Know Your Environment. Protect Your Health.

Dalapon

Hickory Grove Water System

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND80ND
20201.45 ppb21ND - 2.90 ppb
2021ND40ND
20221.25 ppb21ND - 2.50 ppb
20231.70 ppb21ND - 3.40 ppb

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
2019-01-2235444047001ND
2019-01-2235444047002ND
2019-01-2235444047003ND
2019-01-2235444047004ND
2019-01-2235444047001ND
2019-01-2235444047002ND
2019-01-2235444047003ND
2019-01-2235444047004ND
2021-11-3035681619001ND
2021-11-3035681619002ND
2021-11-3035681619003ND
2021-11-3035681619004ND