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EWG's Tap Water Database — 2019 UPDATE

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1,3-Butadiene

City of Kirkland

NOTE: City of Kirkland purchases water from Seattle Public Utilities which is required to test for 1,3-butadiene. Sample information shown below was taken by Seattle Public Utilities.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND20ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0103 ppb

The EWG Health Guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

NOTE: City of Kirkland purchases water from Seattle Public Utilities which is required to test for 1,3-butadiene. Sample information shown below was taken by Seattle Public Utilities.

Date Lab ID Result
2015-01-13201501140525AMND
2015-01-13201501140778AMND
2015-04-06201504070229AMND
2015-04-06201504070359AMND
2015-07-22201507230496AMND
2015-07-22201507230482AMND
2015-10-13201509280091AMND
2015-10-13201509280090AMND