Is Palmdale, CA Tap Water Safe to Drink?
Palmdale tap water meets federal Safe Drinking Water Act standards but 2 of 4 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.
Where Does Palmdale Get Its Water?
Water in Palmdale, CA is provided by 6 public water systems: PALMDALE WATER DIST., QUARTZ HILL WATER DIST., LITTLEROCK CREEK IRRIGATION DIST., LOS ANGELES CWWD 40, REG. 38-LAKE LA, NORTHROP GRUMMAN CORP. and PALM RANCH IRRIGATION DIST..
How Is Palmdale Tap Water Treated?
Treated water is disinfected using chloramines and free chlorine and ozone. Treatment includes conventional treatment (coagulation, flocculation, and filtration), direct filtration, granular activated carbon filtration, groundwater disinfection and ion exchange.
What's in Palmdale Tap Water?
The following contaminants were detected most frequently in Palmdale public water systems. 2 of 4 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 28.1 µg/L | 10 µg/L | 1 ZIP | Above guideline |
| PFBS | 0.0647 µg/L | 0.003 µg/L | 1 ZIP | Above 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 |
Health Risk Profile for Palmdale
Based on EPA monitoring data, 2 of 4 ZIP codes in Palmdale have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
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 Palmdale Tap Water
Is Palmdale tap water safe to drink?
Palmdale tap water meets Safe Drinking Water Act requirements but 2 of 4 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in Palmdale tap water?
The most commonly detected contaminants in Palmdale water systems include: lithium, PFBS, PFTrDA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Palmdale get its drinking water?
Palmdale receives water from 6 public water systems, including PALMDALE WATER DIST..
Do I need a water filter in Palmdale?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is Palmdale tap water tested?
Public water systems in Palmdale 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 2025-09-09.
Tap water reports by ZIP in Palmdale
- 93550 - San Fernando Valley CCD, Palmdale tap water report Higher concern
- 93551 - Leona Valley, Palmdale tap water report Higher concern
- 93552 - North Antelope Valley CCD, Palmdale tap water report Some concern
- 93591 - Lake Los Angeles, Palmdale tap water report Some concern
Water utilities serving Palmdale, 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.
- LOS ANGELES CWWD 40,REG 4 & 34-LANCASTERAction advised
- NORTHROP GRUMMAN CORP.Action advised
- PALMDALE WATER DIST.Action advised
- LOS ANGELES CWWD 40, REG. 38-LAKE LALooks OK
- ANTELOPE VALLEY EAST KERN WATER AGENCYNo recent federal sampling
Also covers / overlaps with
- South Antelope Valley CCD, CA · Township
- North Antelope Valley CCD, CA · Township
- Acton, CA · CDP
- Lake Los Angeles, CA · CDP
- Leona Valley, CA · CDP
- San Fernando Valley CCD, CA · Township
- Sun Village, CA · CDP