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National Drinking Water Database

National Drinking Water Database - Chemical Contaminants

Perfluorobutanoic Acid (PFBA)

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

Found above
health guidelines
Found above
legal limit
Water utilities
People Served

Perfluorobutanoic Acid (PFBA) Exposure by State

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

StateWater Suppliers with Perfluorobutanoic Acid (PFBA) contamination

The Most Polluted Communities

12 water utilities reported detecting Perfluorobutanoic Acid (PFBA) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Perfluorobutanoic Acid (PFBA) level

RankSystem Population Served Positive test results of total reported tests Average Level
Oakdale, MN
28,00045 of 451.42 ppb
(0.1 to 2.27 ppb)
2Saint Paul Park
St Paul Park, MN
5,09316 of 161.36 ppb
(1.07 to 1.73 ppb)
3Cottage Grove
Cottage Grove, MN
34,31518 of 181 ppb
(0.81 to 1.2 ppb)
Newport, MN
3,71516 of 160.43 ppb
(0.3 to 0.55 ppb)
5Eagle's Watch Development
Arlington, MN
10015 of 160.38 ppb
(0 to 0.7 ppb)
Woodbury, MN
55,30017 of 170.25 ppb
(0.19 to 0.37 ppb)
Hastings, MN
21,63117 of 170.23 ppb
(0.1 to 0.31 ppb)
8South Saint Paul
South St Paul, MN
20,30417 of 170.08 ppb
(0.05 to 0.1 ppb)
9Lake Elmo
Lake Elmo, MN
3,4141 of 10.06 ppb
(0.06 ppb)
10Minnesota Veterans Home
Hastings, MN
2354 of 90.03 ppb
(0 to 0.1 ppb)

Testing Summary for Perfluorobutanoic Acid (PFBA)

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