p-Dichlorobenzene
Tangipahoa Parish Water District
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 |
|---|---|---|---|---|
| 2018 | ND | 22 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 8 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-01-29 | 35371217004 | ND |
| 2018-01-29 | 35371217003 | ND |
| 2018-01-29 | 35371217002 | ND |
| 2018-01-29 | 35371217001 | ND |
| 2018-01-29 | 35371217001 | ND |
| 2018-01-29 | 35371217002 | ND |
| 2018-01-29 | 35371217003 | ND |
| 2018-01-29 | 35371217004 | ND |
| 2018-05-07 | 35391332001 | ND |
| 2018-05-07 | 35391332002 | ND |
| 2018-05-07 | 35391332002 | ND |
| 2018-05-07 | 35391332001 | ND |
| 2018-12-03 | 35434998002 | ND |
| 2018-12-03 | 35434998005 | ND |
| 2018-12-03 | 35434998003 | ND |
| 2018-12-03 | 35434998002 | ND |
| 2018-12-03 | 35434998001 | ND |
| 2018-12-03 | 35434998005 | ND |
| 2018-12-03 | 35434998004 | ND |
| 2018-12-03 | 35434998003 | ND |
| 2018-12-03 | 35434998001 | ND |
| 2018-12-03 | 35434998004 | ND |
| 2020-03-02 | 35535343001 | ND |
| 2020-11-16 | 35593782003 | ND |
| 2020-11-16 | 35593782004 | ND |
| 2020-11-16 | 35593782005 | ND |
| 2020-11-16 | 35593782006 | ND |
| 2020-11-16 | 35593782001 | ND |
| 2020-11-16 | 35593782002 | ND |
| 2021-11-01 | 35675416004 | ND |
| 2021-11-01 | 35675416005 | ND |
| 2021-11-01 | 35675416003 | ND |
| 2021-11-01 | 35675416002 | ND |
| 2021-11-01 | 35675416001 | ND |
| 2023-03-28 | 35789166001 | ND |
| 2023-10-25 | 35837335001 | ND |
| 2023-10-25 | 35837335002 | ND |
| 2023-11-06 | 35840552001 | ND |
| 2023-11-06 | 35840552002 | ND |
| 2023-11-06 | 35840552003 | ND |
| 2023-11-06 | 35840552004 | ND |
| 2023-11-06 | 35840552005 | ND |