Fair Water Quality
| Compound | Level | EPA MCL | Health Guideline | Status |
|---|---|---|---|---|
| PFBS | 4.4 ppt | 2000 ppt | 100 ppt | Below limit |
| PFHxA | 4.0 ppt | No standard | 400 ppt | Unregulated |
| PFHxS | 4.0 ppt | 10 ppt | 10 ppt | Below limit |
| PFPeA | 3.4 ppt | No standard | — | Unregulated |
Water Quality Summary
Tap water quality in San Bernardino, California (92407) receives an overall grade of C (Fair) with a score of 67 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 14 points below the California state average of 81. The area is served by 4 water systems providing water to approximately 333,737 people, using surface water and groundwater sources. PFAS testing detected 4 compounds, all currently below EPA limits. The area has 27 violations over the past 5 years, though none were classified as health-based.
A score of 67/100 indicates fair water quality in San Bernardino, CA. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.
Common Questions
Tap water in San Bernardino, California receives a grade of C (Fair) with a score of 67/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.
ZIP code 92407 is served by 4 water systems using surface water, groundwater sources, providing water to approximately 333,737 people. Multiple source types mean your water may come from a blend of surface and underground sources.
No lead data is currently available for ZIP code 92407. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.
4 PFAS compounds were detected in water serving San Bernardino, California, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.
Water systems serving San Bernardino, California have received 27 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.
Based on detected contaminants (PFAS), residents in San Bernardino, California should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.
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