MONTGOMERY TRACE WATER SYSTEM
TX · PWS ID TX1700638 · Community water system
109
contaminants tested
28
detected
25,917
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0048 ug/L | 1/18 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 2910 UG/L | 97/117 | SYR4 | 2012–2019 |
| Dibromochloromethane | 21 UG/L | 70/111 | SYR4 | 2013–2019 |
| Bromodichloromethane | 20 UG/L | 57/111 | SYR4 | 2013–2019 |
| TTHM | 80.8 UG/L | 55/81 | SYR4 | 2013–2019 |
| Chloroform | 60 UG/L | 38/111 | SYR4 | 2013–2019 |
| Lead | 58.5 UG/L | 37/117 | SYR4 | 2012–2019 |
| Nitrate | 360 UG/L | 36/70 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 52.9 UG/L | 33/81 | SYR4 | 2013–2019 |
| Bromoform | 61 UG/L | 29/111 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 3.3 UG/L | 29/81 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 28.5 UG/L | 26/81 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 20.9 UG/L | 22/81 | SYR4 | 2013–2019 |
| lithium | 46.8 ug/L | 18/18 | UCMR-5 | 2025 |
| Fluoride | 300 UG/L | 13/13 | SYR4 | 2012–2018 |
| Barium | 240 UG/L | 12/12 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0060 mg/L | 12/12 | LCR | 2026 |
| Gross Beta Particle Activity | 10.3 PCI/L | 10/10 | SYR4 | 2012–2018 |
| Dalapon | 2.4 UG/L | 8/95 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon and U | 7 PCI/L | 8/9 | SYR4 | 2015–2018 |
| Monochloroacetic acid | 6.2 UG/L | 8/81 | SYR4 | 2013–2019 |
| Arsenic | 7.8 UG/L | 7/12 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 3 PCI/L | 7/7 | SYR4 | 2012–2018 |
| Xylenes, Total | 5.9 UG/L | 6/30 | SYR4 | 2014–2019 |
| Combined Uranium | 2.5 UG/L | 5/9 | SYR4 | 2015–2018 |
| Selenium | 6 UG/L | 3/12 | SYR4 | 2012–2019 |
| Ethylbenzene | 0.7000 UG/L | 2/30 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 30 UG/L | 2/6 | SYR4 | 2013–2014 |
81 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, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene