CITY OF SAN BENITO
TX · PWS ID TX0310007 · Community water system
109
contaminants tested
34
detected
24,250
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFPeA | 0.0080 ug/L | 6/7 | 2025 |
| PFBA | 0.0096 ug/L | 5/7 | 2025 |
| PFHxA | 0.0086 ug/L | 5/7 | 2025 |
| PFHxS | 0.0049 ug/L | 5/7 | 2025 |
| PFOS | 0.0048 ug/L | 3/7 | 2025 |
| PFHpA | 0.0030 ug/L | 2/7 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 980 UG/L | 211/259 | SYR4 | 2013–2019 |
| Bromodichloromethane | 33 UG/L | 99/100 | SYR4 | 2012–2019 |
| Bromoform | 60.4 UG/L | 99/100 | SYR4 | 2012–2019 |
| Chloroform | 18 UG/L | 99/100 | SYR4 | 2012–2019 |
| Dibromochloromethane | 47 UG/L | 99/100 | SYR4 | 2012–2019 |
| COPPER, FREE | 381 UG/L | 96/96 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 22.6 UG/L | 90/90 | SYR4 | 2013–2019 |
| TTHM | 125 UG/L | 90/90 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 40.9 UG/L | 90/90 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 12.6 UG/L | 87/90 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 5.5 UG/L | 83/90 | SYR4 | 2013–2019 |
| Nitrate | 520 UG/L | 26/26 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 9.1 UG/L | 14/90 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0057 mg/L | 13/13 | LCR | 2023 |
| Fluoride | 500 UG/L | 11/11 | SYR4 | 2012–2019 |
| Lead | 4.7 UG/L | 10/96 | SYR4 | 2013–2019 |
| Barium | 165 UG/L | 8/8 | SYR4 | 2013–2019 |
| lithium | 49.3 ug/L | 8/8 | UCMR-5 | 2025 |
| Selenium | 5.1 UG/L | 7/8 | SYR4 | 2013–2019 |
| CYANIDE | 140 UG/L | 6/6 | SYR4 | 2014–2019 |
| Di(2-ethylhexyl) phthalate | 1.68 UG/L | 4/16 | SYR4 | 2012–2019 |
| Arsenic | 2.1 UG/L | 2/8 | SYR4 | 2013–2019 |
| Atrazine | 0.1500 UG/L | 2/16 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 9.4 UG/L | 2/90 | SYR4 | 2013–2019 |
| Combined Radium (-226 and -228) | 2.3 PCI/L | 1/1 | SYR4 | 2012 |
| DICHLOROMETHANE | 1.2 UG/L | 1/10 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) adipate | 1.78 UG/L | 1/16 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 7.3 PCI/L | 1/2 | SYR4 | 2012–2017 |
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 UraniumDalaponDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFOAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene