Documented records place Santa Fe Springs, CA in the middle grade tier.

Data: EPA SDWIS

Overview

We track home safety data for 2 ZIP codes in Santa Fe Springs, California (population ~18,255), covering 4 community water systems serving approximately 376,431 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 Santa Fe Springs: 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

Santa Fe Springs 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 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 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

All ZIP Codes in Santa Fe Springs

• 90670 [C]
• 90671

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.

Cost Context: What Remediation Means for Santa Fe Springs Homeowners

How large is the remediation estimate next to home prices in Santa Fe Springs? Small in relative terms: it amounts to 1% of the median value or less, although the dollar figure below is still an estimate and actual costs vary by property and contractor.

Median Home Value

$624,000

Est. Remediation

$600

Remediation as % of home value 0.1%

Estimated remediation costs in Santa Fe Springs can be compared with local home values. The $400–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 16% below the California average.

Historical NFIP Claim Context in Santa Fe Springs

2

Total FEMA Flood Claims

0%

A/V Share of Claim-Record ZIPs

Historical NFIP data for Santa Fe Springs contains 2 flood insurance claims. 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 $600 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.