p-Dichlorobenzene
Roswell Municipal Water System
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 | 13 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 13 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-02-12 | 1402577-001A | ND |
| 2014-02-12 | 1402572-001A | ND |
| 2014-02-12 | 1402578-001A | ND |
| 2014-02-12 | 1402573-001A | ND |
| 2014-02-12 | 1402579-001A | ND |
| 2014-02-12 | 1402576-001A | ND |
| 2014-03-05 | 1403368-001A | ND |
| 2014-03-05 | 1403365-001A | ND |
| 2014-03-05 | 1403364-001A | ND |
| 2014-03-05 | 1403366-001A | ND |
| 2014-03-05 | 1403367-001A | ND |
| 2014-03-05 | 1403329-001A | ND |
| 2014-08-13 | 1408808-001A | ND |
| 2015-07-08 | 1507521-001A | ND |
| 2015-07-08 | 1507518-001A | ND |
| 2015-08-06 | 1508472-001A | ND |
| 2015-08-06 | 1508455-001A | ND |
| 2016-07-13 | 1607776-001A | ND |
| 2016-07-13 | 1607787-001A | ND |
| 2016-07-13 | 1607784-001A | ND |
| 2016-07-13 | 1607788-001A | ND |
| 2017-07-11 | 2017020122 | ND |
| 2017-07-11 | 2017020119 | ND |
| 2017-07-11 | 2017020121 | ND |
| 2017-07-11 | 2017020120 | ND |
| 2017-08-08 | 2017023137 | ND |
| 2017-08-08 | 2017023134 | ND |
| 2017-08-08 | 2017023135 | ND |
| 2017-08-08 | 2017023136 | ND |
| 2017-10-10 | 2017029394 | ND |
| 2017-10-10 | 2017029393 | ND |
| 2017-10-10 | 2017029395 | ND |
| 2017-10-10 | 2017029396 | ND |
| 2017-10-10 | 2017029392 | ND |
| 2018-07-23 | 2018020697 | ND |
| 2019-07-08 | 2019018652 | ND |