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EWG's Tap Water Database — 2021 UPDATE

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Asbestos

Waipahu-Ewa-Waianae

Asbestos is a mineral fiber introduced into water by the dissolution of asbestos-containing minerals and from decay of asbestos cement in water mains. Asbestos causes cancer when ingested or inhaled.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND30ND
2015N/A00N/A
2016ND20ND
2017ND20ND
2018N/A00N/A
2019N/A00N/A

MFL = million fibers per liter

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 MFL

The legal limit for asbestos, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

MFL = million fibers per liter

All test results

Date Lab ID Result
2014-02-18201402200354ND
2014-03-06201403100107ND
2014-07-24201407250227ND
2016-11-15ND
2016-12-14ND
2017-02-23ND
2017-03-14ND