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EWG's Tap Water Database — 2019 UPDATE

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1,3-Butadiene

City of Columbia

 

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
2014ND40ND
2015ND40ND
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

Date Lab ID Result
2014-07-14201407160691AMND
2014-07-14201407160557AMND
2014-10-14201410160417AMND
2014-10-14201410160419AMND
2015-01-13201501150661AMND
2015-01-13201501150478AMND
2015-04-14201504160399AMND
2015-04-14201504160290AMND