BIG OAKS MUD
TX · PWS ID TX0790332 · Community water system
109
contaminants tested
30
detected
6,450
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0069 ug/L | 2/4 | 2023 |
| PFPeA | 0.0067 ug/L | 2/4 | 2023 |
| PFBA | 0.0056 ug/L | 1/4 | 2023 |
| PFBS | 0.0033 ug/L | 1/4 | 2023 |
| PFHxS | 0.0032 ug/L | 1/4 | 2023 |
| PFOS | 0.0043 ug/L | 1/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 360 UG/L | 46/60 | SYR4 | 2013–2017 |
| Lead | 10.45 UG/L | 22/60 | SYR4 | 2013–2017 |
| Nitrate | 650 UG/L | 16/16 | SYR4 | 2012–2019 |
| Bromodichloromethane | 12.3 UG/L | 12/12 | SYR4 | 2013–2019 |
| Chloroform | 34.8 UG/L | 12/12 | SYR4 | 2013–2019 |
| Dibromochloromethane | 5.3 UG/L | 11/12 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0040 mg/L | 9/9 | LCR | 2024 |
| Dibromoacetic acid | 3.3 UG/L | 7/7 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 28.8 UG/L | 7/7 | SYR4 | 2013–2019 |
| TTHM | 49.1 UG/L | 7/7 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 39.4 UG/L | 7/7 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 9.2 UG/L | 7/7 | SYR4 | 2013–2019 |
| Atrazine | 0.1800 UG/L | 4/7 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 450 UG/L | 3/3 | SYR4 | 2012–2015 |
| Barium | 72.8 UG/L | 2/2 | SYR4 | 2016–2019 |
| Fluoride | 400 UG/L | 2/2 | SYR4 | 2014–2017 |
| lithium | 12.6 ug/L | 2/4 | UCMR-5 | 2023 |
| CYANIDE | 120 UG/L | 1/2 | SYR4 | 2014–2017 |
| Combined Radium (-226 and -228) | 3 PCI/L | 1/1 | SYR4 | 2014 |
| Gross Alpha, Excl. Radon and U | 3 PCI/L | 1/1 | SYR4 | 2014 |
| Gross Beta Particle Activity | 4.5 PCI/L | 1/1 | SYR4 | 2014 |
| Monochloroacetic acid | 2.1 UG/L | 1/7 | SYR4 | 2013–2019 |
| Nitrite | 20 UG/L | 1/3 | SYR4 | 2012–2015 |
| Simazine | 0.1200 UG/L | 1/7 | SYR4 | 2012–2019 |
79 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, TotalArsenicAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromoformCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene