PlainEnviro

Downey Water Quality

California

Health Violations

The tap water in Downey, California is served by 9 EPA-regulated water systems covering approximately 311,053 people. 28 health-based violations are on record, most recently for 8000 in 2018. Data source: EPA Safe Drinking Water Information System.

9
Water Systems
311,053
Population Served
28
Total Violations
28
Health-Based Violations

Drinking water in Downey, California is delivered through 9 EPA-regulated community water systems serving an estimated 311,053 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.

The SDWIS record for Downey shows 28 total violations across all 9 systems, of which 28 are health-based, meaning either a Maximum Contaminant Level (MCL) was exceeded or a required treatment technique was not followed. Contaminants cited in health-based violations include 8000, 3100. 3 TRI-reporting industrial facilities are also located within the city limits.

A past EPA violation does not mean the water is currently unsafe, utilities are required to notify customers and remediate under state primacy oversight. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the California drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.

Community Water Systems

System Name Pop. Served Violations Status
DOWNEY - CITY, WATER DEPT. 108,816 4 Health
LIBERTY UTILITIES - BELLFLOWER-NORWALK 72,624 0 Clean
LIBERTY UTILITIES (AV RANCHOS) CORP. 64,469 0 Clean
LIBERTY UTILITIES - COMPTON 26,371 0 Clean
LIBERTY UTILITIES - LYNWOOD 24,701 0 Clean
CITY OF BELL GARDENS 11,437 0 Clean
LIBERTY UTILITIES - MESA CREST 1,619 0 Clean
LIBERTY -YERMO 861 24 Health
LIBERTY-BELLVIEW HEIGHTS 155 0 Clean

Does this city have health-based water violations?

Health-based violations indicate contaminant levels that exceeded EPA maximum contaminant levels (MCLs). This does not necessarily mean water is currently unsafe.

Contaminant Begin Date
8000 2018-02-01
8000 2018-02-01
8000 2018-02-01
8000 2018-02-01
3100 2013-08-01
3100 2013-08-01
3100 2013-08-01
3100 2012-10-01
3100 2012-10-01
3100 2012-10-01
3100 2008-05-01
3100 2008-05-01
3100 2008-05-01
3100 2007-02-01
3100 2007-02-01
3100 2007-02-01
3100 2001-02-01
3100 2001-02-01
3100 2001-02-01
3100 1999-09-01
3100 1999-09-01
3100 1999-09-01
3100 1997-07-01
3100 1997-07-01
3100 1997-07-01
3100 1997-03-01
3100 1997-03-01
3100 1997-03-01

TRI Facilities in Downey

Facility Total Releases
K F Fiberglass Inc 51.5K lbs
Rockview Dairies Inc 14.0K lbs
Tri-Star Industrial Products 0 lbs

Frequently Asked Questions

Is Downey, California water safe to drink? ▼
Downey is served by 9 EPA-regulated water systems covering approximately 311,053 people. 28 health-based violations have been recorded. A past violation does not necessarily mean water is currently unsafe, systems are required to notify customers and resolve issues. Contact your local water utility for current status.
How many water violations does Downey have? ▼
Downey water systems have a total of 28 violations on record in the EPA Safe Drinking Water Information System, of which 28 are health-based (MCL exceedances). The remaining violations are monitoring or reporting violations.
What contaminants were found in Downey water? ▼
Health-based violations for Downey water systems include the following contaminants: 8000, 3100. Source: EPA Safe Drinking Water Information System (SDWIS).
How many water systems serve Downey? ▼
9 EPA-regulated community water systems serve Downey, California, collectively covering approximately 311,053 people. Data is from the EPA Safe Drinking Water Information System (SDWIS).
Where does Downey get its drinking water? ▼
Downey's water supply comes from 9 EPA-regulated community water systems. Source type data is not available for all systems. For detailed supply information, contact your local water utility. Source: EPA SDWIS.
Are there pollution sources near Downey? ▼
Yes, 3 EPA Toxic Release Inventory (TRI) facilities are registered in Downey, California, reporting a combined 65.5K lbs of toxic chemical releases. TRI data reflects self-reported emissions; it does not measure exposure or health effects. Source: EPA TRI.

Related Guides

Understanding Water Quality Violations
What MCL violations mean and how to read EPA data
How to Check Environmental Quality
Step-by-step guide to checking your local environment
Understanding EPA Data
How EPA collects and publishes environmental data

About This Data

Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). Violations are reported by state agencies to EPA and include both health-based (MCL exceedances) and monitoring/reporting violations.

A reported violation does not necessarily mean water is currently unsafe to drink. Many violations are resolved quickly, and public water systems are required to notify customers of significant issues. For current water quality, contact your local water utility.

TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro Editorial