Is Sierra Madre, CA Tap Water Safe to Drink?
Sierra Madre, 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 Sierra Madre Get Its Water?
Water in Sierra Madre, CA is provided by 1 public water system: SIERRA MADRE-CITY, WATER DEPT..
How Is Sierra Madre Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes granular activated carbon filtration and groundwater disinfection.
What's in Sierra Madre Tap Water?
The following contaminants were detected most frequently in Sierra Madre 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 | 1 ZIP | 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 Sierra Madre
Current EPA monitoring data for Sierra Madre 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 Sierra Madre Tap Water
Is Sierra Madre tap water safe to drink?
Sierra Madre 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 Sierra Madre tap water?
The most commonly detected contaminants in Sierra Madre water systems include: lithium, PFTrDA, 6:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Sierra Madre get its drinking water?
Sierra Madre receives water from one public water system, including SIERRA MADRE-CITY, WATER DEPT..
Do I need a water filter in Sierra Madre?
Current data does not show guideline exceedances in Sierra Madre. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Sierra Madre tap water tested?
Public water systems in Sierra Madre 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 2025-01-21.
Tap water reports by ZIP in Sierra Madre
- 91024 - Sierra Madre tap water report Some concern
Water utilities serving Sierra Madre, 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.
- SIERRA MADRE-CITY, WATER DEPT.Some concern
Also covers / overlaps with
- South Antelope Valley CCD, CA · Township
- Upper San Gabriel Valley CCD, CA · Township