Dalapon
North Penn Water Authority
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 | 24 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 28 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-04-22 | 14030712-01 | ND |
2014-04-22 | 14040590-01 | ND |
2014-04-22 | 14040589-01 | ND |
2014-04-22 | 14030715-01 | ND |
2014-04-22 | 14030714-01 | ND |
2014-04-28 | 14040582-01 | ND |
2014-04-29 | 14030716-01 | ND |
2014-04-29 | 14030720-01 | ND |
2014-04-29 | 14030718-01 | ND |
2014-05-19 | 14041348-01 | ND |
2014-06-09 | 14060593-01 | ND |
2014-06-09 | 14060589-01 | ND |
2014-07-07 | 14070787-001 | ND |
2014-07-07 | 14070804-001 | ND |
2014-07-07 | 14070809-001 | ND |
2014-07-07 | 14070812-001 | ND |
2014-07-07 | 14070808-001 | ND |
2014-07-21 | 14072516-001 | ND |
2014-07-21 | 14072521-001 | ND |
2014-08-04 | 14080384-001 | ND |
2014-08-25 | 14082298-01 | ND |
2014-08-25 | 14082297-01 | ND |
2014-08-25 | 14082295-01 | ND |
2014-08-25 | 14082296-01 | ND |
2015-07-02 | 13013243 | ND |
2015-12-09 | 13633923 | ND |
2016-08-23 | 14907917 | ND |
2016-11-02 | 15226744 | ND |
2017-02-22 | 15795481 | ND |
2017-04-05 | 15937192 | ND |
2017-04-05 | 15937050 | ND |
2017-04-05 | 15937014 | ND |
2017-04-05 | 15937157 | ND |
2017-04-05 | 15937111 | ND |
2017-04-05 | 15936979 | ND |
2017-04-05 | 15937085 | ND |
2017-04-19 | 15937936 | ND |
2017-04-19 | 15937864 | ND |
2017-04-19 | 15938008 | ND |
2017-04-19 | 15938044 | ND |
2017-04-19 | 15937972 | ND |
2017-04-19 | 15937900 | ND |
2017-07-12 | 16414002 | ND |
2017-07-12 | 16414109 | ND |
2017-07-12 | 16413931 | ND |
2017-07-12 | 16413966 | ND |
2017-07-12 | 16414037 | ND |
2017-07-12 | 16413896 | ND |
2017-07-12 | 16414073 | ND |
2017-07-17 | 16414180 | ND |
2017-07-17 | 16414144 | ND |
2017-07-17 | 16414324 | ND |
2017-07-17 | 16414216 | ND |
2017-07-17 | 16414252 | ND |
2017-07-17 | 16414288 | ND |
2017-10-09 | 16880771 | ND |