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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

Perfluorohexane Sulfonate (PFHXS)


Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.

 
Detected
Found above
health guidelines
Found above
legal limit
States
1
-
-
Water utilities
3
-
-
People Served
117,615
-
-

Perfluorohexane Sulfonate (PFHXS) Exposure by State

Water utilities in 1 states have reported detecting Perfluorohexane Sulfonate (PFHXS) in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Perfluorohexane Sulfonate (PFHXS) contamination
SystemsPopulation
Minnesota3117,615
Total3117,615

The Most Polluted Communities

3 water utilities reported detecting Perfluorohexane Sulfonate (PFHXS) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Perfluorohexane Sulfonate (PFHXS) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Cottage Grove
Cottage Grove, MN
34,31511 of 180.01 ppb
(0 to 0.04 ppb)
2Oakdale
Oakdale, MN
28,00023 of 45< 0.01 ppb
(0 to 0.02 ppb)
3Woodbury
Woodbury, MN
55,3002 of 17< 0.01 ppb
(0 to 0.01 ppb)

Testing Summary for Perfluorohexane Sulfonate (PFHXS)

Are tests routinely required for Perfluorohexane Sulfonate (PFHXS) by federal law?No
Water suppliers reporting tests for Perfluorohexane Sulfonate (PFHXS) (2007-2008):22 of 47,576
Average testing rate for water supplier reporting tests (2007-2008):4.2 per year