Dalapon
City of Goldthwaite
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
51
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 |
|---|---|---|---|---|
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 10 | 0 | ND |
| 2020 | ND | 11 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 9 | 0 | ND |
| 2023 | ND | 8 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-01-18 | AE09243 | ND |
| 2018-04-30 | AE24379 | ND |
| 2018-08-23 | AE38264 | ND |
| 2018-10-01 | AE42181 | ND |
| 2018-10-01 | AE42182 | ND |
| 2019-02-28 | AE56539 | ND |
| 2019-02-28 | AE56540 | ND |
| 2019-05-02 | AE64586 | ND |
| 2019-05-02 | AE64616 | ND |
| 2019-05-02 | AE64713 | ND |
| 2019-08-06 | AE77188 | ND |
| 2019-08-06 | AE77193 | ND |
| 2019-10-22 | AE87183 | ND |
| 2019-10-22 | AE87182 | ND |
| 2019-11-20 | AE90008 | ND |
| 2020-01-16 | AE93937 | ND |
| 2020-01-16 | AE93940 | ND |
| 2020-01-16 | AE94053 | ND |
| 2020-04-07 | AF05854 | ND |
| 2020-04-07 | AF05855 | ND |
| 2020-05-04 | AF09185 | ND |
| 2020-07-07 | AF18202 | ND |
| 2020-07-07 | AF18204 | ND |
| 2020-07-07 | AF18231 | ND |
| 2020-11-09 | AF33586 | ND |
| 2020-11-09 | AF33585 | ND |
| 2021-03-01 | AF44617 | ND |
| 2021-03-01 | AF44619 | ND |
| 2021-04-12 | AF49753 | ND |
| 2021-04-12 | AF49754 | ND |
| 2021-07-08 | AF61063 | ND |
| 2021-07-08 | AF61065 | ND |
| 2021-10-07 | AF72534 | ND |
| 2021-10-07 | AF72535 | ND |
| 2022-01-27 | AF82194 | ND |
| 2022-01-27 | AF82196 | ND |
| 2022-01-27 | AF82314 | ND |
| 2022-04-14 | AF93350 | ND |
| 2022-04-14 | AF93349 | ND |
| 2022-07-14 | AG04679 | ND |
| 2022-07-14 | AG04682 | ND |
| 2022-10-20 | AG17781 | ND |
| 2022-10-20 | AG17782 | ND |
| 2023-01-11 | AG24002 | ND |
| 2023-01-11 | AG24004 | ND |
| 2023-04-06 | AG35773 | ND |
| 2023-04-06 | AG35776 | ND |
| 2023-08-23 | AG53661 | ND |
| 2023-08-23 | AG53663 | ND |
| 2023-10-25 | AG61034 | ND |
| 2023-10-25 | AG61035 | ND |