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EWG's Tap Water Database — 2019 UPDATE

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Hydrogen sulfide

California Water Service Company - Dominguez

Hydrogen sulfide is a constituent of crude petroleum and natural gas; it is also released from decomposing waste in landfills and sewers, and from industrial facilities. Hydrogen sulfide has a rotten egg odor. It can irritate the eyes and respiratory system.

 

2

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2017-10-119590-036-1355ND
2017-10-169590-805-1030ND