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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

North Penn Water Authority

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

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND240ND
2015ND20ND
2016ND20ND
2017ND280ND

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
2014-04-2214040589-01ND
2014-04-2214030712-01ND
2014-04-2214030714-01ND
2014-04-2214040590-01ND
2014-04-2214030715-01ND
2014-04-2814040582-01ND
2014-04-2914030720-01ND
2014-04-2914030716-01ND
2014-04-2914030718-01ND
2014-05-1914041348-01ND
2014-06-0914060593-01ND
2014-06-0914060589-01ND
2014-07-0714070804-001ND
2014-07-0714070787-001ND
2014-07-0714070808-001ND
2014-07-0714070812-001ND
2014-07-0714070809-001ND
2014-07-2114072516-001ND
2014-07-2114072521-001ND
2014-08-0414080384-001ND
2014-08-2514082298-01ND
2014-08-2514082297-01ND
2014-08-2514082296-01ND
2014-08-2514082295-01ND
2015-07-0213013243ND
2015-12-0913633923ND
2016-08-2314907917ND
2016-11-0215226744ND
2017-02-2215795481ND
2017-04-0515937085ND
2017-04-0515937111ND
2017-04-0515937014ND
2017-04-0515937157ND
2017-04-0515937050ND
2017-04-0515936979ND
2017-04-0515937192ND
2017-04-1915937864ND
2017-04-1915937900ND
2017-04-1915938008ND
2017-04-1915938044ND
2017-04-1915937972ND
2017-04-1915937936ND
2017-07-1216414002ND
2017-07-1216414073ND
2017-07-1216414037ND
2017-07-1216414109ND
2017-07-1216413896ND
2017-07-1216413931ND
2017-07-1216413966ND
2017-07-1716414288ND
2017-07-1716414252ND
2017-07-1716414216ND
2017-07-1716414144ND
2017-07-1716414180ND
2017-07-1716414324ND
2017-10-0916880771ND