CITY OF ARCADIA
CA · PWS ID CA1910003 · Community water system
111
contaminants tested
24
detected
51,361
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOS | 0.0100 ug/L | 3/18 | 2024 |
| PFHxS | 0.0048 ug/L | 1/18 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 18000 UG/L | 7724/7792 | SYR4 | 2012–2019 |
| Trichloroethylene | 23 UG/L | 2384/3865 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 12 UG/L | 1414/3834 | SYR4 | 2012–2019 |
| TTHM | 22 UG/L | 127/158 | SYR4 | 2012–2019 |
| Dibromochloromethane | 8.7 UG/L | 126/158 | SYR4 | 2012–2019 |
| Bromoform | 9.3 UG/L | 125/158 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.1 UG/L | 110/158 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.9 UG/L | 94/132 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 3.6 UG/L | 94/132 | SYR4 | 2012–2019 |
| Fluoride | 1400 UG/L | 51/51 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 41/41 | LCR | 2025 |
| Combined Uranium | 8.94 UG/L | 25/27 | SYR4 | 2012–2019 |
| Chloroform | 1.9 UG/L | 21/158 | SYR4 | 2012–2019 |
| 1,1-Dichloroethylene | 0.7100 UG/L | 8/461 | SYR4 | 2012–2019 |
| Chromium | 21 UG/L | 6/52 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 12000 UG/L | 6/7 | SYR4 | 2017 |
| Arsenic | 5.7 UG/L | 4/51 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.3 UG/L | 2/132 | SYR4 | 2012–2019 |
| COPPER, FREE | 76 UG/L | 1/35 | SYR4 | 2012–2018 |
| Di(2-ethylhexyl) phthalate | 6.6 UG/L | 1/81 | SYR4 | 2012–2018 |
| Gross Beta Particle Activity | 2.3 PCI/L | 1/1 | SYR4 | 2018 |
| Lead | 15 UG/L | 1/20 | SYR4 | 2012–2018 |
87 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-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
ARCADIA