Know Your Environment. Protect Your Health.

Dalapon

Quail Ridge Estates Water System

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
2018ND20ND
2019ND60ND
2020ND30ND
2021N/A00N/A
2022ND30ND
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
2018-12-0535435399001ND
2018-12-0535435399001ND
2019-02-0435446720001ND
2019-02-0435446720002ND
2019-02-0435446720001ND
2019-02-0435446720002ND
2019-12-1835520216001ND
2019-12-1835520216001ND
2020-03-1635538363001ND
2020-06-0235554354001ND
2020-08-1135570279001ND
2022-02-0735695811001ND
2022-02-0735695811002ND
2022-02-0735695811003ND