ZIP Code 75661
Moderate7
PFAS Detected
0
Above EPA Limits
2
Water Systems
N/A
Highest % of MCL
LEIGH WSC-RURAL
TX1020022 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 21900.00ppt | No federal limit | — | Unregulated |
HARLETON WSC
TX1020074 ModerateWater Type
MX
PFAS Detected
6
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 17700.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 164.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 10.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.50ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 6.30ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.80ppt | No federal limit | — | Unregulated |
Note: ZIP code 75661 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.