SAN BERNARDINO CITY
CA · PWS ID CA3610039 · Community water system
82
contaminants tested
32
detected
214,665
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0044 ug/L | 3/44 | 2024 |
| PFHxA | 0.0040 ug/L | 3/44 | 2024 |
| PFHxS | 0.0040 ug/L | 3/44 | 2024 |
| PFPeA | 0.0034 ug/L | 3/44 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 18000 UG/L | 14814/14902 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 9.2 UG/L | 1907/4482 | SYR4 | 2012–2019 |
| Trichloroethylene | 1.7 UG/L | 429/4482 | SYR4 | 2012–2019 |
| Arsenic | 15 UG/L | 218/512 | SYR4 | 2012–2019 |
| TTHM | 13 UG/L | 141/275 | SYR4 | 2012–2019 |
| cis-1,2-Dichloroethylene | 1.1 UG/L | 134/2401 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.2 UG/L | 128/933 | SYR4 | 2012–2019 |
| Bromoform | 5.3 UG/L | 124/933 | SYR4 | 2012–2019 |
| Fluoride | 1700 UG/L | 106/106 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 920000 UG/L | 102/113 | SYR4 | 2014–2018 |
| Bromodichloromethane | 4.4 UG/L | 87/933 | SYR4 | 2012–2019 |
| Chloroform | 2.9 UG/L | 55/933 | SYR4 | 2012–2019 |
| Chromium | 3.9 UG/L | 49/152 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0080 mg/L | 24/24 | LCR | 2024 |
| Combined Uranium | 28.757 UG/L | 17/17 | SYR4 | 2012–2019 |
| 1,1-Dichloroethylene | 0.8800 UG/L | 16/2401 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1.8 UG/L | 11/108 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 10 UG/L | 10/108 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 10 UG/L | 8/108 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1.6 UG/L | 4/108 | SYR4 | 2012–2019 |
| 1,2-Dichloropropane | 0.6200 UG/L | 3/2401 | SYR4 | 2012–2019 |
| COPPER, FREE | 430 UG/L | 3/115 | SYR4 | 2012–2019 |
| Carbon tetrachloride | 0.2200 UG/L | 2/2401 | SYR4 | 2012–2019 |
| DICHLOROMETHANE | 0.6500 UG/L | 2/2401 | SYR4 | 2012–2019 |
| Benzene | 0.1500 UG/L | 1/2401 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.1 UG/L | 1/108 | SYR4 | 2012–2019 |
| Lead | 40 UG/L | 1/106 | SYR4 | 2012–2019 |
| lithium | 9.11 ug/L | 1/44 | UCMR-5 | 2024 |
50 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalBariumBeryllium, TotalCHLOROBENZENECYANIDECadmiumETHYLENE DIBROMIDEEthylbenzeneHFPO-DAMercuryNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnASeleniumStyreneThallium, TotalTolueneTrichloroacetic AcidVinyl chlorideXylenes, Totalo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
SAN BERNARDIN0