Official PFAS Records — TX

City of San Benito

PWSID: TX0310007View full utility profile

Source data retrieved: April 20, 2026

UCMR 5 monitoring results are not compliance determinations. Detection does not imply regulatory violation or health risk determination. Methodology

Official Record Summary

Official EPA monitoring records show 207 PFAS results for this water system in the UCMR 5 dataset. 26 results reported as detected above the minimum reporting limit. 181 reported as not detected above MRL.

PFAS Monitoring Records

Analyte	Result	Status	Sample Date	Sample Point	Source
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Oct 22, 2025	EP002MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Oct 22, 2025	EP002MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	.0096 µg/L MRL: 0.005	Official detection	Oct 22, 2025	EP001MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	.0075 µg/L MRL: 0.003	Official detection	Oct 22, 2025	EP001MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	.0043 µg/L MRL: 0.003	Official detection	Oct 22, 2025	EP001MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	.0048 µg/L MRL: 0.004	Official detection	Oct 22, 2025	EP001MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	.0065 µg/L MRL: 0.003	Official detection	Oct 22, 2025	EP001MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Oct 22, 2025	EP002MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Oct 22, 2025	EP002MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Oct 22, 2025	EP001MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Sep 17, 2025	EP002MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Sep 17, 2025	EP002MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Sep 17, 2025	EP002MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Sep 17, 2025	EP002MC	EPA UCMR 5
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	.0072 µg/L MRL: 0.005	Official detection	Jul 29, 2025	EP002MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	.0069 µg/L MRL: 0.005	Official detection	Jul 29, 2025	EP001MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	.0057 µg/L MRL: 0.003	Official detection	Jul 29, 2025	EP002MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	.0062 µg/L MRL: 0.003	Official detection	Jul 29, 2025	EP001MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	.0034 µg/L MRL: 0.003	Official detection	Jul 29, 2025	EP001MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	.0032 µg/L MRL: 0.003	Official detection	Jul 29, 2025	EP002MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	.0041 µg/L MRL: 0.004	Official detection	Jul 29, 2025	EP002MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	.0043 µg/L MRL: 0.004	Official detection	Jul 29, 2025	EP001MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	.0045 µg/L MRL: 0.003	Official detection	Jul 29, 2025	EP002MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	.0049 µg/L MRL: 0.003	Official detection	Jul 29, 2025	EP001MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Jul 29, 2025	EP002MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Jul 29, 2025	EP001MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	May 27, 2025	EP002MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	May 27, 2025	EP001MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	May 27, 2025	EP001MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	May 27, 2025	EP002MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	May 27, 2025	EP001MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	May 27, 2025	EP002MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	May 27, 2025	EP001MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	May 27, 2025	EP002MC	EPA UCMR 5
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	.0057 µg/L MRL: 0.005	Official detection	Apr 16, 2025	EP002MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	.0057 µg/L MRL: 0.005	Official detection	Apr 16, 2025	EP001MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	.0032 µg/L MRL: 0.003	Official detection	Apr 16, 2025	EP002MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Apr 16, 2025	EP002MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Apr 16, 2025	EP001MC	EPA UCMR 5
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFBA Perfluorobutanoic acid	0.005 µg/L MRL: 0.005	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	.003 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP002MC	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	.003 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP001MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	.0086 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP002MC	EPA UCMR 5
PFHxA Perfluorohexanoic acid	.0081 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP001MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	.0048 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP002MC	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	.0049 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP001MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFMPA Perfluoro-3-methoxypropanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	.008 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP001MC	EPA UCMR 5
PFPeA Perfluoropentanoic acid	.0079 µg/L MRL: 0.003	Official detection	Feb 18, 2025	EP002MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Feb 18, 2025	EP001MC	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Feb 18, 2025	EP002MC	EPA UCMR 5

Source: EPA UCMR 5 Occurrence Data · Retrieved April 20, 2026

Water System

PWSID

TX0310007

State

Texas

Population served

24,250

System type

Surface water

Full utility profile

PFAS Record Summary

Total records207

Official detections26

Official non-detects181

Monitoring results from EPA UCMR 5 are not compliance determinations.

Official Sources

EPA ECHO Facility Report UCMR 5 Data Finder EPA PFAS Rule

This page shows only official government PFAS records. No risk scores, safety judgments, or inferred compliance determinations are generated by this system. Read methodology

Texas PFAS records Methodology