Naphthalene
Clarksville Waterworks
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.
11
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 | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-26 | 14058002301 | ND |
| 2014-03-10 | 14072007401 | ND |
| 2015-08-05 | 15218007107 | ND |
| 2015-10-20 | 15295005007 | ND |
| 2016-01-05 | 16008005301 | ND |
| 2016-02-01 | 16035000101 | ND |
| 2017-01-04 | 17005018601 | ND |
| 2018-01-03 | 18004013001 | ND |
| 2018-07-03 | 18186013907 | ND |
| 2018-10-03 | 18277019407 | ND |
| 2019-02-05 | 19038001701 | ND |