San Leandro Water Quality

California

No Violations

According to EPA SDWIS, San Leandro, California is served by 1 community water system covering about 420 people. PlainEnviro's health-based extract shows zero health-based violation records for those systems. Counts are historical EPA registry rows, not a current compliance or drinkability score.

1
Water Systems
420
Population Served
0
Health-Based Violation Records
0
Distinct Contaminant Codes

Drinking water in San Leandro, California is delivered through 1 EPA-regulated community water system serving an estimated 420 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.

PlainEnviro's health-based SDWIS extract shows 0 violation records across the 1 active community system shown here. Monitoring and reporting records are not present in the extract. No contaminant code appears in the health-based records. 3 TRI-reporting industrial facilities are also located within the city limits.

A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. 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
SANTA ROSA MOBILE ESTATES 420 0 Clean

TRI Facilities in San Leandro

Facility Total Releases
Safeway Milk Plant 44.0K lbs
Pcc Structurals-San Leandro 14.7K lbs
Fxi Inc 516 lbs

Frequently Asked Questions

What does EPA SDWIS list for drinking water in San Leandro, California? ▼
San Leandro is listed with 1 EPA-regulated water system covering approximately 420 people. No health-based violation row is present in this historical extract. That does not establish current compliance; contact the local utility for current conditions.
How many water violations does San Leandro have in this EPA extract? ▼
San Leandro water systems have 0 health-based violation records in PlainEnviro's EPA SDWIS extract. This extract is filtered to EPA health-based records and does not include monitoring or reporting violations.
How many water systems serve San Leandro? ▼
1 EPA-regulated community water system serves San Leandro, California, collectively covering approximately 420 people. Data is from the EPA Safe Drinking Water Information System (SDWIS).
Where does San Leandro get its drinking water? ▼
San Leandro's water supply comes from 1 EPA-regulated community water system. 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 San Leandro? ▼
Yes, 3 EPA Toxic Release Inventory (TRI) facilities are registered in San Leandro, California, reporting a combined 59.2K lbs of toxic chemical releases. TRI data reflects self-reported emissions; it does not measure exposure or health effects. Source: EPA TRI.

How does San Leandro compare in California?

Of the 909 California places with at least one community water system on file, San Leandro ranks #829 by number of systems (1).

Either side of it: San Fransisco (1) , San Joaquin (1) , San Lucas (1) , San Miguel (1)

About This Data

Figures here are the current EPA SDWIS extract joined to the 1 community water system whose service area lists San Leandro, ranked against the 909 California places with at least one system on file. Data current as of 2026-08-25.

Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.

A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.

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.

Related

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