Pasadena-city, Water Dept. Water System'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: CA1910124
Type: Community water system
EPA Region: 09
Primary Source: Surface water purchased
Population Served: 162,176
Contact Information
[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.

We couldn't find any records of contaminants exceeding the regulated limits in your water.

Other Water Contaminants Tested

The following contaminants were tested and found to be within national EPA guidelines.

We couldn't find any records of contaminants in your water.

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
CA58342 lead 2015-01-01 2017-12-31 0mg/L
CA44322 lead 2012-01-01 2014-12-31 0.0017mg/L
191012411214LT4 lead 2011-01-01 2011-12-31 0.0019mg/L
191012408191L lead 2008-01-01 2008-12-31 0.002mg/L
191012408191LT3 lead 2008-01-01 2008-12-31 0.002mg/L


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, Average Nitrate Returned to Compliance
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
- N/A Nitrates Monitoring, Check/Repeat/Confirmation Nitrate Returned to Compliance
- 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
Eurofins Eaton Analytical, LLC Monrovia, CA 91016
Eurofins Eaton Analytical, LLC. Monrovia, CA 91016
Eurofins Eaton Analytical Monrovia, CA 91016

Water Bill Information

Convenient information about your water service.

Unable to identify any billing information about Pasadena-city, Water Dept. (CA1910124).

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.


The origin of'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.