Riverbank, City Of 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: CA5010018
Type: Community water system
EPA Region: 09
Primary Service Area: Residential Area
Primary Source: Ground water
Population Served: 23,734
Contact Information
RIDDELL, MICHAEL
RIDDELL, MICHAEL
6707 Third St.
RIVERBANK, CA 95367
[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):

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).

vanadium

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2015 2015-05-04 0.2 21 15
2015 2015-05-04 0.2 21 22
2015 2015-05-04 0.2 21 21
2015 2015-05-04 0.2 21 27
2015 2015-05-04 0.2 21 21
2015 2015-05-04 0.2 21 24
2015 2015-05-04 0.2 21 22
2015 2015-05-04 0.2 21 15
2015 2015-05-04 0.2 21 23
2015 2015-05-04 0.2 21 24
2015 2015-05-04 0.2 21 29
2015 2015-05-04 0.2 21 23
2015 2015-05-04 0.2 21 17
2015 2015-05-04 0.2 21 21
2014 2014-01-22 0.2 21 21
2014 2014-01-22 0.2 21 21
2014 2014-01-14 0.2 21 19
2014 2014-01-14 0.2 21 20
2014 2014-01-14 0.2 21 21
2013 2013-07-29 0.2 21 20
2013 2013-07-24 0.2 21 21
2013 2013-07-24 0.2 21 21
2013 2013-07-24 0.2 21 19
2013 2013-07-24 0.2 21 28
2013 2013-07-24 0.2 21 21
2013 2013-07-24 0.2 21 29
2013 2013-07-24 0.2 21 23
2013 2013-07-24 0.2 21 28
2013 2013-07-24 0.2 21 21
2013 2013-07-24 0.2 21 22
2013 2013-07-24 0.2 21 21
2013 2013-07-24 0.2 21 15
2013 2013-07-24 0.2 21 29
2013 2013-07-24 0.2 21 25
2013 2013-07-24 0.2 21 30
2013 2013-07-24 0.2 21 23
2013 2013-07-24 0.2 21 18
2013 2013-07-24 0.2 21 21
2013 2013-07-24 0.2 21 21

1-butanol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 2 0.00 < 2
2018 2018-01-25 2 0.00 < 2
2018 2018-01-10 2 0.00 < 2
2018 2018-01-10 2 0.00 < 2
2018 2018-01-10 2 0.00 < 2
2018 2018-01-10 2 0.00 < 2
2018 2018-01-09 2 0.00 < 2
2018 2018-01-09 2 0.00 < 2
2018 2018-01-09 2 0.00 < 2
2018 2018-01-09 2 0.00 < 2

2-methoxyethanol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.4 0.00 < 0.4
2018 2018-01-25 0.4 0.00 < 0.4
2018 2018-01-10 0.4 0.00 < 0.4
2018 2018-01-10 0.4 0.00 < 0.4
2018 2018-01-10 0.4 0.00 < 0.4
2018 2018-01-10 0.4 0.00 < 0.4
2018 2018-01-09 0.4 0.00 < 0.4
2018 2018-01-09 0.4 0.00 < 0.4
2018 2018-01-09 0.4 0.00 < 0.4
2018 2018-01-09 0.4 0.00 < 0.4

2-propen-1-ol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.5 0.00 < 0.5
2018 2018-01-25 0.5 0.00 < 0.5
2018 2018-01-10 0.5 0.00 < 0.5
2018 2018-01-10 0.5 0.00 < 0.5
2018 2018-01-10 0.5 0.00 < 0.5
2018 2018-01-10 0.5 0.00 < 0.5
2018 2018-01-09 0.5 0.00 < 0.5
2018 2018-01-09 0.5 0.00 < 0.5
2018 2018-01-09 0.5 0.00 < 0.5
2018 2018-01-09 0.5 0.00 < 0.5

butylated hydroxyanisole

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.03 0.00 < 0.03
2018 2018-01-25 0.03 0.00 < 0.03
2018 2018-01-10 0.03 0.00 < 0.03
2018 2018-01-10 0.03 0.00 < 0.03
2018 2018-01-10 0.03 0.00 < 0.03
2018 2018-01-10 0.03 0.00 < 0.03
2018 2018-01-09 0.03 0.00 < 0.03
2018 2018-01-09 0.03 0.00 < 0.03
2018 2018-01-09 0.03 0.00 < 0.03
2018 2018-01-09 0.03 0.00 < 0.03

