Is Fontana, CA Tap Water Safe to Drink?
Fontana, CA tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does Fontana Get Its Water?
Water in Fontana, CA is provided by 3 public water systems: SAN GABRIEL VALLEY WC - FONTANA, CUCAMONGA VALLEY WATER DISTRICT and WEST VALLEY WATER DISTRICT.
How Is Fontana Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration), granular activated carbon filtration, groundwater disinfection and ion exchange.
What's in Fontana Tap Water?
The following contaminants were detected most frequently in Fontana public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | 0.005 µg/L | 3 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Fontana
Current EPA monitoring data for Fontana shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Fontana Tap Water
Is Fontana tap water safe to drink?
Fontana tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in Fontana tap water?
The most commonly detected contaminants in Fontana water systems include: lithium, PFTrDA, 6:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Fontana get its drinking water?
Fontana receives water from 3 public water systems, including SAN GABRIEL VALLEY WC - FONTANA.
Do I need a water filter in Fontana?
Current data does not show guideline exceedances in Fontana. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Fontana tap water tested?
Public water systems in Fontana are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2024-03-13.
Tap water reports by ZIP in Fontana
- 92335 - Declez, Fontana tap water report Some concern
- 92336 - Walnut Ridge, Fontana tap water report Some concern
- 92337 - Declezville, Fontana tap water report Some concern
Water utilities serving Fontana, CA
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- SAN GABRIEL VALLEY WC - FONTANASome concern
Also covers / overlaps with
- San Bernardino CCD, CA · Township
- Ontario CCD, CA · Township