Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,3-Butadiene

City of Redmond Water System

 

12

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
2014ND90ND
2015ND30ND
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
2014-06-25A4E1998-01AND
2014-06-25A4E1998-16AND
2014-06-25A4E1998-11AND
2014-06-25A4E1998-21AND
2014-09-24A4H1630-01AND
2014-12-17A4K1345-01AND
2014-12-17A4K1345-06AND
2014-12-17A4K1345-11AND
2014-12-17A4K1348-01AND
2015-03-04A5B1435-01AND
2015-08-18A5G2132-01AND
2015-12-15A5K1615-01AND