L
191002809224L2ND 6 lead 2009-01-01 2009-12-31 0.011mg/L
191002809217LYR1993 lead 2009-01-01 2009-12-31 0.009mg/L
191002809209L2ND 6 lead 2009-01-01 2009-12-31 0.004mg/L
191002809197L1ST 6 lead 2009-01-01 2009-12-31 0.005mg/L
191002809197C1ST 6 copper 2009-01-01 2009-12-31 1.76mg/L
191002809196L lead 2009-01-01 2009-12-31 0.013mg/L
191002809041L1ST 6 lead 2009-01-01 2009-12-31 0.003mg/L
191002808023C copper 2008-01-01 2008-12-31 1.76mg/L
191002808239L2ND 6 lead 2008-01-01 2008-12-31 0.011mg/L
191002808239L lead 2008-01-01 2008-12-31 0.0114mg/L
191002808023L1ST 6 lead 2008-01-01 2008-12-31 0.005mg/L
191002808023L lead 2008-01-01 2008-12-31 0.005mg/L
191002808023C1ST 6 copper 2008-01-01 2008-12-31 1.76mg/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 Returned to Compliance
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
- N/A 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
American Analytics Inc. Chatsworth, CA 91311

Water Bill Information

Convenient information about your water service.

Unable to identify any billing information about Crescenta Valley Cwd (CA1910028).

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.