Dalapon
City of Goldsboro
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | 0.550 ppb | 2 | 1 | ND - 1.10 ppb |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-02-04 | 92188675001 | ND |
| 2014-05-06 | 92200050001SOC | ND |
| 2014-08-05 | 92212026001SOC | ND |
| 2015-05-06 | ND | |
| 2016-05-03 | 92296153001SOC | 1.10 ppb |
| 2016-08-19 | 92309520001SOC | ND |
| 2017-05-02 | 92339081002SOC | ND |
| 2018-05-01 | 92382983001SOC | ND |
| 2019-05-07 | 37729_19-18367 | ND |
| 2019-08-06 | 37729_19-32877 | ND |