Dalapon
Yorktown Water
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
28
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 14 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 14 | 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 |
|---|---|---|
| 2014-08-11 | 14226000702 | ND |
| 2014-08-11 | 14226000602 | ND |
| 2014-08-11 | 14226000402 | ND |
| 2014-08-11 | 14226000302 | ND |
| 2014-08-11 | 14226000502 | ND |
| 2014-08-11 | 14226000102 | ND |
| 2014-08-11 | 14226000202 | ND |
| 2014-10-21 | 14296009702 | ND |
| 2014-10-21 | 14296009802 | ND |
| 2014-10-21 | 14296009502 | ND |
| 2014-10-21 | 14296009902 | ND |
| 2014-10-21 | 14296009402 | ND |
| 2014-10-21 | 14296009602 | ND |
| 2014-10-21 | 14296010002 | ND |
| 2017-08-07 | 17222000902 | ND |
| 2017-08-07 | 17222001607 | ND |
| 2017-08-07 | 17222001002 | ND |
| 2017-08-07 | 17222001102 | ND |
| 2017-08-07 | 17222001202 | ND |
| 2017-08-07 | 17222001302 | ND |
| 2017-08-07 | 17222001507 | ND |
| 2017-10-17 | 17292005402 | ND |
| 2017-10-17 | 17292005502 | ND |
| 2017-10-17 | 17292005602 | ND |
| 2017-10-17 | 17292005802 | ND |
| 2017-10-17 | 17292005302 | ND |
| 2017-10-17 | 17292005702 | ND |
| 2017-10-17 | 17292005902 | ND |