CheckPFAS

City overview · Alameda County

PFAS in Oakland, CA

Low Level

EPA UCMR 5 tested 1 public water system serving the Oakland area across 14 ZIP codes. Only trace PFAS were detected across Oakland's tested systems.

Water systems tested
1
Systems above EPA limits
0
ZIP codes covered
14
County
Alameda County, California

Plain English

01What this means for Oakland

The water systems serving the Oakland area measured only low, trace concentrations of PFAS — well below the EPA's Maximum Contaminant Levels. For most residents this represents minimal risk from drinking water. Review your specific ZIP below, and check your utility's annual Consumer Confidence Report for year-over-year trends.

By utility

02Water systems serving Oakland

  1. EAST BAY MUD

    1 detected · 0 above limit · PWSID CA0110005

    Low Level

By ZIP code

03Find your exact result

Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
1 utilities across 14 ZIP codes
Detection threshold (MRL)
~1.5–2 ppt

City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Oakland area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.