PICO RIVERA - CITY, WATER DEPT.
CA · PWS ID CA1910042 · Community water system
111
contaminants tested
27
detected
40,600
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0100 ug/L | 14/15 | 2024 |
| PFOA | 0.0160 ug/L | 14/15 | 2024 |
| PFOS | 0.0300 ug/L | 14/15 | 2024 |
| PFHxA | 0.0150 ug/L | 13/15 | 2024 |
| PFPeA | 0.0170 ug/L | 13/15 | 2024 |
| PFBA | 0.0140 ug/L | 9/15 | 2024 |
| PFDA | 0.0056 ug/L | 4/15 | 2024 |
| PFHpA | 0.0041 ug/L | 4/15 | 2024 |
| PFHxS | 0.0056 ug/L | 4/15 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 6400 UG/L | 284/288 | SYR4 | 2012–2019 |
| TTHM | 33 UG/L | 90/93 | SYR4 | 2014–2019 |
| Dibromochloromethane | 14.1 UG/L | 89/100 | SYR4 | 2014–2019 |
| Bromoform | 10.9 UG/L | 84/100 | SYR4 | 2014–2019 |
| Bromodichloromethane | 6.3 UG/L | 81/100 | SYR4 | 2014–2019 |
| Dibromoacetic acid | 5 UG/L | 73/88 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 5 UG/L | 73/88 | SYR4 | 2014–2019 |
| Chloroform | 11.3 UG/L | 62/92 | SYR4 | 2014–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 39/39 | LCR | 2025 |
| Fluoride | 380 UG/L | 25/25 | SYR4 | 2013–2019 |
| Tetrachloroethylene | 3.2 UG/L | 18/122 | SYR4 | 2012–2019 |
| Combined Uranium | 8.642 UG/L | 6/16 | SYR4 | 2012–2019 |
| Arsenic | 6.9 UG/L | 3/25 | SYR4 | 2013–2019 |
| Barium | 220 UG/L | 3/25 | SYR4 | 2013–2019 |
| Heptachlor | 0.0120 UG/L | 1/49 | SYR4 | 2012–2019 |
| Lead | 5.8 UG/L | 1/25 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1000000 UG/L | 1/1 | SYR4 | 2013 |
| Trichloroethylene | 0.5000 UG/L | 1/122 | SYR4 | 2012–2019 |
84 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, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDichloroacetic AcidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
PICO RIVERA