CITY REPORT SC

Folly Beach, SC Home Safety: Home Safety 83/100

1 ZIP code · 2 water systems · Updated

ZipCheckup grade for Folly Beach: B.

This ZIP has a few items worth a quick check.

In ZipCheckup's scoring, Folly Beach, SC lands in the A-B grade tier.

How Folly Beach Compares

Folly Beach83/100
South Carolina avg80/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs Linked to Systems with Violations
B · 83
Avg Safety Score
Zone 3
County Radon Potential (Low)
$1.0M
Median Home Value
$500
Est. Remediation (0.1% of home value)

Folly Beach Water: The Quick Version

  • Average of reported 90th-percentile lead results: 0.0035 mg/L.
  • Homes built before 1986: 43% - older plumbing may contain lead solder.
  • Estimated remediation: $500 per household.
  • Health risk index (ZipCheckup composite of CDC data): 11.36.

Water Systems Serving Folly Beach

Service in Folly Beach, SC can differ by address: 2 water systems are tied to the area in federal records, and the 2 largest are listed with their violation records.

Overview

We track home safety data for 1 ZIP code in Folly Beach, South Carolina (population ~869), covering 2 community water systems serving approximately 332,508 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Folly Beach: B (83/100)

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

Folly Beach water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0035 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

1 of 1 ZIP records with known zones is in EPA Radon Zone 3.

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
29439 B Folly Beach City of (1010005) 5,086

All ZIP Codes in Folly Beach

Data Sources

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

CDC Health Data for Folly Beach

8.8%
Asthma (US: 9.8%)
11.4%
Diabetes (US: 10.4%)
14.4%
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 8.8% ↓
Diabetes 11.4% ↑
Mental Health 14.4% ↓

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

How Old Is Folly Beach's Housing Stock?

1998
Median Build Year
43%
Built Before 1986
30%
Built Before 1970
Copper
Likely Pipe Material

With 43% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Over the decades, Folly Beach accumulated housing from multiple construction periods. The median build year of 1998 can be read against 1986, when lead solder in plumbing became federally prohibited - a regulatory line, not a safety line, and individual homes on either side of it can have different plumbing.

1998
Median Year Built
43%
Pre-1986 (lead solder era; lead paint banned 1978)
30%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (30%) 1970–1986 (13%) Post-1986 (57%)

A significant portion of Folly Beach's housing stock predates 1970, so some homes may have older plumbing materials. Residents in older homes should consider water testing.

Source: U.S. Census Bureau ACS B25034.

Folly Beach: Remediation Cost in Perspective

Estimated remediation for Folly Beach is a small fraction of median property value - one percent or less - though the ratio does not describe any single household.

Median Home Value
$1.0M
Est. Remediation
$500
Remediation as % of home value 0.1%

Estimated remediation costs in Folly Beach can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 387% above the South Carolina average.

Protecting Children from Lead in Folly Beach

43%
Homes Built Before 1986
0.0035
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.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

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

Historical Flood-Claim Evidence for Folly Beach

1,221
Total FEMA Flood Claims
$20,099
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Folly Beach contains 1,221 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $20,099. 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 $500 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

What does the Home Safety Score mean for Folly Beach, SC?
Folly Beach has an average Home Safety Score of 83/100 (Grade B) 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. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Folly Beach water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Folly Beach is 0.0035 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 Folly Beach compare to South Carolina average?
Folly Beach has an average Home Safety Score of 83/100, which is at or above the South Carolina state average of 80/100 for the same model series.
How many water systems serve Folly Beach?
Our records map 2 water systems to 1 ZIP code in Folly Beach. The related population figure in our data is approximately 869 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Folly Beach?
Estimated remediation cost per household in Folly Beach: $500; modeled range $300 to $800. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Folly Beach, SC Home Safety: Home Safety 83/100. https://zipcheckup.com/cities/sc/folly-beach/
BibTeX
@misc{zipcheckup-cities-sc-folly-beach,
  author = {{ZipCheckup}},
  title  = {{Folly Beach, SC Home Safety: Home Safety 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/sc/folly-beach/}
}

Page version: October 2026.

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