Know Your Environment. Protect Your Health.

Dalapon

Jim Wells County Fresh Water Supply District 1

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

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND40ND
2020ND60ND
2021ND90ND
2022ND80ND
2023ND60ND

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
2018-02-05AE12302ND
2018-02-05AE12226ND
2018-06-04AE28525ND
2018-08-06AE35838ND
2018-10-15AE43443ND
2019-02-13AE54344ND
2019-04-29AE63943ND
2019-08-19AE79288ND
2019-11-04AE88305ND
2020-01-21AE94321ND
2020-04-27AF08702ND
2020-08-26AF25369ND
2020-08-26AF25370ND
2020-12-07AF37039ND
2020-12-07AF37050ND
2021-02-08AF42807ND
2021-02-08AF42808ND
2021-02-08AF42824ND
2021-05-26AF55813ND
2021-05-26AF55811ND
2021-08-26AF68092ND
2021-08-26AF68093ND
2021-10-12AF73107ND
2021-10-12AF73108ND
2022-01-19AF80705ND
2022-01-19AF80706ND
2022-06-03AF99604ND
2022-06-03AF99606ND
2022-08-09AG08330ND
2022-08-09AG08331ND
2022-11-14AG18610ND
2022-11-14AG18633ND
2023-01-30AG26715ND
2023-01-30AG26716ND
2023-06-21AG45244ND
2023-06-21AG45245ND
2023-07-10AG47508ND
2023-09-25AG57410ND