Know Your Environment. Protect Your Health.

Dalapon

City of Goldthwaite

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

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND100ND
2020ND110ND
2021ND80ND
2022ND90ND
2023ND80ND

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
2018-01-18AE09243ND
2018-04-30AE24379ND
2018-08-23AE38264ND
2018-10-01AE42181ND
2018-10-01AE42182ND
2019-02-28AE56539ND
2019-02-28AE56540ND
2019-05-02AE64586ND
2019-05-02AE64616ND
2019-05-02AE64713ND
2019-08-06AE77188ND
2019-08-06AE77193ND
2019-10-22AE87183ND
2019-10-22AE87182ND
2019-11-20AE90008ND
2020-01-16AE93937ND
2020-01-16AE93940ND
2020-01-16AE94053ND
2020-04-07AF05854ND
2020-04-07AF05855ND
2020-05-04AF09185ND
2020-07-07AF18202ND
2020-07-07AF18204ND
2020-07-07AF18231ND
2020-11-09AF33586ND
2020-11-09AF33585ND
2021-03-01AF44617ND
2021-03-01AF44619ND
2021-04-12AF49753ND
2021-04-12AF49754ND
2021-07-08AF61063ND
2021-07-08AF61065ND
2021-10-07AF72534ND
2021-10-07AF72535ND
2022-01-27AF82194ND
2022-01-27AF82196ND
2022-01-27AF82314ND
2022-04-14AF93350ND
2022-04-14AF93349ND
2022-07-14AG04679ND
2022-07-14AG04682ND
2022-10-20AG17781ND
2022-10-20AG17782ND
2023-01-11AG24002ND
2023-01-11AG24004ND
2023-04-06AG35773ND
2023-04-06AG35776ND
2023-08-23AG53661ND
2023-08-23AG53663ND
2023-10-25AG61034ND
2023-10-25AG61035ND