Drinking water tracked for Dunnellon by FL authorities posts above-average scores - the majority of systems are free from health-based exceedances and the city's grade sits above the state median.

Data: EPA SDWIS

Overview

We track home safety data for 5 ZIP codes in Dunnellon, Florida (population ~40,779), covering 13 community water systems serving approximately 138,352 people region-wide. The EPA snapshots used for this build directly map water systems to 4 of 5 ZIP codes.

4 of 4 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Dunnellon: B (71/100)

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

Dunnellon water systems draw from: Groundwater, Surface water.

Lead & Copper

• Average lead level (90th percentile): 0.0043 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): 5 ZIP codes
• Zone 3 (Low): 0 ZIP codes

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

Top Contaminants

Areas with Most Violations

All ZIP Codes in Dunnellon

• 34430
• 34431 [B] - 13 violations ⚠
• 34432 - 11 violations
• 34433 [C] - 52 violations
• 34434 [C] - 49 violations

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

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

Housing Age Profile

Pre-1986 construction carries elevated plumbing-era lead risk because lead solder was widely used before that federal ban. In Dunnellon, the median build year of 1992 indicates a housing stock where that older fraction represents a significant share of the residential inventory.

1992

Median Year Built

36%

Pre-1986 (Lead Paint Risk)

3%

Pre-1970 (Lead Pipes Risk)

Pre-1970 (3%) 1970–1986 (33%) Post-1986 (64%)

Most homes in Dunnellon were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Dunnellon Homeowners

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Dunnellon 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.

Median Home Value

$217,100

Est. Remediation

$2,160

Remediation as % of home value 1.0%

Remediation costs in Dunnellon are relatively low compared to home values. The $1,150–$3,640 estimated range is a small fraction of median property value. Home values are 36% below the Florida average.

Lead Exposure Risk for Children in Dunnellon

36%

Homes Built Before 1986

0.0043

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.

When older housing represents 36% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Dunnellon address.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Dunnellon

60

Total FEMA Flood Claims

$31,305

Avg Reported Sum With Payment Data

80%

A/V Share of Claim-Record ZIPs

Historical NFIP data for Dunnellon contains 60 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $31,305. Among ZIP codes with claim records, 80% 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>$2,160</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.