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EWG's Tap Water Database — 2021 UPDATE

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1-Butanol

San Antonio Water System

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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72

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
2018ND300ND
2019ND120ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-08A8E1858-04ND
2018-05-08A8E1858-05ND
2018-05-08A8E1856-01ND
2018-05-08A8E1858-02ND
2018-05-08A8E1858-03ND
2018-05-08A8E1856-02ND
2018-05-08A8E1858-01ND
2018-05-09A8E2420-02ND
2018-05-09A8E2420-01ND
2018-05-09A8E2420-06ND
2018-05-09A8E2420-07ND
2018-05-09A8E2420-05ND
2018-05-09A8E2420-03ND
2018-05-09A8E2420-04ND
2018-06-20A8F3372-01ND
2018-09-0635416359001SEA3ND
2018-12-0435434794004SEA2ND
2018-12-0435434794003SEA2ND
2018-12-0435434794005SEA2ND
2018-12-0435434794006SEA2ND
2018-12-0435434794007SEA2ND
2018-12-0435434794002SEA2ND
2018-12-0435434794001SEA2ND
2018-12-0535435332003SEA2ND
2018-12-0535435332004SEA2ND
2018-12-0535435332005SEA2ND
2018-12-0535435332007SEA2ND
2018-12-0535435332001SEA2ND
2018-12-0535435332002SEA2ND
2018-12-1735437726001SEA4ND
2019-05-2135470154005SEA1ND
2019-05-2135470154001SEA1ND
2019-05-2135470154002SEA1ND
2019-05-2135470154003SEA1ND
2019-05-2135470154004SEA1ND
2019-05-2135470154006SEA1ND
2019-05-2135470154007SEA1ND
2019-05-2235470638004SEA1ND
2019-05-2235470638002SEA1ND
2019-05-2235470638001SEA1ND
2019-05-2335470772001SEA2ND
2019-08-1935491524001SEA3ND
2020-05-2735553059001SEA1ND
2020-05-2735553059010SEA1ND
2020-05-2735553059002SEA1ND
2020-05-2735553059009SEA1ND
2020-05-2735553059007SEA1ND
2020-05-2735553059006SEA1ND
2020-05-2735553059003SEA1ND
2020-05-2735553059005SEA1ND
2020-05-2735553059004SEA1ND
2020-05-2835553088001SEA2ND
2020-05-2835553055003SEA1ND
2020-05-2835553055002SEA1ND
2020-05-2835553055001SEA1ND
2020-06-1535556748001SEA1ND
2020-07-2135564813001SEA1ND
2020-07-2135564748001SEA1ND
2020-07-2135564748002SEA1ND
2020-11-1135591473007SEA2ND
2020-11-1135591473002SEA2ND
2020-11-1135591473008SEA2ND
2020-11-1135591473006SEA2ND
2020-11-1135591473001SEA2ND
2020-11-1135591473004SEA2ND
2020-11-1135591473005SEA2ND
2020-11-1135591473003SEA2ND
2020-11-1235591867004SEA2ND
2020-11-1235591867002SEA2ND
2020-11-1235591867003SEA2ND
2020-11-1935593681001SEA2ND
2020-12-1535599314001SEA2ND