CheckPFAS

ZIP Code 77385

Low Level
Low Level PFAS Risk Level
7
PFAS Detected
0
Above EPA Limits
5
Water Systems
N/A
Highest % of MCL

CITY OF CONROE

TX1700001 Low Level
Water Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
138000.00pptNo federal limit—Unregulated

CITY OF OAK RIDGE NORTH

TX1700025 Low Level
Water Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
24800.00pptNo federal limit—Unregulated

MONTGOMERY COUNTY MUD 15

TX1700118 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
29300.00pptNo federal limit—Unregulated
6:2 FTS
6:2 Fluorotelomer sulfonic acid
5.60pptNo federal limit—Unregulated
PFBS
Perfluorobutane sulfonic acid
4.40pptNo federal limit—Unregulated

MONTGOMERY COUNTY MUD 7

TX1700169 Low Level
Water Type
MX
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
22900.00pptNo federal limit—Unregulated

MONTGOMERY COUNTY MUD 39

TX1700332 Low Level
Water Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
23800.00pptNo federal limit—Unregulated
Note: ZIP code 77385 is served by 5 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 →