EAST RIO HONDO WSC
TX · PWS ID TX0310096 · Community water system
110
contaminants tested
39
detected
24,756
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0148 ug/L | 7/10 | 2025 |
| PFHxA | 0.0112 ug/L | 7/10 | 2025 |
| PFPeA | 0.0117 ug/L | 7/10 | 2025 |
| PFOS | 0.0056 ug/L | 3/10 | 2025 |
| PFBS | 0.0035 ug/L | 2/10 | 2025 |
| PFHxS | 0.0045 ug/L | 2/10 | 2025 |
| PFHpA | 0.0040 ug/L | 1/10 | 2025 |
| PFOA | 0.0054 ug/L | 1/10 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 1040 UG/L | 234/252 | SYR4 | 2013–2019 |
| Bromodichloromethane | 20.7 UG/L | 113/136 | SYR4 | 2012–2019 |
| Bromoform | 54.4 UG/L | 113/136 | SYR4 | 2012–2019 |
| Dibromochloromethane | 40.9 UG/L | 113/136 | SYR4 | 2012–2019 |
| Chloroform | 15.6 UG/L | 110/136 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 41.1 UG/L | 110/125 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 20.3 UG/L | 108/125 | SYR4 | 2012–2019 |
| TTHM | 121 UG/L | 102/125 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 15.6 UG/L | 97/125 | SYR4 | 2012–2019 |
| COPPER, FREE | 190 UG/L | 94/98 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 15.8 UG/L | 80/125 | SYR4 | 2012–2019 |
| Nitrate | 370 UG/L | 64/66 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 10.1 UG/L | 17/125 | SYR4 | 2012–2019 |
| Lead | 5.37 UG/L | 14/98 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0040 mg/L | 13/13 | LCR | 2025 |
| Fluoride | 550 UG/L | 11/11 | SYR4 | 2012–2019 |
| Barium | 169 UG/L | 10/10 | SYR4 | 2012–2019 |
| lithium | 56.5 ug/L | 10/10 | UCMR-5 | 2025 |
| Nitrate-Nitrite | 360 UG/L | 7/7 | SYR4 | 2012–2019 |
| Selenium | 4.9 UG/L | 7/10 | SYR4 | 2012–2019 |
| Arsenic | 3 UG/L | 6/10 | SYR4 | 2012–2019 |
| CYANIDE | 170 UG/L | 4/6 | SYR4 | 2014–2019 |
| Chromium | 1.44 UG/L | 3/10 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 6.6 UG/L | 3/125 | SYR4 | 2012–2019 |
| Nitrite | 90 UG/L | 3/10 | SYR4 | 2012–2019 |
| Thallium, Total | 0.4130 UG/L | 3/10 | SYR4 | 2012–2019 |
| Antimony, Total | 0.5490 UG/L | 2/10 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 8.7 PCI/L | 2/4 | SYR4 | 2012–2018 |
| Atrazine | 0.1800 UG/L | 1/11 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.5 PCI/L | 1/1 | SYR4 | 2015 |
| Di(2-ethylhexyl) phthalate | 1.4 UG/L | 1/11 | SYR4 | 2012–2019 |
71 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-PF3ONSADONAAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene