CheckPFAS

ZIP Code 77836

Low Level
Low Level PFAS Risk Level
4
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL

CITY OF CALDWELL

TX0260001 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
26800.00pptNo federal limitUnregulated

MILANO WSC

TX1660009 Low Level
Water Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
20200.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.50pptNo federal limitUnregulated

SOUTHWEST MILAM WSC

TX1660015 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
21000.00pptNo federal limitUnregulated
Note: ZIP code 77836 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 →