CheckPFAS

City overview · San Diego County

PFAS in Escondido, CA

Low Level

EPA UCMR 5 tested 6 public water systems serving the Escondido area across 4 ZIP codes. Only trace PFAS were detected across Escondido's tested systems.

Water systems tested
6
Systems above EPA limits
0
ZIP codes covered
4
County
San Diego County, California

Plain English

01What this means for Escondido

The water systems serving the Escondido 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 Escondido

  1. RINCON DEL DIABLO MWD (ID-1)

    2 detected · 0 above limit · PWSID CA3710018

    Low Level
  2. ESCONDIDO, CITY OF

    1 detected · 0 above limit · PWSID CA3710006

    Low Level
  3. SAN DIEGO, CITY OF

    1 detected · 0 above limit · PWSID CA3710020

    Low Level
  4. VALLEY CENTER MWD

    1 detected · 0 above limit · PWSID CA3710026

    Low Level
  5. VISTA IRRIGATION DISTRICT

    1 detected · 0 above limit · PWSID CA3710027

    Low Level
  6. OLIVENHAIN MWD

    1 detected · 0 above limit · PWSID CA3710029

    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
6 utilities across 4 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 Escondido 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.