Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

City of Wichita Falls

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND30ND
2016ND10ND
2017N/A00N/A
2018ND10ND
2019ND10ND

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
2014-08-14Q1436796017ND
2014-11-12AC71836ND
2014-11-12AC71859ND
2015-02-09Q1505019011ND
2015-05-11Q1517193005ND
2015-09-22Q1537019006ND
2016-02-01Q1604190007ND
2018-11-14Q1846491007ND
2019-08-19Q1956634006ND