CheckPFAS

City overview · Calcasieu County

PFAS in Sulphur, LA

Low Level

EPA UCMR 5 tested 3 public water systems serving the Sulphur area across 3 ZIP codes. Only trace PFAS were detected across Sulphur's tested systems.

Water systems tested
3
Systems above EPA limits
0
ZIP codes covered
3
County
Calcasieu County, Louisiana

Plain English

01What this means for Sulphur

The water systems serving the Sulphur 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 Sulphur

  1. SULPHUR CITY OF WATER SYSTEM

    1 detected · 0 above limit · PWSID LA1019044

    Low Level
  2. HOUSTON RIVER WATERWORKS DISTRICT 11

    1 detected · 0 above limit · PWSID LA1019119

    Low Level
  3. CALCASIEU PARISH WW DIST 9 CARLYSS

    1 detected · 0 above limit · PWSID LA1019116

    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
3 utilities across 3 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 Sulphur 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.