Know Your Environment. Protect Your Health.

Dalapon

City of Bridge City

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

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-02-21AE15020ND
2018-02-21AE15007ND
2018-05-03AE25024ND
2018-05-03AE25010ND
2018-08-09AE36294ND
2018-08-09AE36296ND
2018-09-05AE39203ND
2018-09-05AE39204ND
2018-11-05AE45232ND
2018-11-05AE45233ND
2019-01-24AE51200ND
2019-01-24AE51201ND
2019-04-10AE61796ND
2019-04-10AE61803ND
2019-07-01AE72760ND
2019-07-01AE72761ND
2019-10-01AE85313ND
2019-10-01AE85338ND
2020-02-03AE96527ND
2020-02-03AE96528ND
2020-02-03AE96634ND
2020-02-03AE96635ND
2020-05-07AF09994ND
2020-05-07AF09999ND
2020-08-20AF24525ND
2020-08-20AF24526ND
2020-10-08AF29974ND
2020-10-08AF29973ND
2021-02-24AF44151ND
2021-02-24AF44152ND
2021-04-22AF51080ND
2021-04-22AF51081ND
2021-08-18AF66856ND
2021-08-18AF66857ND
2021-10-06AF72395ND
2021-10-06AF72397ND
2022-01-26AF81875ND
2022-01-26AF81876ND
2022-04-19AF93627ND
2022-04-19AF93630ND
2022-07-27AG06553ND
2022-07-27AG06556ND
2022-10-12AG16892ND
2022-10-12AG16895ND
2023-02-21AG29615ND
2023-02-21AG29623ND
2023-02-21AG29769ND
2023-02-21AG29770ND
2023-05-11AG40285ND
2023-05-11AG40286ND
2023-08-29AG54504ND
2023-08-29AG54506ND
2023-11-09AG63047ND
2023-11-09AG63059ND