Santa Fe Springs, CA Water Safety: 82/100 (2026)
2 ZIP codes · 4 water systems · Updated 2026-06-03
Although water quality varies across any metro, Santa Fe Springs's systems collectively post above-average compliance scores for CA — and documented violations are few.
How Santa Fe Springs Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Santa Fe Springs Water
- Average lead level: 0.0056 mg/L.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 10.71.
Who Supplies Your Water in Santa Fe Springs
In Santa Fe Springs, CA, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 4 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.
Overview
We track water quality and home safety data for 2 ZIP codes in Santa Fe Springs, California (population ~18,255), covering 4 community water systems serving approximately 371,477 people region-wide.
No EPA violations recorded across any ZIP codes in Santa Fe Springs — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Santa Fe Springs: B (82/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Santa Fe Springs water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0056 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 90670 | B | Santa Fe Springs - City, Water Department | 19,219 |
| 90671 | B | Gswc - Culver City | 38,213 |
All ZIP Codes in Santa Fe Springs
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
Updated daily.
Health Outcomes in Santa Fe Springs
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
Cost Context: What Remediation Means for Santa Fe Springs Homeowners
Placing remediation in the context of Santa Fe Springs's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Santa Fe Springs are relatively low compared to home values. The $800–$2,450 estimated range is a small fraction of median property value. Home values are 16% below the California average.
Lead Exposure Risk for Children in Santa Fe Springs
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.
Lead risk in Santa Fe Springs appears low overall, but individual homes may differ. 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.
Flood & Climate Risk in Santa Fe Springs
FEMA data shows 50% of Santa Fe Springs's ZIP codes mapped into designated flood zones, paired with an NFIP record of 2 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
Santa Fe Springs has a moderate flood history with 2 FEMA claims. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Santa Fe Springs, CA