Dalapon
Westchester County WD #2
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | 0.317 ppb | 3 | 1 | ND - 0.950 ppb |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-06-05 | 1406525-001 SOC | ND |
2015-06-17 | 1506G79-001 SOC | ND |
2016-05-13 | 1605C84-001 SOC | ND |
2017-06-15 | 7021782001 SOC | 0.950 ppb |
2017-08-04 | 7026292 SOC RESA | ND |
2017-10-19 | 7033697001 SOC R | ND |
2018-05-11 | 7051465001 SOCS | ND |
2019-05-31 | 7091709001 SOCS | ND |