DALLAS WATER UTILITY
TX · PWS ID TX0570004 · Community water system
109
contaminants tested
36
detected
1,356,479
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0132 ug/L | 12/12 | 2024 |
| PFBS | 0.0076 ug/L | 12/12 | 2024 |
| PFHxA | 0.0179 ug/L | 12/12 | 2024 |
| PFPeA | 0.0182 ug/L | 12/12 | 2024 |
| PFHpA | 0.0060 ug/L | 4/12 | 2024 |
| PFOA | 0.0063 ug/L | 4/12 | 2024 |
| PFHxS | 0.0038 ug/L | 3/12 | 2024 |
| PFOS | 0.0051 ug/L | 2/12 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 26.2 UG/L | 523/523 | SYR4 | 2012–2019 |
| Chloroform | 46.8 UG/L | 522/523 | SYR4 | 2012–2019 |
| Dibromochloromethane | 8.7 UG/L | 509/523 | SYR4 | 2012–2019 |
| TTHM | 63.6 UG/L | 499/502 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 33.1 UG/L | 481/499 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 26.8 UG/L | 470/499 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 4.2 UG/L | 369/499 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 4.4 UG/L | 256/499 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 19.2 UG/L | 180/499 | SYR4 | 2012–2019 |
| Bromoform | 13.23 UG/L | 169/523 | SYR4 | 2012–2019 |
| COPPER, FREE | 1150 UG/L | 162/165 | SYR4 | 2012–2018 |
| Monobromoacetic acid | 5.4 UG/L | 155/499 | SYR4 | 2012–2019 |
| Nitrate | 1620 UG/L | 54/54 | SYR4 | 2012–2019 |
| Bromate | 13 UG/L | 40/238 | SYR4 | 2013–2019 |
| Lead | 6.4 UG/L | 38/165 | SYR4 | 2012–2018 |
| Fluoride | 1020 UG/L | 24/24 | SYR4 | 2012–2019 |
| Barium | 41 UG/L | 21/21 | SYR4 | 2013–2019 |
| Atrazine | 0.3000 UG/L | 18/30 | SYR4 | 2012–2019 |
| Chromium | 3.76 UG/L | 14/21 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0047 mg/L | 13/13 | LCR | 2024 |
| Simazine | 0.3700 UG/L | 13/30 | SYR4 | 2012–2019 |
| CYANIDE | 164 UG/L | 10/18 | SYR4 | 2014–2019 |
| Arsenic | 2.09 UG/L | 8/21 | SYR4 | 2013–2019 |
| Selenium | 4.08 UG/L | 8/21 | SYR4 | 2013–2019 |
| Antimony, Total | 0.3200 UG/L | 3/21 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 6.6 PCI/L | 3/3 | SYR4 | 2017 |
| Di(2-ethylhexyl) phthalate | 2.7 UG/L | 2/30 | SYR4 | 2012–2019 |
| Nitrite | 31.5 UG/L | 2/3 | SYR4 | 2013 |
73 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 DIBROMIDEEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene