Brownsville, CA Water Safety: 83/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Tap water monitoring data for Brownsville shows a consistently clean picture in CA — few violations on record, compliance well above the median.
How Brownsville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Brownsville Residents
- Average lead level: 0.0024 mg/L.
- Homes built before 1986: 80% — older plumbing may contain lead solder.
- Estimated remediation: $400 per household.
- CDC health risk index: 11.95.
Brownsville's Water Providers
While 1 water system appear in federal records for Brownsville, CA, one provider supplies the majority of residential connections — making it the central point of infrastructure and compliance accountability for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Brownsville, California (population ~1,110), covering 1 community water system serving approximately 2,772 people region-wide.
No EPA violations recorded across any ZIP codes in Brownsville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Brownsville: B (83/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Brownsville water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0024 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 95919 | B | North Yuba Water District | 2,772 |
All ZIP Codes in Brownsville
- 95919 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Brownsville Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Brownsville Infrastructure Age
With 80% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Pre-1986 plumbing is not a rare legacy case in Brownsville — it's the dominant profile. The median build year of 1974 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.
Over half of homes in Brownsville were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Brownsville
Given current Brownsville valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Brownsville are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 53% below the California average.
Brownsville: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
80% — that captures the slice of Brownsville housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Brownsville, CA