Oak Hills
CA · CDP

Is Oak Hills, CA Tap Water Safe to Drink?

Oak Hills, 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.

1Water system
1ZIP codes
0%ZIPs above EPA guideline
Metro areaRiverside-San Bernardino-Ontario, CA
Latest data2024-08-27

Where Does Oak Hills Get Its Water?

Water in Oak Hills, CA is provided by 1 public water system: SBNDO COUNTY SERVICE AREA 70J.

How Is Oak Hills Tap Water Treated?

Treated water is disinfected using free chlorine. Treatment includes groundwater disinfection.

What's in Oak Hills Tap Water?

The following contaminants were detected most frequently in Oak Hills public water systems. All detected levels fall at or below EPA health guidelines in this dataset.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 9 µg/L 0 ZIPs Within guideline
PFTrDA 0.007 µg/L 0.007 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
11Cl-PF3OUdS 0.005 µg/L 0 ZIPs Within guideline

Health Risk Profile for Oak Hills

Current EPA monitoring data for Oak Hills 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.

Under-sink RO system

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 Oak Hills Tap Water

Is Oak Hills tap water safe to drink?

Oak Hills 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 Oak Hills tap water?

The most commonly detected contaminants in Oak Hills water systems include: lithium, PFTrDA, 6:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Oak Hills get its drinking water?

Oak Hills receives water from one public water system, including SBNDO COUNTY SERVICE AREA 70J.

Do I need a water filter in Oak Hills?

Current data does not show guideline exceedances in Oak Hills. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.

How often is Oak Hills tap water tested?

Public water systems in Oak Hills 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 2024-08-27.

Tap water reports by ZIP in Oak Hills

Water utilities serving Oak Hills, 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.

Modeled boundaries are shown with a dashed outline.

Also covers / overlaps with