Alpine, CA Home Safety: Home Safety 92/100
2 ZIP codes · 1 water system · Updated
ZipCheckup grade for Alpine: A.
Checked records flag no major concern; missing data is unknown.
Alpine, CA carries a grade in ZipCheckup's upper tier; any health-based violations on record should be checked per water system.
How Alpine Compares
Data: EPA SDWIS
What You Should Know About Alpine Water
- Average of reported 90th-percentile lead results: 0.0011 mg/L.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 10.18.
Who Supplies Your Water in Alpine
Which water system serves a particular address in Alpine, CA? The water bill or the utility can confirm it; the list here shows one system, and federal data link 1 in total.
- A
Overview
We track home safety data for 2 ZIP codes in Alpine, California (population ~18,300), covering 1 community water system serving approximately 93,980 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 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 Alpine: 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
Alpine water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0011 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
2 of 2 ZIP records with known zones are in EPA Radon Zone 3.
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 |
|---|---|---|---|
| 91901 | A | Padre Dam Mwd | 93,980 |
All ZIP Codes in Alpine
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 Alpine
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
Cost Context: What Remediation Means for Alpine Homeowners
Because the median home value in Alpine is large relative to the estimated cost of remediation, the ratio between them stays at or below 1%; that is a statement about two area-level numbers, not a quote for a particular house or a judgment about what an owner can pay.
Estimated remediation costs in Alpine can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 9% above the California average.
Lead Exposure Risk for Children in Alpine
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.
Available area-level lead records for Alpine do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Alpine
Historical NFIP data for Alpine contains 12 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $3,634. 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 $500 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 Alpine, CA