Santa Monica, CA Home Safety: Home Safety 58/100
11 ZIP codes · 2 water systems · Updated
ZipCheckup grade for Santa Monica: C.
A mixed picture - some signals here are worth your attention.
Santa Monica lands in the middle of the grade scale in CA; EPA records can differ from one service area to the next.
How Santa Monica Compares
Data: EPA SDWIS
Water Quality Map: Santa Monica, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of Home Safety grades across Santa Monica.
Santa Monica Water: The Quick Version
- Average of reported 90th-percentile lead results: 0.0019 mg/L.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 10.71.
Water Systems Serving Santa Monica
Because each listed system has its own federal record, violations at one of the 2 shown below do not apply to the others among the 2 tied to Santa Monica, CA.
- C
- C
Overview
We track home safety data for 11 ZIP codes in Santa Monica, California (population ~93,880), covering 2 community water systems serving approximately 3,965,513 people region-wide. The EPA snapshots used for this build directly map water systems to 5 of 11 ZIP codes.
The available EPA record reports 0 violations for 5 ZIP codes with a reported violation count.
Home Safety Score
Average Home Safety Score for Santa Monica: 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 Monica water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0019 mg/L (EPA action level: 0.015 mg/L)
- 0 of 5 ZIP codes with known status exceed the EPA lead action level
Radon Risk
11 of 11 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
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 90401 | C | Santa Monica-city, Water Division | 89,947 |
| 90402 | C | Santa Monica-city, Water Division | 89,947 |
| 90403 | C | Santa Monica-city, Water Division | 89,947 |
| 90404 | C | Santa Monica-city, Water Division | 89,947 |
| 90405 | C | Santa Monica-city, Water Division | 89,947 |
All ZIP Codes in Santa Monica
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.
CDC Health Data for Santa Monica
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
Santa Monica: Remediation Cost in Perspective
Relative to home values, Santa Monica remediation estimates run low.
Estimated remediation costs in Santa Monica 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 110% above the California average.
Protecting Children from Lead in Santa Monica
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 Santa Monica 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 Flood-Claim Evidence for Santa Monica
Historical NFIP data for Santa Monica contains 78 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $8,195. Among ZIP codes with claim records, 20% 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.
What You Can Do in Santa Monica
- Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
- Install a certified water filter. Choose a pitcher or under-sink filter certified to reduce the specific contaminants of concern.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Santa Monica, CA