CheckPFAS

ZIP 77381 · Texas

Spring, TX

Low Level
See the full Spring overview — all utilities & ZIP codes →

1 compound detected

Trace detections — well below EPA limits

lithium no federal limit
23200.00 ppt
0 34800 ppt
Above EPA limit Below EPA limit No federal limit EPA MCL
PFAS Detected
5
Above EPA Limits
0
Water Systems
5
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.

02MONTGOMERY COUNTY MUD 7

Low Level

PWSID · TX1700169

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 limitUnregulated

03MONTGOMERY COUNTY MUD 47

Low Level

PWSID · TX1700458

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
19900.00pptNo federal limitUnregulated

04MONTGOMERY COUNTY MUD 60

Low Level

PWSID · TX1700470

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
23200.00pptNo federal limitUnregulated

05THE WOODLANDS MUD 1

Low Level

PWSID · TX1700471

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
16800.00pptNo federal limitUnregulated

06MONTGOMERY COUNTY MUD 67

Low Level

PWSID · TX1700554

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

PFAS test results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
21100.00pptNo federal limitUnregulated

Note: ZIP code 77381 is served by 5 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)
TX1700169 · TX1700458 · TX1700470 · TX1700471 · TX1700554
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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