ZIP Code 75409
Low Level7
PFAS Detected
0
Above EPA Limits
4
Water Systems
N/A
Highest % of MCL
CITY OF ANNA
TX0430027 Low LevelWater Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 31900.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.50ppt | No federal limit | — | Unregulated |
NORTH COLLIN SUD
TX0430055 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 26300.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 11.90ppt | No federal limit | — | Unregulated |
SOUTH GRAYSON SUD
TX0910064 Low LevelWater Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 35600.00ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 8.40ppt | No federal limit | — | Unregulated |
MARILEE SUD
TX0910081 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 | 51100.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 75409 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.