CheckPFAS

City overview · Saint Tammany County

PFAS in Mandeville, LA

Low Level

EPA UCMR 5 tested 4 public water systems serving the Mandeville area across 2 ZIP codes. Only trace PFAS were detected across Mandeville's tested systems.

Water systems tested
4
Systems above EPA limits
0
ZIP codes covered
2
County
Saint Tammany County, Louisiana

Plain English

01What this means for Mandeville

The water systems serving the Mandeville 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 Mandeville

  1. MANDEVILLE WATER SUPPLY

    1 detected · 0 above limit · PWSID LA1103023

    Low Level

  2. ST TAM PARISH - BRIARWOOD TERRACE

    1 detected · 0 above limit · PWSID LA1103079

    Low Level

  3. MAGNOLIA WATER UTILITIES - GREENLEAVES

    1 detected · 0 above limit · PWSID LA1103118

    Low Level

  4. BEAU CHENE WATER SYSTEM

    1 detected · 0 above limit · PWSID LA1103006

    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.

7044870471

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
4 utilities across 2 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 Mandeville 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.