Know Your Environment. Protect Your Health.

Dalapon

City of Shavano Park

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND70ND
2021ND20ND
2022ND20ND
2023ND50ND

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
2018-05-14AE26164ND
2019-06-14AE70862ND
2020-02-24AE99578ND
2020-02-24AE99582ND
2020-02-24AE99584ND
2020-05-15AF11869ND
2020-05-15AF11926ND
2020-05-15AF11930ND
2020-07-13AF19185ND
2021-06-18AF58850ND
2021-06-18AF58934ND
2022-03-09AF88473ND
2022-06-21AG01689ND
2023-03-16AG33402ND
2023-06-22AG45579ND
2023-06-22AG45678ND
2023-06-22AG45679ND
2023-06-22AG45681ND