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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

City of Chino Hills

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND20ND
2015N/A00N/A
2016ND20ND
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-184790-014-1130ND
2014-01-234790-001-1300ND
2014-01-234790-017-1330ND
2016-03-034790-014-1130ND
2016-03-034790-024-1030ND