Dalapon
East Jefferson Waterworks District 1
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
60
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 19.4 ppb | 6 | 6 | 19.4 ppb |
| 2015 | ND | 12 | 0 | ND |
| 2016 | ND | 12 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | 1.30 ppb | 12 | 6 | ND - 2.80 ppb |
| 2019 | ND | 12 | 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 |
|---|---|---|
| 2014-01-06 | AD88200 | 19.4 ppb |
| 2014-01-06 | AD88198 | 19.4 ppb |
| 2014-01-06 | AD88200 | 19.4 ppb |
| 2014-01-06 | AD88199 | 19.4 ppb |
| 2014-01-06 | AD88198 | 19.4 ppb |
| 2014-01-06 | AD88199 | 19.4 ppb |
| 2015-02-23 | 35177313003 | ND |
| 2015-02-23 | 35177313004 | ND |
| 2015-02-23 | 35177313005 | ND |
| 2015-02-23 | 35177313005 | ND |
| 2015-02-23 | 35177313004 | ND |
| 2015-02-23 | 35177313003 | ND |
| 2015-09-30 | 35209766005 | ND |
| 2015-09-30 | 35209766004 | ND |
| 2015-09-30 | 35209766003 | ND |
| 2015-09-30 | 35209766005 | ND |
| 2015-09-30 | 35209766004 | ND |
| 2015-09-30 | 35209766003 | ND |
| 2016-01-20 | 35226299003 | ND |
| 2016-01-20 | 35226299004 | ND |
| 2016-01-20 | 35226299005 | ND |
| 2016-01-20 | 35226299005 | ND |
| 2016-01-20 | 35226299004 | ND |
| 2016-01-20 | 35226299003 | ND |
| 2016-12-07 | 35282147001 | ND |
| 2016-12-07 | 35282147002 | ND |
| 2016-12-07 | 35282147003 | ND |
| 2016-12-07 | 35282147002 | ND |
| 2016-12-07 | 35282147001 | ND |
| 2016-12-07 | 35282147003 | ND |
| 2017-02-09 | 35294515005 | ND |
| 2017-02-09 | 35294515004 | ND |
| 2017-02-09 | 35294515003 | ND |
| 2017-02-09 | 35294515003 | ND |
| 2017-02-09 | 35294515005 | ND |
| 2017-02-09 | 35294515004 | ND |
| 2018-03-15 | 35380393001 | ND |
| 2018-03-15 | 35380393002 | ND |
| 2018-03-15 | 35380393003 | ND |
| 2018-03-15 | 35380393001 | ND |
| 2018-03-15 | 35380393002 | ND |
| 2018-03-15 | 35380393003 | ND |
| 2018-08-15 | 35411635001 | 2.50 ppb |
| 2018-08-15 | 35411635003 | 2.50 ppb |
| 2018-08-15 | 35411635002 | 2.80 ppb |
| 2018-08-15 | 35411635001 | 2.50 ppb |
| 2018-08-15 | 35411635003 | 2.50 ppb |
| 2018-08-15 | 35411635002 | 2.80 ppb |
| 2019-02-27 | 35451094001 | ND |
| 2019-02-27 | 35451093001 | ND |
| 2019-02-27 | 35451088001 | ND |
| 2019-02-27 | 35451088001 | ND |
| 2019-02-27 | 35451093001 | ND |
| 2019-02-27 | 35451094001 | ND |
| 2019-08-01 | 35486654001 | ND |
| 2019-08-01 | 35486659001 | ND |
| 2019-08-01 | 35486656001 | ND |
| 2019-08-01 | 35486654001 | ND |
| 2019-08-01 | 35486659001 | ND |
| 2019-08-01 | 35486656001 | ND |