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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Cinco Southwest Municipal Utility District 4

NOTE: Cinco Southwest Municipal Utility District 4 purchases water from Cinco Southwest Municipal Utility District 1 which is required to test for dalapon. Sample information shown below was taken by Cinco Southwest Municipal Utility District 1.

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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

NOTE: Cinco Southwest Municipal Utility District 4 purchases water from Cinco Southwest Municipal Utility District 1 which is required to test for dalapon. Sample information shown below was taken by Cinco Southwest Municipal Utility District 1.

Date Lab ID Result
2014-07-02AC58728ND
2014-07-02AC58761ND
2014-07-02AC58741ND
2015-07-27AD01027ND
2015-07-27AD01031ND
2016-06-16AD40929ND
2016-06-16AD40900ND
2017-01-11AD64458ND
2017-05-24AD85452ND
2018-06-25AE31174ND
2019-06-24AE71697ND