Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Southern Okla Water Corp

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND320ND
2019ND160ND

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
2018-01-151801438ND
2018-01-151801437ND
2018-01-151801436ND
2018-01-151801435ND
2018-02-061802218ND
2018-02-061802217ND
2018-02-061802215ND
2018-02-271802749ND
2018-04-101804401ND
2018-04-101804400ND
2018-04-241804703ND
2018-04-241804704ND
2018-05-151805520ND
2018-05-151805519ND
2018-06-191806560ND
2018-06-191806559ND
2018-07-171807552ND
2018-07-171807551ND
2018-08-071808226ND
2018-08-071808225ND
2018-08-2118081130ND
2018-08-2118081129ND
2018-09-131809537ND
2018-09-131809538ND
2018-10-091810353ND
2018-10-091810352ND
2018-10-161810469ND
2018-10-161810468ND
2018-11-131811422ND
2018-11-131811421ND
2018-11-271811684ND
2018-11-271811683ND
2019-10-011910022ND
2019-10-091910342ND
2019-11-241911699ND
2019-11-241911697ND
2019-11-241911698ND
2019-11-241911700ND
2019-12-101912369ND
2019-12-101912368ND
2019-12-101912367ND
2019-12-101912366ND
2019-12-101912365ND
2019-12-101912364ND
2019-12-171912630ND
2019-12-171912633ND
2019-12-171912632ND
2019-12-171912631ND