MONTEBELLO LAND & WATER CO.
CA · PWS ID CA1910091 · Community water system
80
contaminants tested
22
detected
26,554
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0110 ug/L | 6/6 | 2024 |
| PFHxS | 0.0086 ug/L | 6/6 | 2024 |
| PFOS | 0.0530 ug/L | 6/6 | 2024 |
| PFBA | 0.0140 ug/L | 5/6 | 2024 |
| PFHpA | 0.0049 ug/L | 4/6 | 2024 |
| PFHxA | 0.0091 ug/L | 4/6 | 2024 |
| PFOA | 0.0160 ug/L | 4/6 | 2024 |
| PFPeA | 0.0092 ug/L | 4/6 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromoform | 21 UG/L | 96/96 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 4.9 UG/L | 96/96 | SYR4 | 2013–2019 |
| Dibromochloromethane | 14 UG/L | 96/96 | SYR4 | 2013–2019 |
| TTHM | 37 UG/L | 96/96 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 4.9 UG/L | 95/96 | SYR4 | 2013–2019 |
| Bromodichloromethane | 4.5 UG/L | 85/96 | SYR4 | 2013–2019 |
| Nitrate | 3400 UG/L | 74/104 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0750 mg/L | 42/42 | LCR | 2026 |
| Fluoride | 370 UG/L | 15/15 | SYR4 | 2013–2019 |
| Combined Uranium | 3.725 UG/L | 5/7 | SYR4 | 2017 |
| Barium | 110 UG/L | 3/15 | SYR4 | 2013–2019 |
| Chloroform | 1.3 UG/L | 3/96 | SYR4 | 2013–2019 |
| Arsenic | 5.5 UG/L | 1/15 | SYR4 | 2013–2019 |
| Tetrachloroethylene | 1.4 UG/L | 1/54 | SYR4 | 2012–2019 |
58 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalBenzeneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEDi(2-ethylhexyl) phthalateDichloroacetic AcidEthylbenzeneHFPO-DALeadMercuryMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnASeleniumStyreneThallium, TotalTolueneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene