CITY OF LEWISVILLE
TX · PWS ID TX0610004 · Community water system
109
contaminants tested
32
detected
140,880
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0046 ug/L | 11/12 | 2025 |
| PFPeA | 0.0045 ug/L | 11/12 | 2025 |
| PFBA | 0.0078 ug/L | 8/12 | 2025 |
| PFBS | 0.0032 ug/L | 1/12 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 900 UG/L | 278/286 | SYR4 | 2012–2019 |
| Bromodichloromethane | 10.2 UG/L | 265/265 | SYR4 | 2012–2019 |
| Chloroform | 26.7 UG/L | 265/265 | SYR4 | 2012–2019 |
| TTHM | 38.3 UG/L | 250/251 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 39.9 UG/L | 250/250 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 26.5 UG/L | 249/250 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 6.6 UG/L | 240/250 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.1 UG/L | 232/265 | SYR4 | 2012–2019 |
| Lead | 14 UG/L | 169/286 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 13.6 UG/L | 128/250 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 3.5 UG/L | 98/250 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 4.6 UG/L | 77/250 | SYR4 | 2012–2019 |
| Nitrate | 2080 UG/L | 64/64 | SYR4 | 2012–2019 |
| Bromoform | 12.7 UG/L | 16/265 | SYR4 | 2012–2019 |
| Fluoride | 700 UG/L | 16/16 | SYR4 | 2012–2019 |
| Barium | 43.5 UG/L | 15/15 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0096 mg/L | 15/15 | LCR | 2025 |
| Atrazine | 0.3900 UG/L | 14/18 | SYR4 | 2012–2019 |
| Simazine | 0.3900 UG/L | 13/18 | SYR4 | 2012–2019 |
| CYANIDE | 153 UG/L | 9/12 | SYR4 | 2014–2019 |
| Chromium | 3.16 UG/L | 9/15 | SYR4 | 2012–2019 |
| Arsenic | 4.5 UG/L | 5/15 | SYR4 | 2012–2019 |
| Selenium | 2.41 UG/L | 4/15 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2080 UG/L | 3/3 | SYR4 | 2012–2015 |
| Antimony, Total | 0.2500 UG/L | 2/15 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.5 PCI/L | 1/1 | SYR4 | 2017 |
| Nitrite | 210 UG/L | 1/6 | SYR4 | 2012–2015 |
| Thallium, Total | 0.0140 UG/L | 1/15 | SYR4 | 2012–2019 |
77 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) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UGross Beta Particle ActivityHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramStyreneTetrachloroethyleneTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene