Know Your Environment. Protect Your Health.

Dalapon

Belle Chasse Water District

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20192.30 ppb42ND - 4.60 ppb
2020ND20ND
2021ND20ND
20220.330 ppb21ND - 0.660 ppb
2023ND20ND

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
2018-01-3035371297002ND
2018-01-3035371297002ND
2018-10-0235421769001ND
2018-10-0235421769001ND
2019-02-0535446735001ND
2019-02-0535446735001ND
2019-08-14354904180014.60 ppb
2019-08-14354904180014.60 ppb
2020-03-1835538514001ND
2020-10-2635587644001ND
2021-03-0135615730001ND
2021-12-0835683691001ND
2022-01-1335690757001ND
2022-08-04357372470010.660 ppb
2023-02-0135777178001ND
2023-10-3135838751001ND