germanium

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.3 0.00 < 0.3
2018 2018-01-25 0.3 0.00 < 0.3
2018 2018-01-10 0.3 0.00 < 0.3
2018 2018-01-10 0.3 0.00 < 0.3
2018 2018-01-10 0.3 0.00 < 0.3
2018 2018-01-10 0.3 0.00 < 0.3
2018 2018-01-09 0.3 0.00 < 0.3
2018 2018-01-09 0.3 0.00 < 0.3
2018 2018-01-09 0.3 0.00 < 0.3
2018 2018-01-09 0.3 0.00 < 0.3

manganese

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.4 0.00 0.88
2018 2018-01-25 0.4 0.00 5.5
2018 2018-01-10 0.4 0.00 1.8
2018 2018-01-10 0.4 0.00 4.1
2018 2018-01-10 0.4 0.00 < 0.4
2018 2018-01-10 0.4 0.00 < 0.4
2018 2018-01-09 0.4 0.00 5.1
2018 2018-01-09 0.4 0.00 < 0.4
2018 2018-01-09 0.4 0.00 1.2
2018 2018-01-09 0.4 0.00 < 0.4

o-toluidine

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.007 0.00 < 0.007
2018 2018-01-25 0.007 0.00 < 0.007
2018 2018-01-10 0.007 0.00 < 0.007
2018 2018-01-10 0.007 0.00 < 0.007
2018 2018-01-10 0.007 0.00 < 0.007
2018 2018-01-10 0.007 0.00 < 0.007
2018 2018-01-09 0.007 0.00 < 0.007
2018 2018-01-09 0.007 0.00 < 0.007
2018 2018-01-09 0.007 0.00 < 0.007
2018 2018-01-09 0.007 0.00 < 0.007

quinoline

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.02 0.00 < 0.02
2018 2018-01-25 0.02 0.00 < 0.02
2018 2018-01-10 0.02 0.00 < 0.02
2018 2018-01-10 0.02 0.00 < 0.02
2018 2018-01-10 0.02 0.00 < 0.02
2018 2018-01-10 0.02 0.00 < 0.02
2018 2018-01-09 0.02 0.00 < 0.02
2018 2018-01-09 0.02 0.00 < 0.02
2018 2018-01-09 0.02 0.00 < 0.02
2018 2018-01-09 0.02 0.00 < 0.02

alpha-hexachlorocyclohexane

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.01 0.00 < 0.01
2018 2018-01-25 0.01 0.00 < 0.01

chlorpyrifos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.03 0.00 < 0.03
2018 2018-01-25 0.03 0.00 < 0.03

dimethipin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.2 0.00 < 0.2
2018 2018-01-25 0.2 0.00 < 0.2

ethoprop

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.03 0.00 < 0.03
2018 2018-01-25 0.03 0.00 < 0.03

oxyfluorfen

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.05 0.00 < 0.05
2018 2018-01-25 0.05 0.00 < 0.05

profenofos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.3 0.00 < 0.3
2018 2018-01-25 0.3 0.00 < 0.3

tebuconazole

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.2 0.00 < 0.2
2018 2018-01-25 0.2 0.00 < 0.2

total permethrin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.04 0.00 < 0.04
2018 2018-01-25 0.04 0.00 < 0.04

tribufos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-01-25 0.07 0.00 < 0.07
2018 2018-01-25 0.07 0.00 < 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
chlorate 20 210 16.35 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 20 210 < 20
2014 2014-01-22 20 210 30
2014 2014-01-15 20 210 < 20
2014 2014-01-15 20 210 < 20
2014 2014-01-15 20 210 48
2014 2014-01-15 20 210 < 20
2014 2014-01-15 20 210 < 20
2014 2014-01-15 20 210 < 20
2014 2014-01-15 20 210 45
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 36
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 41
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 < 20
2014 2014-01-14 20 210 36
2013 2013-07-29 20 210 < 20
2013 2013-07-24 20 210 23
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 170
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 37
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 68
2013 2013-07-24 20 210 < 20
2013 2013-07-24 20 210 120
chromium 0.2 100 3.7205 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-05-04 0.2 100 4
2015 2015-05-04 0.2 100 3.2
2015 2015-05-04 0.2 100 2.5
2015 2015-05-04 0.2 100 2.9
2015 2015-05-04 0.2 100 4.4
2015 2015-05-04 0.2 100 3.6
2015 2015-05-04 0.2 100 3.7
2015 2015-05-04 0.2 100 4
2015 2015-05-04 0.2 100 3.4
2015 2015-05-04 0.2 100 2.9
2015 2015-05-04 0.2 100 3.2
2015 2015-05-04 0.2 100 4.9
2015 2015-05-04 0.2 100 3.5
2015 2015-05-04 0.2 100 3.5
2014 2014-01-22 0.2 100 5.1
2014 2014-01-22 0.2 100 5.2
2014 2014-01-14 0.2 100 3.1
2014 2014-01-14 0.2 100 3.1
2014 2014-01-14 0.2 100 2.1
2013 2013-10-18 0.2 100 4.3
2013 2013-10-18 0.2 100 3.4
2013 2013-07-24 0.2 100 3.4
2013 2013-07-24 0.2 100 4.9
2013 2013-07-24 0.2 100 4.6
2013 2013-07-24 0.2 100 4.1
2013 2013-07-24 0.2 100 4.7
2013 2013-07-24 0.2 100 3.1
2013 2013-07-24 0.2 100 4.1
2013 2013-07-24 0.2 100 4
2013 2013-07-24 0.2 100 3.2
2013 2013-07-24 0.2 100 4
2013 2013-07-24 0.2 100 3.4
2013 2013-07-24 0.2 100 4
2013 2013-07-24 0.2 100 4.3
2013 2013-07-24 0.2 100 3
2013 2013-07-24 0.2 100 3.3
2013 2013-07-24 0.2 100 4.3
2013 2013-07-24 0.2 100 3.3
2013 2013-07-24 0.2 100 3.4
chromium-6 0.03 0 3.5175 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-15 0.03 0 3.8
2014 2014-01-15 0.03 0 3.1
2014 2014-01-15 0.03 0 2.8
2014 2014-01-15 0.03 0 2.9
2014 2014-01-15 0.03 0 4
2014 2014-01-15 0.03 0 3.3
2014 2014-01-15 0.03 0 2.5
2014 2014-01-15 0.03 0 3.1
2014 2014-01-14 0.03 0 3
2014 2014-01-14 0.03 0 4.5
2014 2014-01-14 0.03 0 3.8
2014 2014-01-14 0.03 0 3.8
2014 2014-01-14 0.03 0 3.6
2014 2014-01-14 0.03 0 2.4
2014 2014-01-14 0.03 0 3.6
2014 2014-01-14 0.03 0 5
2014 2014-01-14 0.03 0 4
2014 2014-01-14 0.03 0 3.5
2014 2014-01-14 0.03 0 3.6
2014 2014-01-14 0.03 0 2.7
2013 2013-07-29 0.03 0 4.7
2013 2013-07-24 0.03 0 2.9
2013 2013-07-24 0.03 0 4.5
2013 2013-07-24 0.03 0 4.1
2013 2013-07-24 0.03 0 3.9
2013 2013-07-24 0.03 0 4.4
2013 2013-07-24 0.03 0 2.9
2013 2013-07-24 0.03 0 3.8
2013 2013-07-24 0.03 0 4
2013 2013-07-24 0.03 0 3.4
2013 2013-07-24 0.03 0 3.9
2013 2013-07-24 0.03 0 3.2
2013 2013-07-24 0.03 0 3.7
2013 2013-07-24 0.03 0 3.9
2013 2013-07-24 0.03 0 2.8
2013 2013-07-24 0.03 0 3
2013 2013-07-24 0.03 0 3.9
2013 2013-07-24 0.03 0 2.9
2013 2013-07-24 0.03 0 3
2013 2013-07-24 0.03 0 2.8
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2015 2015-05-04 1 70 < 1
2014 2014-01-22 1 70 < 1
2014 2014-01-22 1 70 < 1
2014 2014-01-14 1 70 < 1
2014 2014-01-14 1 70 < 1
2014 2014-01-14 1 70 < 1
2013 2013-07-29 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
2013 2013-07-24 1 70 < 1
molybdenum 1 40 0.9564 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-05-04 1 40 1
2015 2015-05-04 1 40 1.1
2015 2015-05-04 1 40 1.2
2015 2015-05-04 1 40 < 1
2015 2015-05-04 1 40 1.6
2015 2015-05-04 1 40 1.2
2015 2015-05-04 1 40 < 1
2015 2015-05-04 1 40 1.1
2015 2015-05-04 1 40 1.2
2015 2015-05-04 1 40 1.5
2015 2015-05-04 1 40 1.1
2015 2015-05-04 1 40 1.6
2015 2015-05-04 1 40 < 1
2015 2015-05-04 1 40 < 1
2014 2014-01-22 1 40 1.7
2014 2014-01-22 1 40 1.7
2014 2014-01-14 1 40 < 1
2014 2014-01-14 1 40 < 1
2014 2014-01-14 1 40 < 1
2013 2013-07-29 1 40 1.7
2013 2013-07-24 1 40 < 1
2013 2013-07-24 1 40 1.8
2013 2013-07-24 1 40 1.5
2013 2013-07-24 1 40 1.6
2013 2013-07-24 1 40 1.8
2013 2013-07-24 1 40 1.1
2013 2013-07-24 1 40 1.5
2013 2013-07-24 1 40 1.6
2013 2013-07-24 1 40 < 1
2013 2013-07-24 1 40 1.6
2013 2013-07-24 1 40 < 1
2013 2013-07-24 1 40 1.1
2013 2013-07-24 1 40 1.7
2013 2013-07-24 1 40 1.6
2013 2013-07-24 1 40 1.1
2013 2013-07-24 1 40 1.6
2013 2013-07-24 1 40 < 1
2013 2013-07-24 1 40 < 1
2013 2013-07-24 1 40 < 1
strontium 0.3 1500 429.4872 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2015 2015-05-04 0.3 1500 610
2015 2015-05-04 0.3 1500 460
2015 2015-05-04 0.3 1500 450
2015 2015-05-04 0.3 1500 430
2015 2015-05-04 0.3 1500 170
2015 2015-05-04 0.3 1500 480
2015 2015-05-04 0.3 1500 600
2015 2015-05-04 0.3 1500 620
2015 2015-05-04 0.3 1500 460
2015 2015-05-04 0.3 1500 350
2015 2015-05-04 0.3 1500 450
2015 2015-05-04 0.3 1500 190
2015 2015-05-04 0.3 1500 830
2015 2015-05-04 0.3 1500 590
2014 2014-01-22 0.3 1500 300
2014 2014-01-22 0.3 1500 310
2014 2014-01-14 0.3 1500 550
2014 2014-01-14 0.3 1500 550
2014 2014-01-14 0.3 1500 580
2013 2013-07-29 0.3 1500 180
2013 2013-07-24 0.3 1500 550
2013 2013-07-24 0.3 1500 190
2013 2013-07-24 0.3 1500 290
2013 2013-07-24 0.3 1500 260
2013 2013-07-24 0.3 1500 190
2013 2013-07-24 0.3 1500 450
2013 2013-07-24 0.3 1500 180
2013 2013-07-24 0.3 1500 280
2013 2013-07-24 0.3 1500 550
2013 2013-07-24 0.3 1500 210
2013 2013-07-24 0.3 1500 540
2013 2013-07-24 0.3 1500 610
2013 2013-07-24 0.3 1500 270
2013 2013-07-24 0.3 1500 350
2013 2013-07-24 0.3 1500 450
2013 2013-07-24 0.3 1500 180
2013 2013-07-24 0.3 1500 770
2013 2013-07-24 0.3 1500 550
2013 2013-07-24 0.3 1500 720
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.03 6.14 < 0.03
2014 2014-01-15 0.03 6.14 < 0.03
2014 2014-01-15 0.03 6.14 < 0.03
2014 2014-01-15 0.03 6.14 < 0.03
2014 2014-01-15 0.03 6.14 < 0.03
2014 2014-01-14 0.03 6.14 < 0.03
2014 2014-01-14 0.03 6.14 < 0.03
2014 2014-01-14 0.03 6.14 < 0.03
2014 2014-01-14 0.03 6.14 < 0.03
2014 2014-01-14 0.03 6.14 < 0.03
2013 2013-07-29 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 0.03 6.14 < 0.03
2013 2013-07-24 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 2014-01-22 0.03 0.0004 < 0.03
2014 2014-01-15 0.03 0.0004 < 0.03
2014 2014-01-15 0.03 0.0004 < 0.03
2014 2014-01-15 0.03 0.0004 < 0.03
2014 2014-01-15 0.03 0.0004 < 0.03
2014 2014-01-14 0.03 0.0004 < 0.03
2014 2014-01-14 0.03 0.0004 < 0.03
2014 2014-01-14 0.03 0.0004 < 0.03
2014 2014-01-14 0.03 0.0004 < 0.03
2014 2014-01-14 0.03 0.0004 < 0.03
2013 2013-07-29 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 0.03 0.0004 < 0.03
2013 2013-07-24 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 2014-01-22 0.1 0.0103 < 0.1
