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EWG's Tap Water Database — 2019 UPDATE

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Caffeine

California Water Service Company - Hermosa / Redondo Beach

Caffeine, from coffee and other beverages, is a key indicator of water contamination from wastewater effluent.

 

4

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
2015ND20ND
2016ND20ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-05-069590-001-1142ND
2015-08-059590-001-1210ND
2016-05-189590-005-1300ND
2016-08-109590-005-1105ND