CITY OF SOUTHLAKE
TX · PWS ID TX2200075 · Community water system
44
contaminants tested
20
detected
31,576
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0057 ug/L | 4/4 | 2024 |
| PFHxS | 0.0107 ug/L | 4/4 | 2024 |
| PFPeA | 0.0053 ug/L | 4/4 | 2024 |
| PFBA | 0.0088 ug/L | 3/4 | 2024 |
| PFBS | 0.0037 ug/L | 2/4 | 2024 |
| PFOS | 0.0041 ug/L | 2/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 1500 UG/L | 219/219 | SYR4 | 2013–2019 |
| Lead | 64 UG/L | 164/219 | SYR4 | 2013–2019 |
| TTHM | 18.5 UG/L | 125/125 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 57.7 UG/L | 125/125 | SYR4 | 2012–2019 |
| Bromodichloromethane | 6.7 UG/L | 124/125 | SYR4 | 2012–2019 |
| Chloroform | 9.7 UG/L | 124/125 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 14.7 UG/L | 124/125 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.69 UG/L | 112/125 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 3.4 UG/L | 61/125 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 55.4 UG/L | 55/125 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 2.5 UG/L | 37/125 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0175 mg/L | 23/23 | LCR | 2025 |
| Monobromoacetic acid | 4.2 UG/L | 22/125 | SYR4 | 2012–2019 |
| Bromoform | 2.3 UG/L | 16/125 | SYR4 | 2012–2019 |
24 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAHFPO-DANEtFOSAANFDHANMeFOSAAPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFPeSPFTAPFTrDAPFUnAlithium