2014 2014-01-15 0.1 0.0103 < 0.1
2014 2014-01-15 0.1 0.0103 < 0.1
2014 2014-01-15 0.1 0.0103 < 0.1
2014 2014-01-15 0.1 0.0103 < 0.1
2014 2014-01-14 0.1 0.0103 < 0.1
2014 2014-01-14 0.1 0.0103 < 0.1
2014 2014-01-14 0.1 0.0103 < 0.1
2014 2014-01-14 0.1 0.0103 < 0.1
2014 2014-01-14 0.1 0.0103 < 0.1
2013 2013-07-29 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
2013 2013-07-24 0.1 0.0103 < 0.1
1,4-dioxane 0.07 0.35 < 0.07 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-15 0.07 0.35 < 0.07
2014 2014-01-15 0.07 0.35 < 0.07
2014 2014-01-15 0.07 0.35 < 0.07
2014 2014-01-15 0.07 0.35 < 0.07
2014 2014-01-14 0.07 0.35 < 0.07
2014 2014-01-14 0.07 0.35 < 0.07
2014 2014-01-14 0.07 0.35 < 0.07
2014 2014-01-14 0.07 0.35 < 0.07
2014 2014-01-14 0.07 0.35 < 0.07
2014 2014-01-14 0.07 0.35 < 0.07
2013 2013-07-29 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
2013 2013-07-24 0.07 0.35 < 0.07
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.2 140 < 0.2
2014 2014-01-15 0.2 140 < 0.2
2014 2014-01-15 0.2 140 < 0.2
2014 2014-01-15 0.2 140 < 0.2
2014 2014-01-15 0.2 140 < 0.2
2014 2014-01-14 0.2 140 < 0.2
2014 2014-01-14 0.2 140 < 0.2
2014 2014-01-14 0.2 140 < 0.2
2014 2014-01-14 0.2 140 < 0.2
2014 2014-01-14 0.2 140 < 0.2
2013 2013-07-29 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
2013 2013-07-24 0.2 140 < 0.2
chloromethane 0.2 2.69 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.2 2.69 < 0.2
2014 2014-01-15 0.2 2.69 < 0.2
2014 2014-01-15 0.2 2.69 < 0.2
2014 2014-01-15 0.2 2.69 < 0.2
2014 2014-01-15 0.2 2.69 < 0.2
2014 2014-01-14 0.2 2.69 < 0.2
2014 2014-01-14 0.2 2.69 < 0.2
2014 2014-01-14 0.2 2.69 < 0.2
2014 2014-01-14 0.2 2.69 < 0.2
2014 2014-01-14 0.2 2.69 < 0.2
2013 2013-07-29 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
2013 2013-07-24 0.2 2.69 < 0.2
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.06 90 < 0.06
2014 2014-01-15 0.06 90 < 0.06
2014 2014-01-15 0.06 90 < 0.06
2014 2014-01-15 0.06 90 < 0.06
2014 2014-01-15 0.06 90 < 0.06
2014 2014-01-14 0.06 90 < 0.06
2014 2014-01-14 0.06 90 < 0.06
2014 2014-01-14 0.06 90 < 0.06
2014 2014-01-14 0.06 90 < 0.06
2014 2014-01-14 0.06 90 < 0.06
2013 2013-07-29 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
2013 2013-07-24 0.06 90 < 0.06
HCFC-22 0.08 0 < 0.08 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.08 0 < 0.08
2014 2014-01-15 0.08 0 < 0.08
2014 2014-01-15 0.08 0 < 0.08
2014 2014-01-15 0.08 0 < 0.08
2014 2014-01-15 0.08 0 < 0.08
2014 2014-01-14 0.08 0 < 0.08
2014 2014-01-14 0.08 0 < 0.08
2014 2014-01-14 0.08 0 < 0.08
2014 2014-01-14 0.08 0 < 0.08
2014 2014-01-14 0.08 0 < 0.08
2013 2013-07-29 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
2013 2013-07-24 0.08 0 < 0.08
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.09 0 < 0.09
2014 2014-01-15 0.09 0 < 0.09
2014 2014-01-15 0.09 0 < 0.09
2014 2014-01-15 0.09 0 < 0.09
2014 2014-01-15 0.09 0 < 0.09
2014 2014-01-14 0.09 0 < 0.09
2014 2014-01-14 0.09 0 < 0.09
2014 2014-01-14 0.09 0 < 0.09
2014 2014-01-14 0.09 0 < 0.09
2014 2014-01-14 0.09 0 < 0.09
2013 2013-07-29 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
2013 2013-07-24 0.09 0 < 0.09
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.01 0 < 0.01
2014 2014-01-15 0.01 0 < 0.01
2014 2014-01-15 0.01 0 < 0.01
2014 2014-01-15 0.01 0 < 0.01
2014 2014-01-15 0.01 0 < 0.01
2014 2014-01-14 0.01 0 < 0.01
2014 2014-01-14 0.01 0 < 0.01
