ZIP Code 76226
Moderate24
PFAS Detected
0
Above EPA Limits
5
Water Systems
88%
Highest % of MCL
CITY OF DENTON
TX0610002 ModerateWater Type
Surface Water
PFAS Detected
5
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 10100.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 8.90ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.80ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.70ppt | No federal limit | — | Unregulated |
ARGYLE WSC
TX0610019 ModerateWater Type
MX
PFAS Detected
5
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 41000.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 77.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 7.70ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.30ppt | No federal limit | — | Unregulated |
CROSS TIMBERS WSC
TX0610020 ModerateWater Type
Surface Water
PFAS Detected
7
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 8.80ppt | 88% of limit
| 10 ppt | Below limit |
lithium | 46900.00ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 441.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 9.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.60ppt | No federal limit | — | Unregulated |
DENTON COUNTY FWSD 7 LANTANA
TX0610228 Low LevelWater Type
Surface Water
PFAS Detected
4
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBA Perfluorobutanoic acid | 8.20ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.20ppt | No federal limit | — | Unregulated |
TOWN OF NORTHLAKE
TX0610235 Low LevelWater Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 8.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.90ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.10ppt | No federal limit | — | Unregulated |
Note: ZIP code 76226 is served by 5 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.