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EWG's Tap Water Database — 2021 UPDATE

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Butane

Lake Forest Utility District

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.

 

4

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
201626.0 ppb1126.0 ppb
201723.0 ppb1123.0 ppb
201824.0 ppb1124.0 ppb
201948.0 ppb1148.0 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2016-12-15AD6241026.0 ppb
2017-05-31AD8617123.0 ppb
2018-06-19AE3078624.0 ppb
2019-09-05AE8230448.0 ppb