CheckPFAS

ZIP 77373 · Texas

ZIP Code 77373

Low Level

2 compounds detected

Trace detections — well below EPA limits

lithium no federal limit
43300.00 ppt
0 64950 ppt
PFBA no federal limit
8.00 ppt
0 12 ppt
Above EPA limit Below EPA limit No federal limit EPA MCL
PFAS Detected
12
Above EPA Limits
0
Water Systems
11
Highest % of MCL
N/A

Plain English

01What this means for you

Very low PFAS concentrations were detected — well below the EPA's Maximum Contaminant Level. For most healthy adults, this represents a minimal incremental risk from drinking water. The most proportionate response is to note the result and check your utility's Consumer Confidence Report again next year. If you have specific health concerns or vulnerable household members, speaking with your doctor and optionally installing a certified point-of-use filter is a reasonable step.

02HARRIS COUNTY WCID 92

Low Level

PWSID · TX1010124

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
12500.00pptNo federal limitUnregulated

03TIMBER LANE UTILITY DISTRICT

Low Level

PWSID · TX1010278

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
19100.00pptNo federal limitUnregulated

04MEADOWHILL REGIONAL MUD

Low Level

PWSID · TX1010387

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
43300.00pptNo federal limitUnregulated

05HARRIS COUNTY WCID 110

Low Level

PWSID · TX1010482

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
28800.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
8.00pptNo federal limitUnregulated

06HARRIS COUNTY MUD 43

Low Level

PWSID · TX1010565

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
11300.00pptNo federal limitUnregulated

07TATTOR ROAD MUD

Low Level

PWSID · TX1010625

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
29500.00pptNo federal limitUnregulated

08HARRIS COUNTY MUD 82

Low Level

PWSID · TX1010630

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
27700.00pptNo federal limitUnregulated

09POSTWOOD MUD

Low Level

PWSID · TX1010631

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
13200.00pptNo federal limitUnregulated

010NORTHGATE CROSSING MUD 1

Low Level

PWSID · TX1013077

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
26900.00pptNo federal limitUnregulated

011NORTHGATE CROSSING MUD 2

Low Level

PWSID · TX1013078

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
29200.00pptNo federal limitUnregulated

012MONTGOMERY COUNTY MUD 119 SPRING TRAILS

Low Level

PWSID · TX1700773

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
24800.00pptNo federal limitUnregulated

Note: ZIP code 77373 is served by 11 separate water utilities. Results above show data for each system independently.

Source & Methodology

About this data

Source
EPA UCMR 5
Data released
January 2026
Sampling period
January 2023 – December 2025
Systems tested
~10,000 public water systems
Water systems (PWSID)
TX1010124 · TX1010278 · TX1010387 · TX1010482 · TX1010565 · TX1010625 · TX1010630 · TX1010631 · TX1013077 · TX1013078 · TX1700773
Detection threshold (MRL)
~1.5–2 ppt

Values shown are the highest single-sample concentration measured at entry points to the distribution system. Results reflect water quality at the treatment plant — aging pipes, building plumbing, and on-site storage can affect what actually reaches your tap. "Not detected" means below the MRL, not literally zero.

View raw EPA UCMR 5 occurrence data →

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