ZIP Code 77380
Low Level8
PFAS Detected
0
Above EPA Limits
8
Water Systems
N/A
Highest % of MCL
SOUTHERN MONTGOMERY COUNTY MUD
TX1700073 Low LevelWater Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 24600.00ppt | No federal limit | — | Unregulated |
MONTGOMERY COUNTY MUD 6
TX1700090 Low LevelWater Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 25100.00ppt | No federal limit | — | Unregulated |
MONTGOMERY COUNTY WCID 1
TX1700119 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 | 49900.00ppt | No federal limit | — | Unregulated |
MONTGOMERY COUNTY MUD 36
TX1700139 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 16600.00ppt | No federal limit | — | Unregulated |
MONTGOMERY COUNTY MUD 7
TX1700169 Low LevelWater Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 22900.00ppt | No federal limit | — | Unregulated |
MONTGOMERY COUNTY MUD 19
TX1700319 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 | 53600.00ppt | No federal limit | — | Unregulated |
MONTGOMERY COUNTY MUD 46
TX1700348 Low LevelWater Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 41800.00ppt | No federal limit | — | Unregulated |
THE WOODLANDS MUD 1
TX1700471 Low LevelWater Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 16800.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 77380 is served by 8 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.