Naphthalene
Cherry Valley/ Rochdale Water District
NOTE: Cherry Valley/ Rochdale Water District purchases water from Worcester Department of Public Works which is required to test for naphthalene. Sample information shown below was taken by Worcester Department of Public Works.
Naphthalene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators, and also used as a moth repellent. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Cherry Valley/ Rochdale Water District purchases water from Worcester Department of Public Works which is required to test for naphthalene. Sample information shown below was taken by Worcester Department of Public Works.
| Date | Result |
|---|---|
| 2015-05-28 | ND |
| 2016-05-24 | ND |
| 2016-06-22 | ND |
| 2016-07-04 | ND |
| 2017-02-21 | ND |
| 2017-05-10 | ND |