Does Brisbane, CA tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 6 violation(s) across the community water systems serving Brisbane, of which 3 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Brisbane, CA tap water come from?

Brisbane is served by 2 active community water system(s). Their primary sources, per EPA records, are: surface water.

CA / Brisbane

CA · Tap water records

Brisbane tap water, in plain English

Here is what the EPA's own data shows about tap water in Brisbane. According to EPA SDWIS data retrieved June 2026, Brisbane is served by 2 active community water systems, together reported to serve about 4,874 people.

As of June 2026, EPA records show 6 violations across the community water system(s) serving Brisbane, going back to the earliest EPA record. 3 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

2

Community water systems
~4,874

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

City Of Brisbane

3,402 served · surface water · PWSID CA4110002

Health-based Total Haloacetic Acids (HAA5): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 3 times in April 2016. The EPA record lists a level of 0.0615 MG/L; the limit (MCL) is 0.06 MG/L. All have since returned to compliance, per EPA records.

Guadalupe Valley Mid

1,472 served · surface water · PWSID CA4110005

Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in August 2004. All have since returned to compliance, per EPA records.
Monitoring Coliform (TCR): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in September 1999. All have since returned to compliance, per EPA records.

What this means

A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.

This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.

Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.