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EWG's Tap Water Database — 2019 UPDATE

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1,3-Butadiene

Waterloo Water Works

 

18

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
2014ND180ND
2015N/A00N/A
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
2014-03-26777001-11060ND
2014-03-26777003-11060ND
2014-03-26776995-11060ND
2014-03-26776991-11060ND
2014-03-26776989-11060ND
2014-03-26776999-11060ND
2014-03-26776997-11060ND
2014-03-26776987-11060ND
2014-03-26776985-11060ND
2014-09-16818910-12339ND
2014-09-16818947-12339ND
2014-09-16818908-12333ND
2014-09-16818943-12339ND
2014-09-16818933-12333ND
2014-09-16818945-12339ND
2014-09-16818937-12333ND
2014-09-16818935-12333ND
2014-09-16818941-12333ND