Dalapon
Fairfield Sapphire
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
26
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 | 2 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 11 | 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 | 7048-020414-009S | ND |
| 2014-02-04 | 7048-020414-008S | ND |
| 2015-01-27 | ND | |
| 2015-01-27 | ND | |
| 2015-01-27 | ND | |
| 2015-01-27 | ND | |
| 2015-01-27 | ND | |
| 2015-01-27 | ND | |
| 2015-01-27 | ND | |
| 2015-04-22 | ND | |
| 2016-04-19 | 7048-041916-012S | ND |
| 2017-01-10 | 7048-011017-008S | ND |
| 2017-01-10 | 7048-011017-009S | ND |
| 2018-03-12 | 7048-031218-007S | ND |
| 2018-03-12 | 7048-031218-005S | ND |
| 2018-03-14 | 7048-031418-001S | ND |
| 2018-03-14 | 7048-031418-002S | ND |
| 2018-03-14 | 7048-031418-003S | ND |
| 2018-03-14 | 7048-031418-006S | ND |
| 2018-03-22 | 7048-032218-004S | ND |
| 2018-05-08 | 7048-050818-007S | ND |
| 2018-05-08 | 7048-050818-010S | ND |
| 2018-07-10 | 7048-071018-007S | ND |
| 2018-10-09 | 7048-100918-007S | ND |
| 2019-01-07 | 7048-010719-007S | ND |
| 2019-04-03 | 7048-040319-012S | ND |