Surfside, CA Water Safety: 65/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Drilling into federal monitoring figures for Surfside in CA, the pattern is middle-of-the-road — some utilities have documented MCL exceedances or treatment technique violations in recent years, while others have operated without a single flag, making the city's grade a genuine average rather than a rounded-down high.
How Surfside Compares
Data: EPA SDWIS Last verified: 2026-06-03
Surfside Water: The Quick Version
- Homes built before 1986: 83% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 10.23.
Water Systems Serving Surfside
2 independent water providers serve Surfside, CA — 2 systems appear in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Surfside, California (population ~478), covering 2 community water systems serving approximately 225,937 people region-wide.
No EPA violations recorded across any ZIP codes in Surfside — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Surfside: C (65/100)
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
Surfside water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Surfside
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 90743 | C | CITY OF HUNTINGTON BEACH | 201,000 |
All ZIP Codes in Surfside
- 90743 [C]
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.
CDC Health Data for Surfside
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
How Old Is Surfside's Housing Stock?
With 83% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
When a city's housing median build year is 1962, as in Surfside, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in Surfside were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Surfside: Remediation Cost in Perspective
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Surfside is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Surfside are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 171% above the California average.
Protecting Children from Lead in Surfside
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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 83% of the Surfside inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Surfside
Measured across the NFIP's multi-decade tracking period, Surfside shows a moderate flood record — 28 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Surfside has a moderate flood history with 28 FEMA claims averaging $4,734 per payout. 100% 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>$1,200</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.
What You Can Do in Surfside
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 83% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Surfside, CA