LA HABRA HEIGHTS CWD
CA · PWS ID CA1910218 · Community water system
110
contaminants tested
21
detected
5,325
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0083 ug/L | 2/6 | 2025 |
| PFBS | 0.0076 ug/L | 2/6 | 2025 |
| PFHxA | 0.0078 ug/L | 2/6 | 2025 |
| PFHxS | 0.0045 ug/L | 2/6 | 2025 |
| PFOA | 0.0110 ug/L | 2/6 | 2025 |
| PFOS | 0.0230 ug/L | 2/6 | 2025 |
| PFPeA | 0.0099 ug/L | 2/6 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5200 UG/L | 82/82 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0130 mg/L | 35/35 | LCR | 2024 |
| Bromoform | 27.8 UG/L | 16/16 | SYR4 | 2014–2019 |
| Dibromochloromethane | 25.2 UG/L | 16/16 | SYR4 | 2014–2019 |
| TTHM | 69 UG/L | 16/16 | SYR4 | 2014–2019 |
| Bromodichloromethane | 11.8 UG/L | 15/16 | SYR4 | 2014–2019 |
| Fluoride | 330 UG/L | 15/15 | SYR4 | 2012–2019 |
| Arsenic | 4.1 UG/L | 14/15 | SYR4 | 2012–2019 |
| Chloroform | 4.2 UG/L | 10/16 | SYR4 | 2014–2019 |
| Dibromoacetic acid | 5 UG/L | 10/16 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 5 UG/L | 10/16 | SYR4 | 2014–2019 |
| Combined Uranium | 5.066 UG/L | 7/7 | SYR4 | 2013–2016 |
| lithium | 48.5 ug/L | 4/6 | UCMR-5 | 2025 |
| Trichloroacetic Acid | 1.7 UG/L | 1/16 | SYR4 | 2014–2019 |
89 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-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDichloroacetic AcidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene