ZIP Code 29527
High RiskPFAS above EPA limits detected
6 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.
23
PFAS Detected
6
Above EPA Limits
4
Water Systems
288%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 213% of limit
Detected: 8.50 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 208% of limit
Detected: 8.30 ppt
CONWAY CITY OF (SC2610008)
SC2610008 High RiskWater Type
Surface Water
PFAS Detected
7
Above MCL
2
State
South Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 8.50ppt | 213% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 8.30ppt | 208% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 8.80ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.80ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.00ppt | No federal limit | — | Unregulated |
CONWAY RURAL (2620001)
SC2620001 High RiskWater Type
Surface Water
PFAS Detected
7
Above MCL
2
State
South Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 10.90ppt | 273% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 10.80ppt | 270% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 10.50ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.70ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 7.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.70ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 4.70ppt | No federal limit | — | Unregulated |
BUCKSPORT WATER COMPANY (SC2620003)
SC2620003 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
South Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 13300.00ppt | No federal limit | — | Unregulated |
GSW&SA (SC2620004)
SC2620004 High RiskWater Type
MX
PFAS Detected
8
Above MCL
2
State
South Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
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 | 30100.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 11.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 7.20ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 5.60ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 4.80ppt | No federal limit | — | Unregulated |
Note: ZIP code 29527 is served by 4 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.