Know Your Environment. Protect Your Health.

Dalapon

City of Gonzales

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

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND90ND
2020ND90ND
2021ND80ND
2022ND90ND
2023ND90ND

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
2018-02-08AE13001ND
2018-02-08AE12982ND
2018-05-03AE25005ND
2018-05-03AE24994ND
2018-08-16AE37311ND
2018-08-16AE37312ND
2018-12-12AE48631ND
2018-12-12AE48638ND
2019-03-05AE57118ND
2019-03-05AE57120ND
2019-03-05AE57202ND
2019-04-02AE60852ND
2019-04-02AE60854ND
2019-07-12AE74350ND
2019-07-12AE74333ND
2019-10-14AE86435ND
2019-10-14AE86436ND
2020-01-21AE94303ND
2020-01-21AE94305ND
2020-01-21AE94447ND
2020-04-13AF06458ND
2020-04-13AF06459ND
2020-07-07AF18306ND
2020-07-07AF18307ND
2020-11-13AF34875ND
2020-11-13AF34877ND
2021-01-13AF39102ND
2021-01-13AF39105ND
2021-04-01AF48814ND
2021-04-01AF48815ND
2021-09-02AF68726ND
2021-09-02AF68728ND
2021-11-08AF75976ND
2021-11-08AF75993ND
2022-03-11AF88881ND
2022-03-11AF88882ND
2022-03-11AF88962ND
2022-06-22AG01904ND
2022-06-22AG01906ND
2022-09-30AG15662ND
2022-09-30AG15677ND
2022-12-09AG21484ND
2022-12-09AG21485ND
2023-02-27AG30536ND
2023-02-27AG30537ND
2023-02-27AG30668ND
2023-06-28AG46431ND
2023-06-28AG46432ND
2023-09-11AG55538ND
2023-09-11AG55540ND
2023-11-28AG64587ND
2023-11-28AG64589ND