ZipCheckup grade for 93551: B.
This ZIP has a few items worth a quick check.
Your top priority: use a filter certified to reduce PFAS; check which ones. Check your ZIP → EPA PFAS info
Palmdale, CA (93551): PFAS Detected in Mapped Water Systems - 72/100
EPA data combined for 13 water systems mapped to this ZIP (largest mapped system: Los Angeles Cwwd 40 Reg 4 & 34 Lancaster)
Health-based violation records by water system:
- CA1900146 (1)
EPA records for the water systems mapped to 93551 in Palmdale, CA contain 8 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 7 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.0018 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 13 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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High-priority alerts for 93551 in Palmdale total 1, with zero critical-level findings documented.
Score Breakdown
Overall Home Safety Score: 72/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 93551 in Palmdale, California is mapped to the water system Los Angeles Cwwd 40 Reg 4 & 34 Lancaster (EPA ID: CA1910070). This system provides water to approximately 208,129 people from surface water sources.
There are 13 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Los Angeles Cwwd 40 Reg 4 & 34 Lancaster | CA1910070 | 208,129 | Surface water |
| Palmdale Water District | CA1910102 | 126,804 | Surface water |
| White Fence Farms Mwc No. 1 | CA1910249 | 1,518 | Surface water |
| White Fence Farms Mwc No.3 | CA1900523 | 749 | Surface water |
| Palm Ranch Irrigation District | CA1910103 | 5,507 | Surface water |
Other Water Quality Reports in California
- 90001 (Los Angeles)
- 90002 (Los Angeles)
- 90003 (Los Angeles)
- 90004 (Los Angeles)
- 90005 (Los Angeles)
- 90006 (Los Angeles)
- 90007 (Los Angeles)
- 90008 (Los Angeles)
- 90009 (Los Angeles)
- 90010 (Los Angeles)
- 90011 (Los Angeles)
- 90012 (Los Angeles)
- 90013 (Los Angeles)
- 90014 (Los Angeles)
- 90015 (Los Angeles)
- 90016 (Los Angeles)
- 90017 (Los Angeles)
- 90018 (Los Angeles)
- 90019 (Los Angeles)
- 90020 (Los Angeles)
Nearby Water Quality Reports
- 93590 (Palmdale) - 7 mi
- 93599 (Palmdale) - 7 mi
- 93534 (Lancaster) - 8 mi - 29 violations recorded for mapped water systems
- 93510 (Acton) - 8 mi
- 93539 (Lancaster) - 9 mi
- 93584 (Lancaster) - 9 mi
- 93586 (Lancaster) - 9 mi
- 93552 (Palmdale) - 12 mi - 5 violations recorded for mapped water systems
- 93536 (Lancaster) - 13 mi - 25 violations recorded for mapped water systems
- 93550 (Palmdale) - 15 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Los Angeles Cwwd 40 Reg 4 & 34 Lancaster (CA1910070) on EPA.gov.
3 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 93551.
Detected compounds: PFHxA, PFPeA, PFBS.
Highest measured level: 0.0063 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) CRITICAL
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Palmdale
Based on local data for ZIP 93551, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Palmdale has 13 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Roofing Inspection & Repair
Active weather alerts in California increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 93551 safe to drink?
EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 93551 (primary system: Los Angeles Cwwd 40 Reg 4 & 34 Lancaster), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 93551's water come from?
The recorded water source for Los Angeles Cwwd 40 Reg 4 & 34 Lancaster, a system mapped to ZIP code 93551, is Surface water. This system serves approximately 208,129 people.
How does Palmdale water compare to the national average?
Palmdale's Home Safety Score ranks lower than 53% of U.S. ZIP codes, and lower than 72% of ZIP codes within California.
How can I get my water tested in Palmdale?
If Los Angeles Cwwd 40 Reg 4 & 34 Lancaster supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 93551 tap water?
The Lead and Copper Rule record selected for 93551 reports a 90th-percentile lead result of 0.0018 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 93551?
93551 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Los Angeles County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 93551's water?
Yes, PFAS have been detected in samples from water systems mapped to 93551. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 93551?
FEMA records contain 13 flood insurance claims filed in ZIP code 93551; the recorded rated-zone value (the most frequent one if there are several claims) is C, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Palmdale, CA (93551): PFAS Detected in Mapped Water Systems - 72/100. https://zipcheckup.com/report/93551/
@misc{zipcheckup-report-93551,
author = {{ZipCheckup}},
title = {{Palmdale, CA (93551): PFAS Detected in Mapped Water Systems - 72/100}},
year = {2026},
url = {https://zipcheckup.com/report/93551/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 93551
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 93590 | Palmdale, CA | 6.7 mi | N/A | 0 |
| 93599 | Palmdale, CA | 6.7 mi | N/A | 0 |
| 93534 | Lancaster, CA | 7.7 mi | B | 29 |
| 93510 | Acton, CA | 8.4 mi | B | 0 |
| 93539 | Lancaster, CA | 8.5 mi | N/A | 0 |
| 93584 | Lancaster, CA | 8.5 mi | N/A | 0 |
| 93586 | Lancaster, CA | 8.5 mi | N/A | 0 |
| 93552 | Palmdale, CA | 12.0 mi | B | 5 |
| 93536 | Lancaster, CA | 12.7 mi | B | 25 |
| 93550 | Palmdale, CA | 15.2 mi | C | 0 |
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