CheckPFAS

ZIP Code 29576

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

4 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

15
PFAS Detected
4
Above EPA Limits
2
Water Systems
288%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 238% of limit
Detected: 9.50 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 228% of limit
Detected: 9.10 ppt

GCWSD WACCAMAW NECK (SC2220010)

SC2220010 High Risk
Water Type
Surface Water
PFAS Detected
7
Above MCL
2
State
South Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
9.50ppt
238% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
9.10ppt
228% of limit
4 ppt⚠ Exceeds MCL
PFPeA
Perfluoropentanoic acid
8.80pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
6.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
6.10pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
5.10pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
4.00pptNo federal limitUnregulated

GSW&SA (SC2620004)

SC2620004 High Risk
Water Type
MX
PFAS Detected
8
Above MCL
2
State
South Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
11.50ppt
288% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
11.40ppt
285% of limit
4 ppt⚠ Exceeds MCL
lithium
30100.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
11.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
7.20pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
7.20pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
5.60pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
4.80pptNo federal limitUnregulated
Note: ZIP code 29576 is served by 2 separate water utilities. Results above show data for each system independently.

Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.

UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.

Detection values represent the highest single-sample result measured at entry points to the distribution system.

View raw EPA data →