Naphthalene
Harvard Water Department
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.
14
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-06-10 | ND |
| 2014-06-10 | ND |
| 2015-05-12 | ND |
| 2015-05-12 | ND |
| 2016-05-03 | ND |
| 2016-05-03 | ND |
| 2017-06-14 | ND |
| 2017-06-14 | ND |
| 2018-05-01 | ND |
| 2018-05-01 | ND |
| 2019-04-22 | ND |
| 2019-04-22 | ND |
| 2019-07-17 | ND |
| 2019-07-26 | ND |