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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Three Rivers

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

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND50ND
2016ND90ND
2017ND80ND
2018ND80ND
2019ND90ND

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
2014-02-27AC45072ND
2014-05-29AC55476ND
2014-08-13AC63405ND
2014-11-19AC72480ND
2015-02-23AC81425ND
2015-06-23AC96961ND
2015-08-06AD02945ND
2015-11-06AD12972ND
2015-11-06AD12965ND
2016-01-19AD18578ND
2016-01-19AD18595ND
2016-03-16AD29182ND
2016-04-13AD32995ND
2016-04-13AD32996ND
2016-07-29AD46361ND
2016-07-29AD46358ND
2016-10-20AD54055ND
2016-10-20AD54045ND
2017-02-02AD68355ND
2017-02-02AD68357ND
2017-05-24AD85681ND
2017-05-24AD85678ND
2017-09-14AD96230ND
2017-09-14AD96232ND
2017-12-13AE07632ND
2017-12-13AE07635ND
2018-02-14AE13726ND
2018-02-14AE13731ND
2018-04-19AE23181ND
2018-04-19AE23182ND
2018-08-22AE38086ND
2018-08-22AE38092ND
2018-10-01AE42201ND
2018-10-01AE42203ND
2019-01-29AE51919ND
2019-01-29AE51920ND
2019-01-29AE52016ND
2019-04-15AE62246ND
2019-04-15AE62272ND
2019-08-05AE77200ND
2019-08-05AE77202ND
2019-12-09AE91888ND
2019-12-09AE91889ND