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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Fort Bend County Municipal Utility District 2

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
2014-02-19AC43560ND
2014-02-19AC43546ND
2014-04-15AC50565ND
2014-04-15AC50570ND
2014-04-15AC50647ND
2014-09-02AC65529ND
2014-09-02AC65505ND
2014-12-11AC74634ND
2014-12-11AC74631ND
2015-01-29AC78450ND
2015-01-29AC78438ND
2015-04-15AC88309ND
2015-04-15AC88306ND
2015-07-22AD00576ND
2015-07-22AD00577ND
2015-11-03AD12591ND
2015-11-03AD12584ND
2016-01-25AD19642ND
2016-01-25AD19644ND
2016-04-20AD33588ND
2016-04-20AD33605ND
2016-08-01AD46400ND
2016-08-01AD46403ND
2016-10-24AD54283ND
2016-10-24AD54286ND
2017-01-18AD65332ND
2017-01-18AD65329ND
2017-01-18AD65476ND
2017-04-18AD79916ND
2017-04-18AD79919ND
2017-07-25AD90517ND
2017-07-25AD90520ND
2017-10-11AE00366ND
2017-10-11AE00361ND
2018-02-02AE12213ND
2018-02-02AE12210ND
2018-04-09AE21658ND
2018-04-09AE21659ND
2018-07-18AE33722ND
2018-08-13AE36620ND
2018-10-19AE44075ND
2018-10-19AE44073ND
2019-01-31AE52429ND
2019-01-31AE52428ND
2019-04-22AE63183ND
2019-04-22AE63185ND
2019-08-05AE76971ND
2019-08-05AE76974ND
2019-10-31AE88140ND
2019-10-31AE88143ND