2014 2014-01-14 0.01 0 < 0.01
2014 2014-01-14 0.01 0 < 0.01
2014 2014-01-14 0.01 0 < 0.01
2013 2013-07-29 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
2013 2013-07-24 0.01 0 < 0.01
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.03 0 < 0.03
2014 2014-01-15 0.03 0 < 0.03
2014 2014-01-15 0.03 0 < 0.03
2014 2014-01-15 0.03 0 < 0.03
2014 2014-01-15 0.03 0 < 0.03
2014 2014-01-14 0.03 0 < 0.03
2014 2014-01-14 0.03 0 < 0.03
2014 2014-01-14 0.03 0 < 0.03
2014 2014-01-14 0.03 0 < 0.03
2014 2014-01-14 0.03 0 < 0.03
2013 2013-07-29 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
2013 2013-07-24 0.03 0 < 0.03
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.02 0 < 0.02
2014 2014-01-15 0.02 0 < 0.02
2014 2014-01-15 0.02 0 < 0.02
2014 2014-01-15 0.02 0 < 0.02
2014 2014-01-15 0.02 0 < 0.02
2014 2014-01-14 0.02 0 < 0.02
2014 2014-01-14 0.02 0 < 0.02
2014 2014-01-14 0.02 0 < 0.02
2014 2014-01-14 0.02 0 < 0.02
2014 2014-01-14 0.02 0 < 0.02
2013 2013-07-29 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
2013 2013-07-24 0.02 0 < 0.02
PFOA 0.02 0.07 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.02 0.07 < 0.02
2014 2014-01-15 0.02 0.07 < 0.02
2014 2014-01-15 0.02 0.07 < 0.02
2014 2014-01-15 0.02 0.07 < 0.02
2014 2014-01-15 0.02 0.07 < 0.02
2014 2014-01-14 0.02 0.07 < 0.02
2014 2014-01-14 0.02 0.07 < 0.02
2014 2014-01-14 0.02 0.07 < 0.02
2014 2014-01-14 0.02 0.07 < 0.02
2014 2014-01-14 0.02 0.07 < 0.02
2013 2013-07-29 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
2013 2013-07-24 0.02 0.07 < 0.02
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-01-22 0.04 0.07 < 0.04
2014 2014-01-15 0.04 0.07 < 0.04
2014 2014-01-15 0.04 0.07 < 0.04
2014 2014-01-15 0.04 0.07 < 0.04
2014 2014-01-15 0.04 0.07 < 0.04
2014 2014-01-14 0.04 0.07 < 0.04
2014 2014-01-14 0.04 0.07 < 0.04
2014 2014-01-14 0.04 0.07 < 0.04
2014 2014-01-14 0.04 0.07 < 0.04
2014 2014-01-14 0.04 0.07 < 0.04
2013 2013-07-29 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04
2013 2013-07-24 0.04 0.07 < 0.04

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
CA57765 lead 2015-01-01 2017-12-31 0mg/L
CA41736 lead 2012-01-01 2014-12-31 0.005mg/L
501001811237L lead 2011-01-01 2011-12-31 0.013mg/L
CA55791 lead 2009-01-01 2011-12-31 0mg/L
501001808176L lead 2008-01-01 2008-12-31 0.005mg/L
501001808212L lead 2008-01-01 2008-12-31 0.005mg/L
501001808232L 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
2011-10-01 - 2011-12-31 Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
2011-02-01 - 2011-02-28 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2011-01-01 - 2011-01-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2006-03-01 - 2006-03-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2005-12-01 - 2005-12-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2002-09-01 - 2002-09-30 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
2001-12-01 - 2001-12-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Coliform Rule Monitoring, Routine Minor (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
Castle Analytical Laboratory Atwater, CA 95301
Aqualab Twain Harte, CA 95383
Brelje and Race Laboratories, Inc. Santa Rosa, CA 95404

Water Bill Information


Convenient information about your water service.

Unable to identify any billing information about Riverbank, City Of (CA5010018).

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.