Dalapon
City of New Summerfield
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | 2.50 ppb | 2 | 2 | 2.09 ppb - 2.91 ppb |
| 2023 | 1.61 ppb | 2 | 2 | 1.58 ppb - 1.63 ppb |
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 |
|---|---|---|
| 2018-10-25 | Q1843100011 | ND |
| 2018-10-25 | Q1843100012 | ND |
| 2019-03-21 | Q1911964005 | ND |
| 2019-03-21 | Q1911964011 | ND |
| 2020-03-23 | Q2012158007 | ND |
| 2020-03-23 | Q2012158008 | ND |
| 2021-03-01 | Q2105152004 | ND |
| 2021-08-12 | Q2121675006 | ND |
| 2022-02-02 | Q2203981007 | 2.91 ppb |
| 2022-02-02 | Q2203981008 | 2.09 ppb |
| 2023-04-25 | Q2315546005 | 1.63 ppb |
| 2023-04-25 | Q2315546006 | 1.58 ppb |