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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Fort Bend County Municipal Utility District 118

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND80ND
2016ND80ND
2017ND90ND
2018ND80ND
2019ND80ND

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
2014-03-12AC46724ND
2014-03-12AC46755ND
2014-03-12AC46816ND
2014-05-16AC54561ND
2014-05-16AC54503ND
2014-09-04AC65912ND
2014-09-04AC65899ND
2014-11-21AC72758ND
2014-11-21AC72757ND
2015-02-02AC78688ND
2015-02-02AC78677ND
2015-06-25AC97541ND
2015-06-25AC97539ND
2015-09-29AD08953ND
2015-09-29AD08952ND
2015-11-12AD13336ND
2015-11-12AD13337ND
2016-02-03AD21790ND
2016-02-03AD21793ND
2016-04-21AD33729ND
2016-04-21AD33719ND
2016-09-15AD49663ND
2016-09-15AD49681ND
2016-11-22AD59023ND
2016-11-22AD59022ND
2017-02-01AD68081ND
2017-02-01AD68053ND
2017-02-01AD68172ND
2017-05-02AD82122ND
2017-05-02AD82105ND
2017-07-05AD88312ND
2017-07-05AD88311ND
2017-10-17AE01042ND
2017-10-17AE01043ND
2018-01-25AE10488ND
2018-01-25AE10534ND
2018-04-09AE21639ND
2018-04-09AE21642ND
2018-07-05AE32379ND
2018-07-05AE32399ND
2018-10-15AE43386ND
2018-10-15AE43384ND
2019-01-14AE49522ND
2019-01-14AE49518ND
2019-04-11AE62015ND
2019-04-11AE62012ND
2019-07-15AE74374ND
2019-07-15AE74373ND
2019-11-22AE90357ND
2019-11-22AE90354ND