PFAS · South Carolina

PFAS in South Carolina Drinking Water — 21 ZIPs Tested

EPA data analysis for pfas in South Carolina drinking water systems

21
ZIPs with Detections
0
ZIPs with Violations
4 ppt (PFOA/PFOS)
EPA Limit
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

PFAS Contamination in South Carolina

ZipCheckup analyzed drinking water data across 534 ZIP codes in South Carolina for pfas contamination. 21 ZIP codes have reported pfas detections, and 0 have EPA violations on record.

EPA Standard for PFAS

The EPA maximum contaminant level (MCL) for pfas is 4 ppt (PFOA/PFOS), governed by the PFAS NPDWR (2024). Water systems that exceed this limit must take corrective action and notify consumers.

Worst ZIP Codes for PFAS in South Carolina

These ZIP codes reported the highest pfas levels in South Carolina based on CCR reports and EPA data:

Lowest PFAS Levels in South Carolina

These ZIP codes had the lowest reported pfas detections in South Carolina:

Health Effects of PFAS

PFAS (per- and polyfluoroalkyl substances) are linked to cancer (kidney, testicular), thyroid disease, immune system suppression, reproductive problems, and elevated cholesterol. These "forever chemicals" persist in the body for years.

How to Remove PFAS From Drinking Water

The most effective treatment for pfas removal is Reverse Osmosis or Granular Activated Carbon. Look for filters certified under NSF 53 / NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see pfas data for your specific water system in South Carolina.

Worst ZIP Codes for PFAS in South Carolina

Ranked by highest pfas detection level.

Rank ZIP Code City Level Detected EPA Limit Status
1 29401 Charleston 6 ppt 4 ppt Exceeds
2 29402 Charleston 6 ppt 4 ppt Exceeds
3 29403 Charleston 6 ppt 4 ppt Exceeds
4 29404 Charleston Afb 6 ppt 4 ppt Exceeds
5 29405 North Charleston 6 ppt 4 ppt Exceeds
6 29406 Charleston 6 ppt 4 ppt Exceeds
7 29407 Charleston 6 ppt 4 ppt Exceeds
8 29409 Charleston 6 ppt 4 ppt Exceeds
9 29410 Hanahan 6 ppt 4 ppt Exceeds
10 29412 Charleston 6 ppt 4 ppt Exceeds
11 29413 Charleston 6 ppt 4 ppt Exceeds
12 29414 Charleston 6 ppt 4 ppt Exceeds
13 29416 Charleston 6 ppt 4 ppt Exceeds
14 29417 Charleston 6 ppt 4 ppt Exceeds
15 29422 Charleston 6 ppt 4 ppt Exceeds
16 29423 Charleston 6 ppt 4 ppt Exceeds
17 29424 Charleston 6 ppt 4 ppt Exceeds
18 29425 Charleston 6 ppt 4 ppt Exceeds
19 29449 Hollywood 6 ppt 4 ppt Exceeds
20 29470 Ravenel 6 ppt 4 ppt Exceeds

Lowest PFAS Levels in South Carolina

ZIP Code City Level Detected
29492 Charleston 6 ppt
29470 Ravenel 6 ppt
29449 Hollywood 6 ppt
29425 Charleston 6 ppt
29424 Charleston 6 ppt
29423 Charleston 6 ppt
29422 Charleston 6 ppt
29417 Charleston 6 ppt
29416 Charleston 6 ppt
29414 Charleston 6 ppt

Cities with PFAS Data in South Carolina

110 cities in South Carolina have pfas testing data available.

+ 90 more cities

South Carolina Water Quality Overview: See statewide water quality rankings on the South Carolina water quality page.
Learn more about PFAS: Read the full guide on PFAS in drinking water.
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