LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER
CA · PWS ID CA1910070 · Community water system
115
contaminants tested
24
detected
208,129
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Arsenic | 78.5 UG/L | 2284/2751 | SYR4 | 2012–2019 |
| Nitrate | 5514.4 UG/L | 556/748 | SYR4 | 2012–2019 |
| Dibromochloromethane | 47.9 UG/L | 172/239 | SYR4 | 2012–2019 |
| TTHM | 126 UG/L | 172/239 | SYR4 | 2012–2019 |
| Bromodichloromethane | 37.8 UG/L | 170/239 | SYR4 | 2012–2019 |
| Bromoform | 47.4 UG/L | 164/239 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 35 UG/L | 161/173 | SYR4 | 2012–2017 |
| Chloroform | 21.2 UG/L | 141/239 | SYR4 | 2012–2019 |
| Fluoride | 1450 UG/L | 115/115 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 19.2 UG/L | 84/96 | SYR4 | 2014–2017 |
| Dichloroacetic Acid | 13.8 UG/L | 80/96 | SYR4 | 2014–2017 |
| Combined Uranium | 11.4134 UG/L | 77/166 | SYR4 | 2012–2019 |
| Chromium | 35.9 UG/L | 59/118 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0590 mg/L | 45/45 | LCR | 2025 |
| Nitrate-Nitrite | 4900 UG/L | 37/44 | SYR4 | 2017–2019 |
| Trichloroacetic Acid | 8.75 UG/L | 35/96 | SYR4 | 2014–2017 |
| Monobromoacetic acid | 2.86 UG/L | 19/96 | SYR4 | 2014–2017 |
| lithium | 17.1 ug/L | 3/28 | UCMR-5 | 2024 |
| Di(2-ethylhexyl) phthalate | 11 UG/L | 2/291 | SYR4 | 2012–2019 |
| Lead | 6.2 UG/L | 2/56 | SYR4 | 2012–2019 |
| Barium | 100 UG/L | 1/115 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 2.9 PCI/L | 1/5 | SYR4 | 2017–2019 |
| Selenium | 7.02 UG/L | 1/115 | SYR4 | 2012–2019 |
| Toluene | 0.5710 UG/L | 1/277 | SYR4 | 2012–2019 |
91 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-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, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromateCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChloriteDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Beta Particle ActivityHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene