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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

City of Lake Charles Water System

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

 

74

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND360ND
2013N/A00N/A
2014N/A00N/A
2015ND320ND
2016N/A00N/A
2017ND60ND

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
2012-04-30AD65286ND
2012-04-30AD65285ND
2012-04-30AD65284ND
2012-04-30AD65283ND
2012-04-30AD65282ND
2012-04-30AD65286ND
2012-04-30AD65282ND
2012-04-30AD65283ND
2012-04-30AD65284ND
2012-04-30AD65285ND
2012-05-29AD65745ND
2012-05-29AD65746ND
2012-05-29AD65744ND
2012-05-29AD65743ND
2012-05-29AD65743ND
2012-05-29AD65742ND
2012-05-29AD65744ND
2012-05-29AD65745ND
2012-05-29AD65742ND
2012-05-29AD65746ND
2012-07-23AD67958ND
2012-07-23AD67957ND
2012-07-23AD67956ND
2012-07-23AD67960ND
2012-07-23AD67960ND
2012-07-23AD67959ND
2012-07-23AD67958ND
2012-07-23AD67957ND
2012-07-23AD67956ND
2012-07-23AD67959ND
2012-10-08AD71686ND
2012-10-08AD71683ND
2012-10-08AD71685ND
2012-10-08AD71683ND
2012-10-08AD71685ND
2012-10-08AD71686ND
2015-03-2335180731001ND
2015-03-2335180731003ND
2015-03-2335180731004ND
2015-03-2335180731005ND
2015-03-2335180731002ND
2015-03-2335180731005ND
2015-03-2335180731001ND
2015-03-2335180731002ND
2015-03-2335180731003ND
2015-03-2335180731004ND
2015-07-2735199384001ND
2015-07-2735199384005ND
2015-07-2735199384004ND
2015-07-2735199384003ND
2015-07-2735199384005ND
2015-07-2735199384004ND
2015-07-2735199384003ND
2015-07-2735199384002ND
2015-07-2735199384002ND
2015-07-2735199384001ND
2015-08-1035201689005ND
2015-08-1035201689004ND
2015-08-1035201689002ND
2015-08-1035201689001ND
2015-08-1035201689001ND
2015-08-1035201689002ND
2015-08-1035201689003ND
2015-08-1035201689004ND
2015-08-1035201689005ND
2015-08-1035201689003ND
2015-09-2135208328005ND
2015-09-2135208328005ND
2017-12-1835365007003ND
2017-12-1835365007001ND
2017-12-1835365007002ND
2017-12-1835365007003ND
2017-12-1835365007001ND
2017-12-1835365007002ND