Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Fort Bend County WCID 2

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

MORE ABOUT THIS CONTAMINANT

 

110

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND210ND
2015ND170ND
2016ND170ND
2017ND210ND
2018ND170ND
2019ND170ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-02-04AC41346ND
2014-02-04AC41343ND
2014-02-04AC41342ND
2014-02-04AC41347ND
2014-02-04AC41344ND
2014-02-28AC45272ND
2014-02-28AC45273ND
2014-02-28AC45275ND
2014-02-28AC45268ND
2014-04-10AC50197ND
2014-04-10AC50183ND
2014-04-10AC50180ND
2014-04-10AC50181ND
2014-07-02AC58771ND
2014-07-02AC58786ND
2014-07-02AC58784ND
2014-07-02AC58776ND
2014-10-10AC69485ND
2014-10-10AC69494ND
2014-10-10AC69484ND
2014-10-10AC69483ND
2015-02-04AC79318ND
2015-02-04AC79224ND
2015-02-04AC79223ND
2015-02-04AC79225ND
2015-02-04AC79234ND
2015-04-07AC87435ND
2015-04-07AC87433ND
2015-04-07AC87439ND
2015-04-07AC87436ND
2015-07-31AD02025ND
2015-07-31AD02031ND
2015-07-31AD02033ND
2015-07-31AD02028ND
2015-10-16AD10995ND
2015-10-16AD10975ND
2015-10-16AD10976ND
2015-10-16AD10990ND
2016-01-27AD20490ND
2016-01-27AD20382ND
2016-01-27AD20376ND
2016-01-27AD20378ND
2016-01-27AD20385ND
2016-04-21AD33721ND
2016-04-21AD33722ND
2016-04-21AD33727ND
2016-04-21AD33739ND
2016-09-01AD47680ND
2016-09-01AD47645ND
2016-09-01AD47642ND
2016-09-01AD47653ND
2016-10-24AD54265ND
2016-10-24AD54288ND
2016-10-24AD54294ND
2016-10-24AD54266ND
2017-01-05AD63332ND
2017-01-05AD63328ND
2017-01-05AD63330ND
2017-01-05AD63333ND
2017-01-05AD63334ND
2017-01-05AD63183ND
2017-01-05AD63177ND
2017-01-05AD63176ND
2017-01-05AD63175ND
2017-04-04AD78280ND
2017-04-04AD78278ND
2017-04-04AD78281ND
2017-04-04AD78279ND
2017-07-07AD88651ND
2017-07-07AD88648ND
2017-07-07AD88652ND
2017-07-07AD88646ND
2017-10-10AE00071ND
2017-10-10AE00076ND
2017-10-10AE00078ND
2017-10-10AE00072ND
2018-01-09AE08431ND
2018-01-09AE08323ND
2018-01-09AE08322ND
2018-01-09AE08325ND
2018-01-09AE08324ND
2018-04-18AE22972ND
2018-04-18AE22971ND
2018-04-18AE22964ND
2018-04-18AE22999ND
2018-07-19AE33938ND
2018-07-19AE33943ND
2018-07-19AE33944ND
2018-07-19AE33937ND
2018-10-31AE45039ND
2018-10-31AE45040ND
2018-10-31AE45041ND
2018-10-31AE45042ND
2019-01-25AE51744ND
2019-01-25AE51579ND
2019-01-25AE51573ND
2019-01-25AE51577ND
2019-01-25AE51574ND
2019-04-11AE61997ND
2019-04-11AE62000ND
2019-04-11AE62003ND
2019-04-11AE62001ND
2019-07-19AE75230ND
2019-07-19AE75232ND
2019-07-19AE75233ND
2019-07-19AE75231ND
2019-10-08AE85963ND
2019-10-08AE85964ND
2019-10-08AE85962ND
2019-10-08AE85961ND