Foothill Ranch, CA Home Safety: Home Safety 92/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Foothill Ranch: A.
No federal data flags a major home-safety concern for this ZIP.
Water utilities in Foothill Ranch have maintained a consistent compliance record over recent monitoring periods - the city's above-average grade in CA reflects low violation rates and no systemic health concerns flagged in current data.
How Foothill Ranch Compares
Data: EPA SDWIS
What You Should Know About Foothill Ranch Water
- Homes built before 1986: 8% - older plumbing may contain lead solder.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 10.23.
Who Supplies Your Water in Foothill Ranch
The structure of water supply in Foothill Ranch, CA is straightforward: one utility provides the bulk of residential service among 1 tracked system, concentrating rate-setting and infrastructure decisions under a single organization.
- A
Overview
We track home safety data for 1 ZIP code in Foothill Ranch, California (population ~13,182), covering 1 community water system serving approximately 444,800 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.
Home Safety Score
Average Home Safety Score for Foothill Ranch: A (92/100)
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
Foothill Ranch water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0000 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
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 92610 | A | Irvine Ranch Water District | 444,800 |
All ZIP Codes in Foothill Ranch
- 92610 [A]
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.
Health Outcomes in Foothill Ranch
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
Housing & Infrastructure in Foothill Ranch
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
Compared to many older metro areas, Foothill Ranch carries a relatively newer housing profile - the median build year of 1994 places most of the stock in the post-1986 era when lead solder was federally banned from new plumbing. That shift meaningfully reduces the baseline likelihood of lead leaching from copper joint solder. Homes from before 1986 do still exist in the mix, however, and individual testing remains the only way to confirm what a specific tap actually delivers.
Most homes in Foothill Ranch 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.
Cost Context: What Remediation Means for Foothill Ranch Homeowners
In Foothill Ranch, property wealth outpaces what documented remediation typically demands - the equity burden lands well within the low tier.
Remediation costs in Foothill Ranch are relatively low compared to home values. The $1,500–$3,300 estimated range is a small fraction of median property value. Home values are 27% above the California average.
Lead Exposure Risk for Children in Foothill Ranch
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.
Reading Foothill Ranch's aggregate samples next to its housing-age figures yields a quiet baseline. Lead rests under the federal action benchmark in citywide monitoring, and only 8% of homes were built before the federal ban on solder containing lead. Households with kids - the population for whom CDC guidance places particular weight on minimizing exposure - can confirm in-home conditions with a draw-test kit, with a certified lead-removal filter available through certified retail channels if results warrant it.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Foothill Ranch
Historical NFIP data for Foothill Ranch contains 1 flood insurance claim. 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. The <strong>$2,300</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 Foothill Ranch, CA