Is Newark, CA Tap Water Safe to Drink?
Newark, 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 Newark Get Its Water?
Water in Newark, CA is provided by 2 public water systems: ALAMEDA COUNTY WATER DISTRICT and SAN FRANCISCO REGIONAL WATER SYSTEM.
How Is Newark Tap Water Treated?
Treated water is disinfected using calcium hypochlorite and free chlorine and ozone. Treatment includes conventional treatment (coagulation, flocculation, and filtration), groundwater disinfection and membrane filtration.
What's in Newark Tap Water?
The following contaminants were detected most frequently in Newark 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 |
| 8:2 FTS | 0.005 µg/L | 0.005 µg/L | 1 ZIP | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Newark
Current EPA monitoring data for Newark 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 Newark Tap Water
Is Newark tap water safe to drink?
Newark 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 Newark tap water?
The most commonly detected contaminants in Newark water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Newark get its drinking water?
Newark receives water from 2 public water systems, including ALAMEDA COUNTY WATER DISTRICT.
Do I need a water filter in Newark?
Current data does not show guideline exceedances in Newark. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Newark tap water tested?
Public water systems in Newark 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 2024-10-22.
Tap water reports by ZIP in Newark
- 94560 - Newark tap water report Some concern
Water utilities serving Newark, 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.
- ALAMEDA COUNTY WATER DISTRICTSome concern
Also covers / overlaps with
- Fremont, CA
- Fremont CCD, CA · Township