p-Dichlorobenzene
Claflin, City of
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 | 5 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-02-26 | 906998 | ND |
| 2018-02-26 | 906999 | ND |
| 2018-10-21 | 1064829 | ND |
| 2018-10-21 | 1064830 | ND |
| 2018-10-21 | 1064831 | ND |
| 2019-02-25 | 1126128 | ND |
| 2019-02-25 | 1126129 | ND |
| 2019-02-25 | 1126130 | ND |
| 2019-04-15 | 1138049 | ND |
| 2019-07-16 | 1205463 | ND |
| 2019-10-15 | 1259661 | ND |
| 2020-01-27 | 1314670 | ND |
| 2020-02-25 | 1330198 | ND |
| 2020-02-25 | 1330199 | ND |
| 2020-04-14 | 1357229 | ND |
| 2020-07-14 | 1441598 | ND |
| 2021-02-23 | 1778336 | ND |
| 2021-02-23 | 1778337 | ND |
| 2021-03-16 | 1796813 | ND |
| 2021-08-17 | 1920544 | ND |
| 2021-09-21 | 1964204 | ND |
| 2021-11-16 | 2027744 | ND |
| 2022-02-15 | 2194828 | ND |
| 2022-05-24 | 2264135 | ND |
| 2022-08-30 | 2346000 | ND |
| 2022-09-20 | 2362177 | ND |
| 2022-11-29 | 2404795 | ND |
| 2023-02-27 | 2455978 | ND |
| 2023-05-24 | 2506133 | ND |
| 2023-08-30 | 2566144 | ND |
| 2023-11-28 | 2615995 | ND |