Dalapon
Harris County Municipal Utility District 155
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 5 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 0 | ND |
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 |
---|---|---|
2014-03-05 | AC45701 | ND |
2014-04-23 | AC51515 | ND |
2014-04-23 | AC51545 | ND |
2014-07-28 | AC61094 | ND |
2014-12-10 | AC74341 | ND |
2015-03-12 | AC84076 | ND |
2015-06-22 | AC96786 | ND |
2015-08-18 | AD04531 | ND |
2015-12-09 | AD16215 | ND |
2016-03-07 | AD27223 | ND |
2016-05-10 | AD36069 | ND |
2016-10-25 | AD54610 | ND |
2016-11-16 | AD58301 | ND |
2017-02-06 | AD68722 | ND |
2017-02-06 | AD68902 | ND |
2017-04-24 | AD80679 | ND |
2017-08-03 | AD92050 | ND |
2017-11-14 | AE04737 | ND |
2018-02-06 | AE12492 | ND |
2018-06-06 | AE28857 | ND |
2018-08-27 | AE38526 | ND |
2018-11-29 | AE47394 | ND |
2019-02-04 | AE52678 | ND |
2019-05-23 | AE67959 | ND |
2019-08-01 | AE76799 | ND |
2019-10-16 | AE86759 | ND |