Hillsborough Water Dept. 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: CA4110016
Type: Community water system
EPA Region: 09
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 11,260 		Contact Information
WILLIS, PAUL
WILLIS, PAUL
1600 FLORIBUNDA AVENUE
HILLSBOROUGH, CA 94010
[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).

1-butanol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 2 0.00 < 2
2018 2018-03-19 2 0.00 < 2

2-methoxyethanol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.4 0.00 < 0.4
2018 2018-03-19 0.4 0.00 < 0.4

2-propen-1-ol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.5 0.00 < 0.5
2018 2018-03-19 0.5 0.00 < 0.5

germanium

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.3 0.00 < 0.3
2018 2018-03-19 0.3 0.00 < 0.3

manganese

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.4 0.00 2.66
2018 2018-03-19 0.4 0.00 < 0.4

alpha-hexachlorocyclohexane

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.01 0.00 < 0.01

butylated hydroxyanisole

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.03 0.00 < 0.03

chlorpyrifos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.03 0.00 < 0.03

dimethipin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.2 0.00 < 0.2

ethoprop

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.03 0.00 < 0.03

o-toluidine

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.007 0.00 < 0.007

oxyfluorfen

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.05 0.00 < 0.05

profenofos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.3 0.00 < 0.3

quinoline

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.02 0.00 < 0.02

tebuconazole

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.2 0.00 < 0.2

total permethrin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.04 0.00 < 0.04

tribufos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-06-20 0.07 0.00 < 0.07

total microcystin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-07-11 0.3 0.00 < 0.3

