La Puente, CA: 1 Violation - Home Safety 75/100
4 ZIP codes · 5 water systems · Updated
ZipCheckup grade for La Puente: B.
This ZIP has a few items worth a quick check.
Across La Puente, CA, the overall grade falls in the upper range - a summary score, not a measurement taken at any single tap.
How La Puente Compares
Data: EPA SDWIS
Key Facts for La Puente Residents
- Water systems mapped to your city have 1 violation on record since 2021.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 10.71.
La Puente's Water Providers
Among 5 systems linked to La Puente, CA, the 3 biggest by population served appear below.
- B
- B
- B
Overview
We track home safety data for 4 ZIP codes in La Puente, California (population ~106,509), covering 5 community water systems serving approximately 487,344 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 4 ZIP codes.
2 of 2 ZIP codes 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 La Puente: B (75/100)
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
La Puente water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status exceed the EPA lead action level
Radon Risk
4 of 4 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.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 91744 | B | 1 | 0 | Suburban Water Systems-san Jose |
| 91746 | B | 1 | 0 | San Gabriel Valley Water Company-el Monte |
All ZIP Codes in La Puente
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.
La Puente Community Health Snapshot
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
What's in La Puente's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in La Puente
Relative to home values, La Puente remediation estimates run low.
Estimated remediation costs in La Puente 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 18% below the California average.
La Puente: NFIP Claim Records and Water-Quality Context
Historical NFIP data for La Puente contains 6 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $464. 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 La Puente, CA