Know Your Environment. Protect Your Health.

Dalapon

City of Overton

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
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND10ND
20231.87 ppb111.87 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
2018-03-13Q1810105008ND
2018-06-11Q1823066008ND
2019-04-15Q1914977006ND
2020-05-14Q2019538011ND
2021-05-03Q2111069007ND
2021-10-21Q2129818004ND
2022-06-27Q2217839001ND
2023-05-25Q23196660101.87 ppb