Dalapon
City of West
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 | 8 | 0 | ND |
2019 | 0.270 ppb | 10 | 2 | ND - 1.50 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 |
---|---|---|
2014-02-17 | AC43240 | ND |
2014-02-17 | AC43256 | ND |
2014-04-24 | AC51720 | ND |
2014-08-21 | AC64881 | ND |
2014-11-20 | AC72685 | ND |
2015-03-18 | AC85011 | ND |
2015-04-20 | AC88808 | ND |
2015-07-01 | AC98215 | ND |
2015-10-22 | AD11494 | ND |
2016-01-14 | AD18201 | ND |
2016-05-24 | AD38007 | ND |
2016-07-28 | AD46173 | ND |
2016-10-17 | AD53562 | ND |
2017-02-06 | AD69192 | ND |
2017-02-06 | AD69337 | ND |
2017-04-04 | AD78554 | ND |
2017-08-14 | AD92831 | ND |
2017-10-31 | AE03193 | ND |
2018-02-13 | AE13520 | ND |
2018-02-13 | AE13519 | ND |
2018-05-02 | AE24777 | ND |
2018-05-02 | AE24755 | ND |
2018-07-17 | AE33564 | ND |
2018-07-17 | AE33566 | ND |
2018-10-11 | AE43219 | ND |
2018-10-11 | AE43225 | ND |
2019-03-12 | AE58023 | ND |
2019-03-12 | AE58030 | ND |
2019-04-18 | AE62944 | ND |
2019-04-18 | AE62945 | ND |
2019-08-12 | AE78157 | ND |
2019-08-12 | AE77973 | ND |
2019-08-12 | AE77971 | 1.50 ppb |
2019-11-04 | AE88290 | 1.20 ppb |
2019-11-04 | AE88345 | ND |
2019-11-04 | AE88287 | ND |