CITY REPORT FL

Seffner, FL: 12 Violations - Home Safety 63/100

2 ZIP codes · 5 water systems · Updated

ZipCheckup grade for Seffner: C.

A mixed picture - some signals here are worth your attention.

Based on current EPA data, Seffner, FL reflects fair but uneven tap water safety.

How Seffner Compares

Seffner63/100
Florida avg80/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
5
Water Systems
1
ZIPs with Violations
C · 63
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$281K
Median Home Value
$1,950
Est. Remediation (0.7% of home value)

Key Facts for Seffner Residents

  • Your city's water systems recorded 12 violations in the past 5 years.
  • Average lead level: 0.0083 mg/L.
  • Estimated remediation: $1,950 per household.
  • CDC health risk index: 11.98.

Seffner's Water Providers

Multiple utilities divide Seffner, FL's water service - 3 leading providers among 5 on the federal register.

Overview

We track home safety data for 2 ZIP codes in Seffner, Florida (population ~27,172), covering 5 community water systems serving approximately 517,034 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Seffner: C (63/100)

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

Seffner water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0083 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

Dominant radon zone: Zone 2 (Moderate Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 2 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
Consumer Confidence Report Rule Reporting 14 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 4 1
Haloacetic Acids (HAA5) Disinfection Byproducts 4 1
Lead Inorganic 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
33584 C 12 0 Hcwrd/south-central

All ZIP Codes in Seffner

Data Sources

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

Seffner Community Health Snapshot

9.4%
Asthma (US: 9.8%)
12.5%
Diabetes (US: 10.4%)
16.4%
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 9.4% ↓
Diabetes 12.5% ↑
Mental Health 16.4% ↑

Vertical line = national average. Above national · Below national

What's in Seffner's Water?

Consumer Confidence Report Rule 14 violations
Reporting
Total Trihalomethanes (TTHM) 4 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Haloacetic Acids (HAA5) 4 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure

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

How Remediation Costs Compare in Seffner

Equity impact data for Seffner lands in the favorable tier - remediation claims a small slice of what properties here are worth.

Median Home Value
$280,700
Est. Remediation
$1,950
Remediation as % of home value 0.7%

Remediation costs in Seffner are relatively low compared to home values. The $1,100–$3,200 estimated range is a small fraction of median property value. Home values are 17% below the Florida average.

Seffner: Lead Risk & Vulnerable Populations

0.0083
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 Seffner 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.

Seffner: NFIP Claim Records and Water-Quality Context

107
Total FEMA Flood Claims
$89,929
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Seffner contains 107 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $89,929. 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>$1,950</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.

What You Can Do in Seffner

  1. 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.
  2. Install a certified water filter. Filters rated for Consumer Confidence Report Rule can reduce the most common contaminant found in Seffner's water.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Frequently Asked Questions

What does the Home Safety Score mean for Seffner, FL?
Seffner has an average Home Safety Score of 63/100 (Grade C) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 12 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Seffner have?
Seffner water systems have a total of 12 EPA violations. Violations are tracked across 2 ZIP codes.
Does Seffner water have lead?
The average 90th-percentile lead level in Seffner is 0.0083 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 does Seffner compare to Florida average?
Seffner has an average Home Safety Score of 63/100, which is below the Florida state average of 80/100 for the same model series.
How many water systems serve Seffner?
Seffner is served by 5 public water systems across 2 ZIP codes, serving approximately 27,172 people.
How much does it cost to fix water issues in Seffner?
Estimated remediation costs in Seffner average $1,950 per household, ranging from $1,100 to $3,200. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesFlorida → Seffner, FL

How to cite this page

APA ZipCheckup. (2026). Seffner, FL: 12 Violations - Home Safety 63/100. https://zipcheckup.com/cities/fl/seffner/
BibTeX
@misc{zipcheckup-cities-fl-seffner,
  author = {{ZipCheckup}},
  title  = {{Seffner, FL: 12 Violations - Home Safety 63/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/fl/seffner/}
}

Page version: August 2026.

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