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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Marina Coast Water District

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

MORE ABOUT THIS CONTAMINANT

 

28

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
2016ND130ND
2017ND10ND
2018N/A00N/A
2019ND140ND

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
2016-08-229590-027-1247ND
2016-09-209590-028-1027ND
2016-09-209590-008-0823ND
2016-09-209590-009-0747ND
2016-09-209590-034-0904ND
2016-09-209590-026-1104ND
2016-09-209590-033-0948ND
2016-12-069590-026-1056ND
2016-12-069590-028-0725ND
2016-12-069590-027-0835ND
2016-12-069590-033-0753ND
2016-12-069590-034-0958ND
2016-12-069590-008-0926ND
2017-02-149590-009-0810ND
2019-09-259590-027-0918ND
2019-09-259590-033-1025ND
2019-09-259590-028-0945ND
2019-09-259590-034-1134ND
2019-09-259590-026-1220ND
2019-09-259590-009-0815ND
2019-09-259590-008-0725ND
2019-12-179590-027-1000ND
2019-12-179590-028-1110ND
2019-12-179590-026-1231ND
2019-12-179590-009-1351ND
2019-12-179590-033-1153ND
2019-12-179590-008-1311ND
2019-12-179590-034-0913ND