Know Your Environment. Protect Your Health.

Dalapon

City of Spokane

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022N/A00N/A
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2021-07-274195381ND
2021-07-274195370ND
2021-07-274195375ND
2021-07-274195364ND
2023-07-254507786ND
2023-07-254507780ND
2023-07-254507774ND