Is Vallejo, CA Tap Water Safe to Drink?
Vallejo, 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 Vallejo Get Its Water?
Water in Vallejo, CA is provided by 1 public water system: CITY OF VALLEJO.
How Is Vallejo Tap Water Treated?
Treated water is disinfected using free chlorine and ozone. Treatment includes conventional treatment (coagulation, flocculation, and filtration), granular activated carbon filtration and post-ozone biofiltration.
What's in Vallejo Tap Water?
The following contaminants were detected most frequently in Vallejo 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 | 3 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Vallejo
Current EPA monitoring data for Vallejo 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 Vallejo Tap Water
Is Vallejo tap water safe to drink?
Vallejo 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 Vallejo tap water?
The most commonly detected contaminants in Vallejo water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Vallejo get its drinking water?
Vallejo receives water from one public water system, including CITY OF VALLEJO.
Do I need a water filter in Vallejo?
Current data does not show guideline exceedances in Vallejo. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Vallejo tap water tested?
Public water systems in Vallejo 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 2024-12-16.
Tap water reports by ZIP in Vallejo
- 94589 - Chabot Terrace, Vallejo tap water report Some concern
- 94590 - Harry Floyd Terrace, Vallejo tap water report Some concern
- 94591 - Glencove, Vallejo tap water report Some concern
Water utilities serving Vallejo, 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.
- AMERICAN CANYON, CITY OFSome concern
- CITY OF VALLEJOSome concern
- CITY OF VALLEJO-LAKES SYSTEMLooks OK
Also covers / overlaps with
- Vallejo CCD, CA · Township
- Fairfield-Suisun City CCD, CA · Township