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EWG's Tap Water Database — 2021 UPDATE

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1-Butanol

North City Water District

NOTE: North City Water District purchases water from Seattle Public Utilities which is required to test for 1-butanol . Sample information shown below was taken by Seattle Public Utilities.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND20ND

ppb = parts per billion

All test results

NOTE: North City Water District purchases water from Seattle Public Utilities which is required to test for 1-butanol . Sample information shown below was taken by Seattle Public Utilities.

Date Lab ID Result
2018-09-17B8I2043-01ND
2018-09-17B8I2043-03ND
2018-12-03B8L0258-01ND
2018-12-03B8L0258-02ND
2019-03-18B9C2258-01ND
2019-03-18B9C2258-02ND
2019-06-18B9F2369-01ND
2019-06-18B9F2369-02ND