CLWSC CANYON LAKE SHORES
TX · PWS ID TX0460019 · Community water system
110
contaminants tested
36
detected
44,196
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0071 ug/L | 2/32 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 2680 UG/L | 262/270 | SYR4 | 2012–2019 |
| Dibromochloromethane | 30.6 UG/L | 196/228 | SYR4 | 2012–2019 |
| Bromodichloromethane | 39 UG/L | 189/228 | SYR4 | 2012–2019 |
| Bromoform | 62 UG/L | 185/228 | SYR4 | 2012–2019 |
| Chloroform | 77 UG/L | 177/228 | SYR4 | 2012–2019 |
| Chlorite | 720 UG/L | 160/210 | SYR4 | 2013–2019 |
| TTHM | 96.4 UG/L | 129/131 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 36.1 UG/L | 129/131 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 9.1 UG/L | 124/131 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 21.3 UG/L | 120/131 | SYR4 | 2012–2019 |
| COPPER, FREE | 299 UG/L | 119/131 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 17.7 UG/L | 88/131 | SYR4 | 2012–2019 |
| Fluoride | 2100 UG/L | 57/57 | SYR4 | 2012–2019 |
| Barium | 111 UG/L | 56/56 | SYR4 | 2012–2019 |
| Lead | 10.2 UG/L | 53/131 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 4 UG/L | 41/131 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2680 UG/L | 23/26 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 2.8 PCI/L | 15/16 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon and U | 6.2 PCI/L | 15/32 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0092 mg/L | 14/14 | LCR | 2026 |
| Gross Beta Particle Activity | 12.1 PCI/L | 11/36 | SYR4 | 2012–2019 |
| Selenium | 37.9 UG/L | 11/56 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 3 UG/L | 10/131 | SYR4 | 2012–2019 |
| lithium | 18.2 ug/L | 7/32 | UCMR-5 | 2025 |
| DICHLOROMETHANE | 1.3 UG/L | 6/97 | SYR4 | 2012–2019 |
| Xylenes, Total | 3.2 UG/L | 6/97 | SYR4 | 2012–2019 |
| Combined Uranium | 2.2 UG/L | 5/32 | SYR4 | 2013–2019 |
| Arsenic | 9.7 UG/L | 4/55 | SYR4 | 2012–2019 |
| Chromium | 3.78 UG/L | 4/56 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 1.2 UG/L | 4/63 | SYR4 | 2012–2019 |
| CYANIDE | 50 UG/L | 2/45 | SYR4 | 2013–2019 |
| Ethylbenzene | 1 UG/L | 2/97 | SYR4 | 2012–2019 |
| Carbon tetrachloride | 0.5000 UG/L | 1/97 | SYR4 | 2012–2019 |
| Nitrite | 20 UG/L | 1/36 | SYR4 | 2012–2019 |
| Toluene | 0.9000 UG/L | 1/97 | SYR4 | 2012–2019 |
74 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, TotalCHLOROBENZENECadmiumCarbofuranChlordaneDalaponDi(2-ethylhexyl) adipateDinosebETHYLENE DIBROMIDEEndrinHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene