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EWG's Tap Water Database — 2021 UPDATE

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1-Butanol

Madison Water Utility

1-butanol is an industrial petrochemical used in the production of butyl acetate. Exposure to 1-butanol can harm the nervous system, liver and kidneys.

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44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20180.365 ppb221ND - 8.04 ppb
2019ND220ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-173992067ND
2018-07-173992483ND
2018-07-173992071ND
2018-07-173992046ND
2018-07-173992479ND
2018-07-173992100ND
2018-07-173992050ND
2018-07-173992096ND
2018-09-114052808ND
2018-09-114052804ND
2018-09-114053227ND
2018-09-254069045ND
2018-09-254069075ND
2018-09-254069053ND
2018-09-254069071ND
2018-09-254069063ND
2018-09-254069118ND
2018-09-254069041ND
2018-09-2540690678.04 ppb
2018-09-254069049ND
2018-10-114087210ND
2018-10-114086546ND
2019-02-214206091ND
2019-02-214206183ND
2019-02-214206284ND
2019-02-214206195ND
2019-02-214206210ND
2019-02-214206310ND
2019-02-214206250ND
2019-02-214206179ND
2019-03-114222772ND
2019-03-114222945ND
2019-03-114223025ND
2019-03-114222699ND
2019-03-114222689ND
2019-03-114222941ND
2019-03-184229963ND
2019-03-184229912ND
2019-03-184229959ND
2019-03-184230241ND
2019-03-184229982ND
2019-08-014372954ND
2019-08-014372950ND
2019-08-014372958ND