CALIFORNIA WATER SERVICE - SAN MATEO
CA · PWS ID CA4110008 · Community water system
44
contaminants tested
14
detected
102,348
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Dichloroacetic Acid | 39 UG/L | 257/257 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 67 UG/L | 257/257 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 30 UG/L | 256/257 | SYR4 | 2012–2019 |
| Chloroform | 73.4 UG/L | 255/256 | SYR4 | 2012–2019 |
| TTHM | 85.3 UG/L | 255/256 | SYR4 | 2012–2019 |
| Bromodichloromethane | 10.97 UG/L | 238/256 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.02 UG/L | 76/256 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 3.5 UG/L | 53/257 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0250 mg/L | 42/42 | LCR | 2025 |
| Bromoform | 3.47 UG/L | 17/256 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.2 UG/L | 9/257 | SYR4 | 2012–2019 |
| COPPER, FREE | 233.408 UG/L | 6/7 | SYR4 | 2016–2019 |
| Monobromoacetic acid | 1.1 UG/L | 2/257 | SYR4 | 2012–2019 |
| Lead | 14.656 UG/L | 1/7 | SYR4 | 2016–2019 |
30 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAHFPO-DANEtFOSAANFDHANMeFOSAAPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAlithium