CITY REPORT CA HEALTH VIOLATIONS: 7

Visalia, CA: 7 Health Violations - Home Safety 54/100

6 ZIP codes · 6 water systems · Updated

ZipCheckup grade for Visalia: D.

Federal records show several conditions worth reviewing.

Your top priority: match a filter's certification to the violations (7 health-based violations). NSF certified filters →

A low grade for Visalia, CA is a reason to open the report for your ZIP code and see which factors pull the score down.

How Visalia Compares

Visalia54/100
California avg76/100
National avg73/100

Data: EPA SDWIS

6
ZIP Codes
6
Water Systems
1
ZIPs Linked to Systems with Violations
D · 54
Avg Safety Score
Zone 2
County Radon Potential (Moderate)
$331K
Median Home Value
$700
Est. Remediation (0.2% of home value)

Key Facts for Visalia Residents

  • Your city's water systems recorded 10 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0004 mg/L.
  • Estimated remediation: $700 per household.
  • Health risk index (ZipCheckup composite of CDC data): 12.22.

Visalia's Water Providers

When a city is linked to 6 water systems, as Visalia, CA is in federal records, water in one neighborhood may come from a different system than in another. The 3 systems with the largest reported populations are shown below, and their compliance records are kept separately, so a violation logged for one does not describe the others.

Overview

We track home safety data for 6 ZIP codes in Visalia, California, covering 6 community water systems serving approximately 161,978 people. The EPA snapshots used for this build directly map water systems to 3 of 6 ZIP codes.

1 of 3 ZIP codes with a reported violation count in the available EPA record (33%) have recorded EPA violations. 7 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Visalia: D (54/100)

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

Visalia water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0004 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 3 ZIP codes with known status exceed the EPA lead action level

Radon Risk

6 of 6 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.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Lead and Copper Rule Revisions Treatment Technique 12 1
Nitrate Inorganic 8 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
93292 D 10 7 Cws - Visalia

Areas with No Violations

ZIP Code Safety Score System Population
93277 C Cws - Visalia 148,496
93291 C Cws - Visalia 148,496

All ZIP Codes in Visalia

Data Sources

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

Visalia Community Health Snapshot

10%
Asthma (US: 9.8%)
13.1%
Diabetes (US: 10.4%)
19%
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 10% ↑
Diabetes 13.1% ↑
Mental Health 19% ↑

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

What's in Visalia's Water?

Lead and Copper Rule Revisions 12 violations
Treatment Technique
Nitrate 8 violations
Inorganic · EPA regulatory level for the contaminant named above: 10 mg/L
Blue baby syndrome in infants

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

How Remediation Costs Compare in Visalia

Because the median home value in Visalia is large relative to the estimated cost of remediation, the ratio between them stays at or below 1%; that is a statement about two area-level numbers, not a quote for a particular house or a judgment about what an owner can pay.

Median Home Value
$330,600
Est. Remediation
$700
Remediation as % of home value 0.2%

Estimated remediation costs in Visalia can be compared with local home values. The $400–$1,300 estimated range can be set against the median property value; actual costs vary by home. Home values are 55% below the California average.

Visalia: Lead Risk & Vulnerable Populations

0.0004
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 Visalia 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.

Visalia: NFIP Claim Records and Water-Quality Context

74
Total FEMA Flood Claims
$12,479
Avg Reported Sum With Payment Data
67%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Visalia contains 74 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $12,479. Among ZIP codes with claim records, 67% 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 $700 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 Visalia

  1. 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.
  2. Install a certified water filter. For Lead and Copper Rule Revisions, listed in the water-quality records for Visalia: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
  4. Review your water system's CCR. If you use a community water system, request its annual Consumer Confidence Report for system-level test results or find it online.

Frequently Asked Questions

What does the Home Safety Score mean for Visalia, CA?
Visalia has an average Home Safety Score of 54/100 (Grade D) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. 10 violations appear in EPA records for water systems mapped to these ZIP codes. Check individual ZIP code reports for component details.
How many violations are on record for water systems serving Visalia?
EPA records list 10 EPA violations, including 7 health-based violations for Visalia water systems. These water-system violations are shown for 6 mapped ZIP codes.
Does Visalia water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Visalia is 0.0004 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 does Visalia compare to California average?
Visalia has an average Home Safety Score of 54/100, which is below the California state average of 76/100 for the same model series.
How many water systems serve Visalia?
Our records map 6 water systems to 6 ZIP codes in Visalia. The related population figure in our data is approximately 161,978 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Visalia?
Estimated remediation cost per household in Visalia: $700; modeled range $400 to $1,300. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
Home → Cities → California → Visalia, CA

How to cite this page

APA ZipCheckup. (2026). Visalia, CA: 7 Health Violations - Home Safety 54/100. https://zipcheckup.com/cities/ca/visalia/
BibTeX
@misc{zipcheckup-cities-ca-visalia,
  author = {{ZipCheckup}},
  title  = {{Visalia, CA: 7 Health Violations - Home Safety 54/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/visalia/}
}

Page version: October 2026.

Get safety alerts for Visalia, California

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.