A93/100
Brownsville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,772 residents · California
What's In Brownsville's Tap Water?
27
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 270.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2002.
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
NORTH YUBA WATER DISTRICT
Population Served
2,772
Water Source
Surface Water
System ID
CA5810006
Frequently Asked Questions About Brownsville Water
Is Brownsville tap water safe to drink?
Brownsville, California tap water receives a grade of A (93/100), which is considered excellent. Out of 27 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 2 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 Brownsville's water?
Of the 27 contaminants tested in Brownsville's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Brownsville have any water quality violations?
Yes, Brownsville has 1 EPA violation(s) on record, with the most recent in 2002. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Brownsville?
Brownsville water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 2 contaminant(s) exceed these stricter goals.
Where does Brownsville's tap water come from?
Brownsville's drinking water is sourced from surface water and supplied by NORTH YUBA WATER DISTRICT. The system serves approximately 2,772 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Brownsville'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. Brownsville'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 Brownsville's water compare to other cities in California?
Brownsville's water quality score of 93/100 earns a grade of A, which is considered excellent. This places Brownsville among the better-performing water systems in California. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Brownsville's water quality?
If you have concerns about Brownsville'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 (NORTH YUBA WATER DISTRICT) 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.