Is Oakdale, CA Tap Water Safe to Drink?
Oakdale, 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 Oakdale Get Its Water?
Water in Oakdale, CA is provided by 2 public water systems: OAKDALE, CITY OF and MID VALLEY AG.
How Is Oakdale Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes direct filtration.
What's in Oakdale Tap Water?
The following contaminants were detected most frequently in Oakdale 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 | 0.007 µg/L | 1 ZIP | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Oakdale
Current EPA monitoring data for Oakdale 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 Oakdale Tap Water
Is Oakdale tap water safe to drink?
Oakdale 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 Oakdale tap water?
The most commonly detected contaminants in Oakdale water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Oakdale get its drinking water?
Oakdale receives water from 2 public water systems, including OAKDALE, CITY OF.
Do I need a water filter in Oakdale?
Current data does not show guideline exceedances in Oakdale. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Oakdale tap water tested?
Public water systems in Oakdale 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 2025-08-20.
Tap water reports by ZIP in Oakdale
- 95361 - Oakdale tap water report Some concern
Water utilities serving Oakdale, 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.
- OAKDALE, CITY OFLooks OK
Also covers / overlaps with
- East Oakdale, CA · CDP
- Oakdale CCD, CA · Township
- Orange Blossom, CA · CDP
- Valley Home, CA · CDP
- Waterford CCD, CA · Township