Naphthalene
Roy City Water System
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2016-02-04 | ND |
| 2016-02-04 | ND |
| 2016-02-04 | ND |
| 2016-02-04 | ND |
| 2016-06-22 | ND |
| 2017-03-17 | ND |
| 2018-03-20 | ND |
| 2019-01-15 | ND |
| 2019-01-15 | ND |
| 2019-01-15 | ND |
| 2019-06-19 | ND |