CITY REPORT CA 1 HEALTH VIOLATIONS

Santa Clara, CA: 1 Violation - Home Safety Score unavailable

7 ZIP codes · 4 water systems · Updated

Data: EPA SDWIS

7
ZIP Codes
4
Water Systems
2
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$1.5M
Median Home Value
$1,071
Est. Remediation (0.1% of home value)

What You Should Know About Santa Clara Water

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Average lead level: 0.0027 mg/L.
  • Estimated remediation: $1,071 per household.
  • CDC health risk index: 9.01.

Who Supplies Your Water in Santa Clara

3 water utilities share the residential service territory in Santa Clara, CA - out of 4 total systems in federal records.

Overview

We track home safety data for 7 ZIP codes in Santa Clara, California (population ~129,521), covering 4 community water systems serving approximately 1,398,205 people region-wide. The EPA snapshots used for this build directly map water systems to 4 of 7 ZIP codes.

2 of 4 ZIP codes with a reported violation count in the available EPA record (50%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Water Sources

Santa Clara water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0027 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 4 ZIP codes with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 7 ZIP codes
  • Zone 3 (Low): 0 ZIP codes

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
E. coli Microbiological 3 2

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
95050 1 1 City of Santa Clara
95053 1 1 San Jose Water

Areas with No Violations

ZIP Code Safety Score System Population
95051 City of Santa Clara 130,746
95054 City of Santa Clara 130,746

All ZIP Codes in Santa Clara

Data Sources

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

Health Outcomes in Santa Clara

7.9%
Asthma (US: 9.8%)
10.5%
Diabetes (US: 10.4%)
13.7%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 7.9% ↓
Diabetes 10.5% ↑
Mental Health 13.7% ↓

Vertical line = national average. Above national · Below national

Top Contaminants in Santa Clara Water

E. coli 3 violations
Microbiological
Gastrointestinal illness, potentially fatal

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Cost Context: What Remediation Means for Santa Clara Homeowners

Low proportionality - that's the Santa Clara picture when remediation costs are placed against typical home equity.

Median Home Value
$1.5M
Est. Remediation
$1,071
Remediation as % of home value 0.1%

Remediation costs in Santa Clara are relatively low compared to home values. The $443–$1,800 estimated range is a small fraction of median property value. Home values are 100% above the California average.

Lead Exposure Risk for Children in Santa Clara

0.0027
mg/L Avg Lead (Limit: 0.015)

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 Clara 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.

Historical NFIP Claim Context in Santa Clara

24
Total FEMA Flood Claims
$4,188
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Santa Clara contains 24 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $4,188. Among ZIP codes with claim records, 100% 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 <strong>$1,071</strong> 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.

Frequently Asked Questions

How many water violations does Santa Clara have?
Santa Clara water systems have a total of 1 EPA violation, including 1 health-based violation. Violations are tracked across 7 ZIP codes.
Does Santa Clara water have lead?
The average 90th-percentile lead level in Santa Clara is 0.0027 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Santa Clara?
Santa Clara is served by 4 public water systems across 7 ZIP codes, serving approximately 129,521 people.
How much does it cost to fix water issues in Santa Clara?
Estimated remediation costs in Santa Clara average $1,071 per household, ranging from $443 to $1,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Santa Clara, CA

How to cite this page

APA ZipCheckup. (2026). Santa Clara, CA: 1 Violation - Home Safety Score unavailable. https://zipcheckup.com/cities/ca/santa-clara/
BibTeX
@misc{zipcheckup-cities-ca-santa-clara,
  author = {{ZipCheckup}},
  title  = {{Santa Clara, CA: 1 Violation - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/santa-clara/}
}

Page version: August 2026.

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