p-Dichlorobenzene
Hynes Estates Mutual Water Company
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 | 4 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-01-04 | CA3000519_001_001-201801040900 | ND |
| 2018-04-16 | CA3000519_001_001-201804161115 | ND |
| 2018-07-03 | CA3000519_001_001-201807030935 | ND |
| 2018-10-09 | CA3000519_001_001-201810091015 | ND |
| 2019-01-08 | CA3000519_001_001-201901081130 | ND |
| 2019-04-01 | CA3000519_001_001-201904010840 | ND |
| 2019-07-01 | CA3000519_001_001-201907011000 | ND |
| 2019-07-10 | CA3000519_005_005-201907101130 | ND |
| 2019-08-22 | CA3000519_005_005-201908221035 | ND |
| 2019-08-22 | CA3000519_005_005-201908221045 | ND |
| 2019-10-02 | CA3000519_001_001-201910021000 | ND |
| 2019-11-07 | CA3000519_005_005-201911071310 | ND |
| 2020-02-04 | CA3000519_005_005-202002041035 | ND |
| 2020-02-04 | CA3000519_001_001-202002041125 | ND |
| 2020-05-05 | CA3000519_005_005-202005051010 | ND |
| 2020-05-05 | CA3000519_001_001-202005051030 | ND |
| 2020-07-07 | CA3000519_005_005-202007071000 | ND |
| 2020-08-25 | CA3000519_001_001-202008250920 | ND |
| 2020-11-17 | CA3000519_001_001-202011170900 | ND |
| 2021-02-04 | CA3000519_005_005-202102041240 | ND |
| 2021-02-04 | CA3000519_001_001-202102041225 | ND |
| 2021-04-08 | CA3000519_005_005-202104081045 | ND |
| 2021-05-03 | CA3000519_001_001-202105030805 | ND |
| 2021-08-03 | CA3000519_005_005-202108031005 | ND |
| 2021-09-08 | CA3000519_001_001-202109081005 | ND |
| 2021-10-21 | CA3000519_005_005-202110211000 | ND |
| 2021-10-21 | CA3000519_001_001-202110211020 | ND |
| 2022-01-18 | CA3000519_005_005-202201180940 | ND |
| 2022-02-17 | CA3000519_001_001-202202170930 | ND |
| 2022-04-19 | CA3000519_001_001-202204191035 | ND |
| 2022-04-19 | CA3000519_005_005-202204191050 | ND |
| 2022-07-05 | CA3000519_001_001-202207050930 | ND |
| 2022-07-05 | CA3000519_005_005-202207050940 | ND |
| 2022-10-13 | CA3000519_001_001-202210130945 | ND |
| 2022-10-13 | CA3000519_005_005-202210130930 | ND |
| 2023-02-01 | CA3000519_001_001-202302011115 | ND |
| 2023-02-01 | CA3000519_005_005-202302010915 | ND |
| 2023-04-24 | CA3000519_001_001-202304240955 | ND |
| 2023-04-24 | CA3000519_005_005-202304241030 | ND |
| 2023-07-13 | CA3000519_001_001-202307131010 | ND |
| 2023-07-13 | CA3000519_005_005-202307131025 | ND |
| 2023-11-08 | CA3000519_005_005-202311080935 | ND |