CheckPFAS

ZIP Code 78108

Low Level
Low Level PFAS Risk Level
5
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL

CITY OF SCHERTZ

TX0940003 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
17600.00pptNo federal limitUnregulated

CITY OF CIBOLO

TX0940018 Low Level
Water Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
37000.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
5.40pptNo federal limitUnregulated

GREEN VALLEY SUD

TX0940020 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
41000.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.90pptNo federal limitUnregulated
Note: ZIP code 78108 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 →