p-Dichlorobenzene
East Jefferson Waterworks District 1
p-Dichlorobenzene is a carcinogenic insecticide used in mothballs, and added to deodorant blocks made for trash cans and toilets. Long-term exposure can cause liver damage and kidney problems.
Samples
Samples exceeding legal limit (MCL)
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 | ND | 12 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 12 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 6 ppb
The EWG Health Guideline of 6 ppb for p-dichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
EPA Maximum Contaminant
Level (MCL) 75 ppb
The legal limit for p-dichlorobenzene, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1980s. This limit may not fully protect against the risk of cancer due to p-dichlorobenzene exposure.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-06 | AD88200 | ND |
| 2014-01-06 | AD88198 | ND |
| 2014-01-06 | AD88200 | ND |
| 2014-01-06 | AD88199 | ND |
| 2014-01-06 | AD88198 | ND |
| 2014-01-06 | AD88199 | ND |
| 2014-03-13 | AD89684 | ND |
| 2014-03-13 | AD89685 | ND |
| 2014-03-13 | AD89686 | ND |
| 2014-03-13 | AD89686 | ND |
| 2014-03-13 | AD89685 | ND |
| 2014-03-13 | AD89684 | ND |
| 2015-02-23 | 35177313005 | ND |
| 2015-02-23 | 35177313003 | ND |
| 2015-02-23 | 35177313004 | ND |
| 2015-02-23 | 35177313005 | ND |
| 2015-02-23 | 35177313004 | ND |
| 2015-02-23 | 35177313003 | ND |
| 2016-01-20 | 35226299004 | ND |
| 2016-01-20 | 35226299003 | ND |
| 2016-01-20 | 35226299004 | ND |
| 2016-01-20 | 35226299005 | ND |
| 2016-01-20 | 35226299005 | ND |
| 2016-01-20 | 35226299003 | ND |
| 2017-02-09 | 35294515003 | ND |
| 2017-02-09 | 35294515004 | ND |
| 2017-02-09 | 35294515005 | ND |
| 2017-02-09 | 35294515005 | ND |
| 2017-02-09 | 35294515004 | ND |
| 2017-02-09 | 35294515003 | ND |
| 2018-03-15 | 35380393001 | ND |
| 2018-03-15 | 35380393003 | ND |
| 2018-03-15 | 35380393002 | ND |
| 2018-03-15 | 35380393001 | ND |
| 2018-03-15 | 35380393003 | ND |
| 2018-03-15 | 35380393002 | ND |
| 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 |
| 2019-09-05 | 35495383001 | ND |
| 2019-09-05 | 35495383003 | ND |
| 2019-09-05 | 35495383002 | ND |
| 2019-09-05 | 35495383001 | ND |
| 2019-09-05 | 35495383003 | ND |
| 2019-09-05 | 35495383002 | ND |