LIBERTY UTILITIES - BELLFLOWER-NORWALK
CA · PWS ID CA1910211 · Community water system
111
contaminants tested
33
detected
72,624
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0110 ug/L | 8/20 | 2024 |
| PFOS | 0.0590 ug/L | 8/20 | 2024 |
| PFBA | 0.0087 ug/L | 6/20 | 2024 |
| PFBS | 0.0089 ug/L | 6/20 | 2024 |
| PFHxA | 0.0100 ug/L | 6/20 | 2024 |
| PFOA | 0.0160 ug/L | 6/20 | 2024 |
| PFPeA | 0.0170 ug/L | 6/20 | 2024 |
| PFHpA | 0.0039 ug/L | 4/20 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 54 UG/L | 199/206 | SYR4 | 2012–2019 |
| Bromoform | 12 UG/L | 178/206 | SYR4 | 2012–2019 |
| Dibromochloromethane | 17 UG/L | 175/206 | SYR4 | 2012–2019 |
| Bromodichloromethane | 17 UG/L | 144/206 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 30 UG/L | 141/200 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 5 UG/L | 138/200 | SYR4 | 2013–2019 |
| Chloroform | 30 UG/L | 109/206 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 19 UG/L | 97/200 | SYR4 | 2013–2019 |
| Nitrate | 3500 UG/L | 84/104 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 9.5 UG/L | 82/200 | SYR4 | 2013–2019 |
| Fluoride | 5400 UG/L | 49/49 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0140 mg/L | 35/35 | LCR | 2025 |
| 1,1-Dichloroethylene | 1.4 UG/L | 13/65 | SYR4 | 2012–2019 |
| lithium | 88.6 ug/L | 12/20 | UCMR-5 | 2024 |
| Arsenic | 2.7 UG/L | 11/19 | SYR4 | 2012–2019 |
| Combined Uranium | 14.9 UG/L | 9/9 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1000000 UG/L | 8/11 | SYR4 | 2012–2019 |
| Barium | 290 UG/L | 7/19 | SYR4 | 2012–2019 |
| Trichloroethylene | 3 UG/L | 7/65 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 0.7000 UG/L | 6/65 | SYR4 | 2012–2019 |
| COPPER, FREE | 59 UG/L | 1/20 | SYR4 | 2012–2019 |
| DICHLOROMETHANE | 1.1 UG/L | 1/65 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 7.9 PCI/L | 1/1 | SYR4 | 2017 |
| Monobromoacetic acid | 2.5 UG/L | 1/200 | SYR4 | 2013–2019 |
| trans-1,2-Dichloroethylene | 0.5800 UG/L | 1/65 | SYR4 | 2012–2019 |
78 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzene