DOWNEY - CITY, WATER DEPT.

PWSID: CA1910034 · DOWNEY, CA · Serving 108,816 people

Type: CWSOwner: LSource: GW

Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Exact contamination levels

Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.

PFAS compounds detected

N/A ppt

Highest single detection

Highest detection

Pro feature

N/A

Latest sample date

pending

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 1000 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
PFHpS	ND	—	Below MRL	2025-01-14
9Cl-PF3ONS	ND	—	Below MRL	2025-01-14

998 more results hidden