CheckPFAS

ZIP Code 77316

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

1 compound exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

6
PFAS Detected
1
Above EPA Limits
3
Water Systems
120%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 120% of limit
Detected: 4.80 ppt

DOBBIN PLANTERSVILLE WSC 1

TX1700178 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
40500.00pptNo federal limitUnregulated

MONTGOMERY COUNTY MUD 18

TX1700546 Low Level
Water Type
Groundwater
PFAS Detected
3
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
52300.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
11.60pptNo federal limitUnregulated
6:2 FTS
6:2 Fluorotelomer sulfonic acid
5.60pptNo federal limitUnregulated

Montgomery Trace

TX1700638 High Risk
Water Type
Groundwater
PFAS Detected
2
Above MCL
1
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
4.80ppt
120% of limit
4 ppt⚠ Exceeds MCL
lithium
46800.00pptNo federal limitUnregulated
Note: ZIP code 77316 is served by 3 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.

View raw EPA data →