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States → Texas

CITY OF SOUTH HOUSTON

PWS ID: TX1010294 · SOUTH HOUSTON, Texas 77587-0238

PFAS Detected

6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
17,397
Total Violations
28
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,698
County
Harris
School/Daycare
No
MCL Violations
7
Monitoring Violations
16
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2004
Fluoride MCL 2 1982
Endrin MR 1 2011
Toxaphene MR 1 2011
Simazine MR 1 2011
Atrazine MR 1 2011
Heptachlor MR 1 2011
Heptachlor epoxide MR 1 2011
HEXACHLOROBENZENE MR 1 2011
Coliform (TCR) Other 1 1993
Di(2-ethylhexyl) adipate MR 1 2011
Pentachlorophenol MR 1 2011
BHC-GAMMA MR 1 2011
Hexachlorocyclopentadiene MR 1 2011
Benzo(a)pyrene MR 1 2011
Chlordane MR 1 2011
LASSO MR 1 2011
Methoxychlor MR 1 2011
Di(2-ethylhexyl) phthalate MR 1 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 13 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/21/2024 <9 µg/L 9 µg/L Not Detected
6:2 FTS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/21/2024 0.0056 µg/L 0.003 µg/L Detected
PFMPA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 8/21/2024 0.0062 µg/L 0.005 µg/L Detected
HFPO-DA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/21/2024 0.0043 µg/L 0.003 µg/L Detected
PFDoA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/21/2024 0.0041 µg/L 0.004 µg/L Detected
PFNA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/21/2024 0.0032 µg/L 0.003 µg/L Detected
4:2 FTS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 5/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFNA 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.