Know Your Environment. Protect Your Health.

Dalapon

Castle Mountain Creeks Owners Association

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND10ND
2020ND40ND
2021ND40ND
2022ND40ND
2023N/A00N/A

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
2019-01-07S1900713ND
2020-02-11S2006067ND
2020-05-13S2021731ND
2020-08-24S2041261ND
2020-12-08S2061672ND
2021-01-08S2101074ND
2021-04-15S2117132ND
2021-07-15S2135856ND
2021-10-26S2157582ND
2022-03-07S2210666ND
2022-04-06S2216003ND
2022-09-15S2246108ND
2022-12-22S2262581ND