Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Butane

Clayton Water Supply Corporation Plant 3 and 7

Butane is a component of natural gas. It can enter drinking water sources in areas where wastewater from natural gas or oil production contaminates soil and groundwater.

 

2

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20189.14 ppb119.14 ppb
20198.50 ppb118.50 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2018-08-23Q18339460029.14 ppb
2019-02-05Q19052140018.50 ppb