COUNTY REPORT SC

Fairfield County, South Carolina

5 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-07-19

ZipCheckup grade for Fairfield: B.

This ZIP looks solid, with a few items worth a quick check.

Fairfield County earns a high water safety grade - 5 ZIP codes tracked, virtually all compliant.

How Fairfield County Compares

Fairfield County73/100
South Carolina avg78/100
National avg68/100

How Fairfield County Compares

B
County Grade
73/100
Avg Safety Score
5
ZIP Codes
6
Water Systems

Fairfield County scores 5 points below the South Carolina state average (78/100) and 5 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-07-19

B
County Grade
73
Avg Safety Score
5
ZIP Codes
Jenkinsville
Best ZIP: 29065 (98/100)
Liberty Hill
Lowest ZIP: 29074 (65/100)
$114K
Median Home Value
$1,100
Avg Remediation (97% of home value)

ZIP Code Risk Map

Water Quality Map: Fairfield County, South Carolina

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 16 (asthma 10.3%, diabetes 18.5%)

Estimated additional annual cost per homeowner: $1,134, driven primarily by flood

Infrastructure: 0.39% avg pipe failure probability, 40% of ZIPs at high risk

56.8% of homes built before 1978 (lead paint era)

Violation History (2021–2024)

→ Stable trend

EPA violation counts by year across Fairfield County water systems. Health-based shown in red, total in blue.

2021
1 (1 health)
2024
3 (3 health)

Peak year: 2024 with 3 violations. Past 5 years: 4 total (4 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.3% (national: 8.9%)
Diabetes 18.5% (national: 10.5%)
Obesity 42.4% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1979
Median Build Year
56.8%
Pre-1978 Housing
39%
Pipe Failure Probability
40%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,134

Flood $1,400/yr
Energy Code Gap $293/yr
Water Infrastructure $200/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

7,222 housing units in Fairfield County

Pre-1940 10%
1940–1959 14%
1960–1979 26%
1980–1999 33%
2000+ 16%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Fairfield County

$114K
Median Home Value
$1,100
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Fairfield County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Fairfield County residents

Asthma 10.3% (US avg: 8.9%)
Diabetes 18.5% (US avg: 11%)
Obesity 42.4% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Fairfield County

6 community water systems serving Fairfield County.

Systems with the most violations in Fairfield County

2 water systems with recorded EPA violations.

All ZIP Codes in Fairfield County

5 ZIP codes tracked in Fairfield County.

# ZIP Code City Safety Score Grade Violations Home Value
1 29065 Jenkinsville 98 A 6 (1 health) $94K
2 29180 Winnsboro 69 C 2 $114K
3 29122 Peak 66 C 0 $175K
4 29132 Rion 66 C 0 —
5 29074 Liberty Hill 65 C 0 —

Recommended Buyer Guides for Fairfield County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Deep Dive Reports

Detailed analysis for Fairfield County, South Carolina

Overview

Fairfield County in South Carolina covers 5 ZIP codes with an average Home Safety Score of B (73/100).

2 of 5 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.

← Back to South Carolina water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Fairfield County?
Fairfield County receives a grade of B, indicating generally safe tap water across its 5 ZIP codes.
How many water systems serve Fairfield County?
Fairfield County is served by 6 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Fairfield County?
The primary environmental risk factor in Fairfield County is flood. This contributes to an estimated additional annual cost of $1,134 per homeowner.
How old are homes in Fairfield County?
The median home build year in Fairfield County is 1979. 56.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Fairfield County compare to South Carolina?
Fairfield County has an average water safety score of 73/100, which is below the South Carolina state average of 78/100.

How to cite this page

APA ZipCheckup. (2026). Fairfield County, SC: 1 Health Violation - 73/100 (2026). https://zipcheckup.com/county/south-carolina/fairfield/
BibTeX 
@misc{zipcheckup-county-south-carolina-fairfield,
  author = {{ZipCheckup}},
  title  = {{Fairfield County, SC: 1 Health Violation - 73/100 (2026)}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-carolina/fairfield/}
}

Data as of July 2026.

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