Temecula, CA Home Safety: Home Safety 58/100
5 ZIP codes · 5 water systems · Updated
ZipCheckup grade for Temecula: C.
A mixed picture - some signals here are worth your attention.
Temecula, CA holds a middle-tier grade; review the underlying water system records for the reasons behind it.
How Temecula Compares
Data: EPA SDWIS
Temecula Water: The Quick Version
- Average of reported 90th-percentile lead results: 0.0028 mg/L.
- Homes built before 1986: 21% - older plumbing may contain lead solder.
- Estimated remediation: $575 per household.
- Health risk index (ZipCheckup composite of CDC data): 12.09.
Water Systems Serving Temecula
3 systems shown for Temecula, CA, from 5 on the federal list.
- C
- C
- C
Overview
We track home safety data for 5 ZIP codes in Temecula, California (population ~127,714), covering 5 community water systems serving approximately 916,435 people region-wide. The EPA snapshots used for this build directly map water systems to 3 of 5 ZIP codes.
The available EPA record reports 0 violations for 3 ZIP codes with a reported violation count.
Home Safety Score
Average Home Safety Score for Temecula: C (58/100)
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
Temecula water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0028 mg/L (EPA action level: 0.015 mg/L)
- 0 of 3 ZIP codes with known status exceed the EPA lead action level
Radon Risk
5 of 5 ZIP records with known zones are 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 92590 | C | Rancho California Water District | 146,147 |
| 92591 | C | Eastern Municipal Water District | 666,581 |
| 92592 | C | Eastern Municipal Water District | 666,581 |
All ZIP Codes in Temecula
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 Temecula
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
How Old Is Temecula's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Median build year in Temecula: 1998; a tap test shows what your own water delivers.
Most homes in Temecula were built after 1986; lead exposure at a tap still depends on its service line and plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Temecula: Remediation Cost in Perspective
In Temecula, estimated remediation comes to 1% or less of the median home value.
Estimated remediation costs in Temecula can be compared with local home values. The $375–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 10% below the California average.
Protecting Children from Lead in Temecula
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.
For families with young children in Temecula, two area figures are available: pre-1986 construction at about 21%, and a mean of the ZIP codes' 90th-percentile lead results under 0.010 mg/L. Testing water from the tap a child drinks from gives a home-specific result.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Temecula
Historical NFIP data for Temecula contains 23 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $17,766. Among ZIP codes with claim records, 25% 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 $575 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.
What You Can Do in Temecula
- Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
- Install a certified water filter. Choose a pitcher or under-sink filter certified to reduce the specific contaminants of concern.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Temecula, CA