Dalapon
Edmonson County Water District
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.383 ppb | 6 | 1 | ND - 2.30 ppb |
2015 | ND | 7 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | 0.250 ppb | 4 | 1 | ND - 1.000 ppb |
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 |
---|---|---|
2014-04-15 | 4041100-01 | ND |
2014-04-15 | 4041101-01 | ND |
2014-08-19 | 4081309-01 | ND |
2014-08-19 | 4081310-01 | ND |
2014-09-09 | 4090575-01 | 2.30 ppb |
2014-11-11 | 4110608-01 | ND |
2015-02-10 | 5020705-01 | ND |
2015-04-14 | 5041012-01 | ND |
2015-05-12 | 5050695-01 | ND |
2015-05-12 | 5050701-01 | ND |
2015-08-11 | 5080713-01 | ND |
2015-09-22 | 5091444-01 | ND |
2015-09-22 | 5091443-01 | ND |
2016-04-19 | 15729-01 | ND |
2016-04-19 | 15728-01 | ND |
2016-09-20 | 25915-01 | ND |
2016-09-20 | 25917-01 | ND |
2017-04-18 | 16864-01 | ND |
2017-04-18 | 16867-01 | ND |
2017-09-19 | 28213-01 | ND |
2017-09-19 | 28214-01 | ND |
2018-07-24 | 25564-01 | ND |
2018-08-23 | 28260-01 | ND |
2018-08-24 | 28259-01 | ND |
2019-06-04 | 9061961-01 | ND |
2019-06-04 | 9062006-01 | 1.000 ppb |
2019-08-06 | 9080638-01 | ND |
2019-08-06 | 9080639-01 | ND |