B73/100
Brisbane Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,874 residents · California
What's In Brisbane's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
CITY OF BRISBANE
Population Served
3,402
Water Source
Purchased Surface Water
System ID
CA4110002
GUADALUPE VALLEY MID
Population Served
1,472
Water Source
Purchased Surface Water
System ID
CA4110005
Frequently Asked Questions About Brisbane Water
Is Brisbane tap water safe to drink?
Brisbane, California tap water receives a grade of B (73/100), which is considered good. Out of 31 contaminants tested, 2 exceed EPA maximum contaminant levels (MCLs) and 3 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Brisbane's water?
Of the 31 contaminants tested in Brisbane's water supply, the most notable include PFOA, PFOS, Lead (90th percentile). 2 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Brisbane have any water quality violations?
Yes, Brisbane has 15 EPA violation(s) on record, with the most recent in 2016. Violation types include MCL, MR, Other. 5 of these are health-based violations, which are the most serious category.
Do I need a water filter in Brisbane?
Based on EPA data, using a water filter in Brisbane is recommended. 2 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Brisbane's tap water come from?
Brisbane's drinking water is sourced from purchased surface water and supplied by CITY OF BRISBANE and 1 other water system(s). The system serves approximately 4,874 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Brisbane's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Brisbane's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Brisbane's water compare to other cities in California?
Brisbane's water quality score of 73/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Brisbane's water quality?
If you have concerns about Brisbane's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CITY OF BRISBANE) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.