CLEAR LAKE CITY WATER AUTHORITY
TX · PWS ID TX1010056 · Community water system
109
contaminants tested
35
detected
89,702
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0095 ug/L | 15/18 | 2024 |
| PFPeA | 0.0088 ug/L | 15/18 | 2024 |
| PFBA | 0.0145 ug/L | 14/18 | 2024 |
| PFBS | 0.0057 ug/L | 12/18 | 2024 |
| PFHxS | 0.0060 ug/L | 12/18 | 2024 |
| PFOS | 0.0067 ug/L | 12/18 | 2024 |
| PFHpA | 0.0037 ug/L | 7/18 | 2024 |
| PFOA | 0.0040 ug/L | 1/18 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 44 UG/L | 270/274 | SYR4 | 2012–2019 |
| Chloroform | 225 UG/L | 270/274 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 77.9 UG/L | 254/254 | SYR4 | 2012–2019 |
| TTHM | 90.8 UG/L | 254/254 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 99 UG/L | 254/254 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 23.7 UG/L | 251/254 | SYR4 | 2012–2019 |
| Dibromochloromethane | 26 UG/L | 220/274 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 11.1 UG/L | 166/254 | SYR4 | 2012–2019 |
| COPPER, FREE | 904 UG/L | 108/111 | SYR4 | 2012–2017 |
| Nitrate | 850 UG/L | 106/108 | SYR4 | 2012–2019 |
| Bromoform | 24 UG/L | 47/274 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 7.7 UG/L | 37/254 | SYR4 | 2012–2019 |
| Lead | 25.2 UG/L | 34/111 | SYR4 | 2012–2017 |
| Atrazine | 0.8300 UG/L | 25/37 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1080 UG/L | 23/23 | SYR4 | 2012–2015 |
| Simazine | 0.1900 UG/L | 19/37 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0054 mg/L | 15/15 | LCR | 2023 |
| Barium | 135 UG/L | 12/12 | SYR4 | 2014–2019 |
| Nitrite | 230 UG/L | 12/23 | SYR4 | 2012–2015 |
| Fluoride | 1090 UG/L | 10/10 | SYR4 | 2014–2017 |
| lithium | 12.9 ug/L | 6/18 | UCMR-5 | 2024 |
| Hexachlorocyclopentadiene | 0.1200 UG/L | 3/37 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 2.87 PCI/L | 2/2 | SYR4 | 2017 |
| CYANIDE | 30 UG/L | 1/10 | SYR4 | 2014–2017 |
| Dalapon | 1.1 UG/L | 1/264 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4.1 PCI/L | 1/5 | SYR4 | 2017 |
| Monobromoacetic acid | 1 UG/L | 1/254 | 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, TotalArsenicAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined UraniumDICHLOROMETHANEDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene