CheckPFAS

ZIP Code 77479

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

1 compound exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

14
PFAS Detected
1
Above EPA Limits
5
Water Systems
103%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 103% of limit
Detected: 4.10 ppt

CITY OF SUGAR LAND

TX0790005 High Risk
Water Type
MX
PFAS Detected
9
Above MCL
1
State
Texas
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
4.10ppt
103% of limit
4 ppt⚠ Exceeds MCL
lithium
32200.00pptNo federal limitUnregulated
6:2 FTS
6:2 Fluorotelomer sulfonic acid
672.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
358.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
74.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
12.90pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
5.80pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.60pptNo federal limitUnregulated
Show 1 more compound detected at low levels
ADONA4,8-Dioxa-3H-perfluorononanoic acid3.40 pptNo federal limit

CITY OF SUGAR LAND - NEW TERRITORY

TX0790253 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
24300.00pptNo federal limitUnregulated

CITY OF SUGAR LAND - GREATWOOD

TX0790296 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
29400.00pptNo federal limitUnregulated

CITY OF SUGAR LAND RIVER PARK

TX0790354 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
25000.00pptNo federal limitUnregulated

FORT BEND COUNTY MUD 129

TX0790437 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
21800.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
26.30pptNo federal limitUnregulated
Note: ZIP code 77479 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 →