CITY REPORT CA

Menlo Park, CA Home Safety: Home Safety Score unavailable

2 ZIP codes · 5 water systems · Updated

Data: EPA SDWIS

2
ZIP Codes
5
Water Systems
0
ZIPs Linked to Systems with Violations
Zone 2
County Radon Potential (Moderate)
$2.0M
Median Home Value

What You Should Know About Menlo Park Water

  • Average of reported 90th-percentile lead results: 0.004 mg/L.
  • Health risk index (ZipCheckup composite of CDC data): 9.58.

Who Supplies Your Water in Menlo Park

Federal records list 5 water systems tied to Menlo Park, CA. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.

Overview

We track home safety data for 2 ZIP codes in Menlo Park, California (population ~40,230), covering 5 community water systems serving approximately 119,001 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.

Water Sources

Menlo Park water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0040 mg/L (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

ZIP Code Safety Score System Population
94025 — California Water Service - Bear Gulch 61,431

All ZIP Codes in Menlo Park

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Menlo Park

8.5%
Asthma (US: 9.8%)
10.6%
Diabetes (US: 10.4%)
13.1%
Poor Mental Health (US: 14.8%)

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

Asthma 8.5% ↓
Diabetes 10.6% ↑
Mental Health 13.1% ↓

Vertical line = national average. ■ Above national · ■ Below national

Lead Exposure Risk for Children in Menlo Park

0.004
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

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 Menlo Park 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 NFIP Claim Context in Menlo Park

57
Total FEMA Flood Claims
$40,783
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Menlo Park contains 57 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $40,783. 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.

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.

Frequently Asked Questions

Does Menlo Park water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Menlo Park is 0.004 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Menlo Park?
Our records map 5 water systems to 2 ZIP codes in Menlo Park. The related population figure in our data is approximately 40,230 people; it is not a count of people served citywide.
Home → Cities → California → Menlo Park, CA

How to cite this page

APA ZipCheckup. (2026). Menlo Park, CA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/ca/menlo-park/
BibTeX
@misc{zipcheckup-cities-ca-menlo-park,
  author = {{ZipCheckup}},
  title  = {{Menlo Park, CA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/menlo-park/}
}

Page version: October 2026.

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