Menu

EWG's Tap Water Database

Donate

1,3-Butadiene

Arapahoe Cnty Wwwa

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013N/A00N/A
2014ND160ND
2015ND10ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.0103 ppb

The 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 Result
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-11-10ND
2014-11-12ND
2014-11-17ND
2014-11-17ND
2014-11-17ND
2014-11-18ND
2014-11-19ND
2014-11-20ND
2015-06-25ND