BROWNSVILLE PUBLIC UTILITIES BOARD
TX · PWS ID TX0310001 · Community water system
108
contaminants tested
33
detected
201,249
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0080 ug/L | 8/8 | 2025 |
| PFHxS | 0.0044 ug/L | 8/8 | 2025 |
| PFPeA | 0.0076 ug/L | 8/8 | 2025 |
| PFBA | 0.0093 ug/L | 7/8 | 2025 |
| PFOS | 0.0092 ug/L | 7/8 | 2025 |
| PFHpA | 0.0041 ug/L | 2/8 | 2025 |
| PFOA | 0.0047 ug/L | 1/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 1013 UG/L | 411/482 | SYR4 | 2013–2019 |
| COPPER, FREE | 985 UG/L | 244/312 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 29.5 UG/L | 213/250 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 19.4 UG/L | 211/250 | SYR4 | 2012–2019 |
| Bromodichloromethane | 18.7 UG/L | 205/266 | SYR4 | 2012–2019 |
| Chloroform | 11.7 UG/L | 204/266 | SYR4 | 2012–2019 |
| Dibromochloromethane | 27.1 UG/L | 201/266 | SYR4 | 2012–2019 |
| TTHM | 83.9 UG/L | 190/250 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 10.3 UG/L | 188/250 | SYR4 | 2012–2019 |
| Bromoform | 38.9 UG/L | 186/266 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 5.3 UG/L | 175/250 | SYR4 | 2012–2019 |
| Lead | 27.4 UG/L | 110/312 | SYR4 | 2012–2018 |
| Nitrate | 840 UG/L | 36/36 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 9.5 UG/L | 31/250 | SYR4 | 2012–2019 |
| Fluoride | 610 UG/L | 16/16 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0090 mg/L | 16/16 | LCR | 2024 |
| Barium | 124 UG/L | 14/14 | SYR4 | 2013–2019 |
| CYANIDE | 170 UG/L | 12/12 | SYR4 | 2014–2019 |
| Monochloroacetic acid | 4.1 UG/L | 10/250 | SYR4 | 2012–2019 |
| Selenium | 5.7 UG/L | 8/14 | SYR4 | 2013–2019 |
| lithium | 51.1 ug/L | 8/8 | UCMR-5 | 2025 |
| Arsenic | 2.9 UG/L | 6/14 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 7.6 PCI/L | 2/2 | SYR4 | 2017 |
| Nitrite | 60 UG/L | 2/2 | SYR4 | 2013 |
| Atrazine | 0.2000 UG/L | 1/16 | SYR4 | 2012–2019 |
| DICHLOROMETHANE | 1.3 UG/L | 1/16 | SYR4 | 2012–2019 |
75 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined UraniumDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene