CheckPFAS

ZIP Code 29434

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.

12
PFAS Detected
4
Above EPA Limits
2
Water Systems
178%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 178% of limit
Detected: 7.10 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 153% of limit
Detected: 6.10 ppt

BCWSA SANGAREE W/D (0820002)

SC0820002 High Risk
Water Type
Surface Water
PFAS Detected
5
Above MCL
2
State
South Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
7.10ppt
178% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
6.10ppt
153% of limit
4 ppt⚠ Exceeds MCL
PFPeA
Perfluoropentanoic acid
6.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
5.70pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.20pptNo federal limitUnregulated

BCWSA EAST COOPER (0820009)

SC0820009 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
PFOS
Perfluorooctane sulfonic acid
7.10ppt
178% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
5.90ppt
148% of limit
4 ppt⚠ Exceeds MCL
HFPO-DA
GenX (Hexafluoropropylene oxide dimer acid)
7.40ppt
74% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
7.50pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
6.30pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.20pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.00pptNo federal limitUnregulated
Note: ZIP code 29434 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 →