Palmdale, CA: 1 Health Violation - Home Safety 70/100
6 ZIP codes · 11 water systems · Updated
ZipCheckup grade for Palmdale: B.
This ZIP looks solid, with a few items worth a quick check.
How does Palmdale tap water hold up under EPA scrutiny? Above average for CA - documented violations are uncommon and the safety grade reflects a clean overall record.
How Palmdale Compares
Data: EPA SDWIS
Key Facts for Palmdale Residents
- Your city's water systems recorded 13 violations in the past 5 years.
- Average lead level: 0.0022 mg/L.
- Homes built before 1986: 47% - older plumbing may contain lead solder.
- Estimated remediation: $1,567 per household.
- CDC health risk index: 10.71.
Palmdale's Water Providers
Federal drinking water records identify 11 systems in Palmdale, CA. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations - so service conditions are not uniform city-wide.
- B
- B
- B
Overview
We track home safety data for 6 ZIP codes in Palmdale, California (population ~186,319), covering 11 community water systems serving approximately 375,901 people region-wide. The EPA snapshots used for this build directly map water systems to 4 of 6 ZIP codes.
2 of 4 ZIP codes with a reported violation count in the available EPA record (50%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Palmdale: B (70/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Palmdale water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0022 mg/L (EPA action level: 0.015 mg/L)
- 0 of 4 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 6 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead | Inorganic | 10 | 2 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | 2 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 3 | 2 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
| Contaminant 0800 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 93551 | B | 8 | 1 | Los Angeles Cwwd 40 Reg 4 & 34 Lancaster |
| 93552 | B | 5 | 0 | Palmdale Water District |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 93550 | C | Palmdale Water District | 126,804 |
| 93591 | B | Los Angeles Cwwd 40, Reg. 38-lake La | 12,568 |
All ZIP Codes in Palmdale
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Palmdale Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Palmdale's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Palmdale Infrastructure Age
With 47% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Prohibited from residential plumbing since 1986, lead solder divides Palmdale's housing stock along a timeline that the median build year of 1991 straddles. A meaningful share of homes predates the ban - a configuration that places moderate aggregate pressure on plumbing-related lead risk, distributed unevenly across neighborhoods.
Most homes in Palmdale were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Palmdale
In Palmdale, property values comfortably outpace what documented remediation typically costs - the equity share is proportionally low.
Remediation costs in Palmdale are relatively low compared to home values. The $767–$2,517 estimated range is a small fraction of median property value. Home values are 44% below the California average.
Palmdale: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Practically, the structural drivers in Palmdale - 47% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark - make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Palmdale: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Palmdale contains 30 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $26,921. Among ZIP codes with claim records, 50% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,567</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Palmdale, CA