ZIP Code 77039
Low Level6
PFAS Detected
0
Above EPA Limits
4
Water Systems
N/A
Highest % of MCL
SUNBELT FWSD HIGH MEADOWS SUBDIVISION
TX1010292 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 |
|---|---|---|---|---|
lithium | 19100.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.80ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.70ppt | No federal limit | — | Unregulated |
HARRIS COUNTY WCID 74
TX1010480 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 | 19300.00ppt | No federal limit | — | Unregulated |
ALDINE ISD GRACE RAYMOND ELEMENTARY SCHO
TX1010837 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 | 18400.00ppt | No federal limit | — | Unregulated |
MOUNT HOUSTON SQUARE
TX1011957 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 | 20700.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 77039 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.