Dalapon
Buena Vista Ws Burnet
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 | 0.400 ppb | 4 | 1 | ND - 1.60 ppb |
| 2015 | 0.375 ppb | 4 | 1 | ND - 1.50 ppb |
| 2016 | 1.40 ppb | 5 | 4 | ND - 2.10 ppb |
| 2017 | 0.825 ppb | 4 | 2 | ND - 1.70 ppb |
| 2018 | 0.575 ppb | 4 | 2 | ND - 1.30 ppb |
| 2019 | 0.540 ppb | 5 | 1 | ND - 2.70 ppb |
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 |
|---|---|---|
| 2014-03-04 | AC45476 | ND |
| 2014-04-09 | AC50039 | 1.60 ppb |
| 2014-08-06 | AC62402 | ND |
| 2014-10-28 | AC70764 | ND |
| 2015-01-28 | AC78111 | ND |
| 2015-06-02 | AC94257 | ND |
| 2015-09-03 | AD05621 | ND |
| 2015-11-23 | AD14403 | 1.50 ppb |
| 2016-03-07 | AD27192 | 2.10 ppb |
| 2016-03-07 | AD27350 | ND |
| 2016-05-26 | AD38470 | 1.40 ppb |
| 2016-09-13 | AD49151 | 1.60 ppb |
| 2016-11-02 | AD56109 | 1.90 ppb |
| 2017-01-10 | AD63951 | 1.60 ppb |
| 2017-04-03 | AD78019 | 1.70 ppb |
| 2017-07-05 | AD88330 | ND |
| 2017-10-04 | AD99228 | ND |
| 2018-02-14 | AE13723 | 1.30 ppb |
| 2018-06-05 | AE28655 | ND |
| 2018-09-13 | AE39983 | ND |
| 2018-11-19 | AE46399 | 1.000 ppb |
| 2019-02-07 | AE53590 | ND |
| 2019-03-05 | AE57105 | ND |
| 2019-05-15 | AE66482 | ND |
| 2019-07-25 | AE75901 | 2.70 ppb |
| 2019-10-24 | AE87557 | ND |