Know Your Environment. Protect Your Health.

Dalapon

Big Cypress Park Headquarters

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.65 ppb224.00 ppb - 5.30 ppb
20192.60 ppb31ND - 7.80 ppb
20202.40 ppb112.40 ppb
20214.10 ppb114.10 ppb
20220.620 ppb110.620 ppb
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 Result
2018-08-145.30 ppb
2018-11-194.00 ppb
2019-02-11ND
2019-05-06ND
2019-07-167.80 ppb
2020-07-082.40 ppb
2021-07-194.10 ppb
2022-08-100.620 ppb