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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
chlorate 20 210 96 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 20 210 160
2013 2013-11-18 20 210 150
2013 2013-08-07 20 210 120
2013 2013-08-07 20 210 110
2013 2013-05-08 20 210 49
2013 2013-05-08 20 210 50
2013 2013-02-26 20 210 67
2013 2013-02-26 20 210 62
[+] Expand Test Data
chromium 0.2 100 0.0275 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 0.2 100 < 0.2
2013 2013-11-18 0.2 100 < 0.2
2013 2013-08-15 0.2 100 < 0.2
2013 2013-08-07 0.2 100 < 0.2
2013 2013-05-08 0.2 100 0.22
2013 2013-05-08 0.2 100 < 0.2
2013 2013-02-26 0.2 100 < 0.2
2013 2013-02-26 0.2 100 < 0.2
[+] Expand Test Data
chromium-6 0.03 0 0.0541 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 0.03 0 < 0.03
2013 2013-11-18 0.03 0 0.04
2013 2013-08-07 0.03 0 0.082
2013 2013-08-07 0.03 0 0.074
2013 2013-05-08 0.03 0 0.037
2013 2013-05-08 0.03 0 < 0.03
2013 2013-02-26 0.03 0 0.13
2013 2013-02-26 0.03 0 0.07
[+] Expand Test Data
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 1 70 < 1
2013 2013-11-18 1 70 < 1
2013 2013-08-15 1 70 < 1
2013 2013-08-07 1 70 < 1
2013 2013-05-08 1 70 < 1
2013 2013-05-08 1 70 < 1
2013 2013-02-26 1 70 < 1
2013 2013-02-26 1 70 < 1
[+] Expand Test Data
molybdenum 1 40 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 1 40 < 1
2013 2013-11-18 1 40 < 1
2013 2013-08-15 1 40 < 1
2013 2013-08-07 1 40 < 1
2013 2013-05-08 1 40 < 1
2013 2013-05-08 1 40 < 1
2013 2013-02-26 1 40 < 1
2013 2013-02-26 1 40 < 1
[+] Expand Test Data
strontium 0.3 1500 64.5 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 0.3 1500 46
2013 2013-11-18 0.3 1500 57
2013 2013-08-15 0.3 1500 17
2013 2013-08-07 0.3 1500 14
2013 2013-05-08 0.3 1500 23
2013 2013-05-08 0.3 1500 19
2013 2013-02-26 0.3 1500 180
2013 2013-02-26 0.3 1500 160
[+] Expand Test Data
vanadium 0.2 21 0.1763 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 0.2 21 0.3
2013 2013-11-18 0.2 21 0.3
2013 2013-08-15 0.2 21 < 0.2
2013 2013-08-07 0.2 21 < 0.2
2013 2013-05-08 0.2 21 < 0.2
2013 2013-05-08 0.2 21 < 0.2
2013 2013-02-26 0.2 21 0.36
2013 2013-02-26 0.2 21 0.45
[+] Expand Test Data
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 0.03 6.14 < 0.03
2013 2013-08-07 0.03 6.14 < 0.03
2013 2013-05-08 0.03 6.14 < 0.03
2013 2013-02-26 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
2013 2013-11-18 0.03 0.0004 < 0.03
2013 2013-08-07 0.03 0.0004 < 0.03
2013 2013-05-08 0.03 0.0004 < 0.03
2013 2013-02-26 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 2013-11-18 0.1 0.0103 < 0.1
2013 2013-08-07 0.1 0.0103 < 0.1
2013 2013-05-08 0.1 0.0103 < 0.1
2013 2013-02-26 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
2013 2013-11-18 0.07 0.35 < 0.07
2013 2013-08-07 0.07 0.35 < 0.07
2013 2013-05-08 0.07 0.35 < 0.07
2013 2013-02-26 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
2013 2013-11-18 0.2 140 < 0.2
2013 2013-08-07 0.2 140 < 0.2
2013 2013-05-08 0.2 140 < 0.2
2013 2013-02-26 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 2013-11-18 0.2 2.69 < 0.2
2013 2013-08-07 0.2 2.69 < 0.2
2013 2013-05-08 0.2 2.69 < 0.2
2013 2013-02-26 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 2013-11-18 0.06 90 < 0.06
2013 2013-08-07 0.06 90 < 0.06
2013 2013-05-08 0.06 90 < 0.06
2013 2013-02-26 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
2013 2013-11-18 0.08 0 < 0.08
2013 2013-08-07 0.08 0 < 0.08
2013 2013-05-08 0.08 0 < 0.08
2013 2013-02-26 0.08 0 < 0.08
[+] Expand Test Data
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-18 0.09 0 < 0.09
2013 2013-08-07 0.09 0 < 0.09
2013 2013-06-12 0.09 0 < 0.09
2013 2013-02-26 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 2013-11-18 0.01 0 < 0.01
2013 2013-08-07 0.01 0 < 0.01
2013 2013-06-12 0.01 0 < 0.01
2013 2013-02-26 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 2013-11-18 0.03 0 < 0.03
2013 2013-08-07 0.03 0 < 0.03
2013 2013-06-12 0.03 0 < 0.03
2013 2013-02-26 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 2013-11-18 0.02 0 < 0.02
2013 2013-08-07 0.02 0 < 0.02
2013 2013-06-12 0.02 0 < 0.02
2013 2013-02-26 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 2013-11-18 0.02 0.07 < 0.02
2013 2013-08-07 0.02 0.07 < 0.02
2013 2013-06-12 0.02 0.07 < 0.02
2013 2013-02-26 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 2013-11-18 0.04 0.07 < 0.04
2013 2013-08-07 0.04 0.07 < 0.04
2013 2013-06-12 0.04 0.07 < 0.04
2013 2013-02-26 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
CA53855 lead 2014-01-01 2016-12-31 0.0058mg/L
CA38920 lead 2011-01-01 2013-12-31 0.0104mg/L
411001610258L lead 2010-01-01 2010-12-31 0.00841mg/L
411001609210LA1 lead 2009-01-01 2009-12-31 0.0178mg/L
411001609231L6 lead 2009-01-01 2009-12-31 0.006mg/L
411001609260L1ST 6 lead 2009-01-01 2009-12-31 0.0068mg/L
411001609288L2ND 6 lead 2009-01-01 2009-12-31 0.016mg/L
411001608269LT1 lead 2008-01-01 2008-12-31 0.00461mg/L

Violations

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

Compliance Dates Rule Violation Type Contaminant Name Status
2014-05-01 - 2014-05-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Known

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 Hillsborough Water Dept. (CA4110016).

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.