Joshua Tree, CA: 1 Violation - Home Safety 74/100
1 ZIP code · 5 water systems · Updated
ZipCheckup grade for Joshua Tree: B.
This ZIP has a few items worth a quick check.
Looking at federal compliance records for Joshua Tree, CA: the city earns a grade in the top two bands here, and each serving system's violation history can be reviewed individually for what lies behind it.
How Joshua Tree Compares
Data: EPA SDWIS
Joshua Tree Water: The Quick Version
- Water systems mapped to your city have 1 violation on record since 2021.
- Average of reported 90th-percentile lead results: 0.011 mg/L.
- Homes built before 1986: 71% - older plumbing may contain lead solder.
- Health risk index (ZipCheckup composite of CDC data): 11.58.
Water Systems Serving Joshua Tree
When a city is linked to 5 water systems, as Joshua Tree, CA is in federal records, water in one neighborhood may come from a different system than in another. The 3 systems with the largest reported populations are shown below, and their compliance records are kept separately, so a violation logged for one does not describe the others.
- B
- B
- B
Overview
We track home safety data for 1 ZIP code in Joshua Tree, California (population ~7,916), covering 5 community water systems serving approximately 56,880 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Joshua Tree: B (74/100)
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
Joshua Tree water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0110 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule Revisions | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 92252 | B | 1 | 0 | Joshua Basin Water District |
All ZIP Codes in Joshua Tree
- 92252 [B] - 1 violation
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.
CDC Health Data for Joshua Tree
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Joshua Tree
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Joshua Tree's Housing Stock?
With 71% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Pre-1986 homes make up a large part of Joshua Tree's housing; median build year 1973.
Over half of homes in Joshua Tree were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Protecting Children from Lead in Joshua Tree
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Children's drinking water is worth testing in Joshua Tree: the ZIP-code average of systems' 90th-percentile readings for lead is no lower than ten parts per billion, and 71% of dwellings are pre-1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Joshua Tree
Historical NFIP data for Joshua Tree contains 3 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $21,290. Among ZIP codes with claim records, 0% 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.
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 Joshua Tree, CA