Naphthalene
Canyon Regional Water Authority Hays Caldwell Water Treatment Plant
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.
12
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 | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-14 | AC63681 | ND |
| 2014-08-14 | AC63763 | ND |
| 2015-04-06 | AC87386 | ND |
| 2015-07-13 | AC99230 | ND |
| 2016-02-01 | AD21241 | ND |
| 2016-09-19 | AD50167 | ND |
| 2017-09-12 | AD95803 | ND |
| 2017-09-12 | AD95874 | ND |
| 2018-08-23 | AE38268 | ND |
| 2018-08-23 | AE38290 | ND |
| 2019-07-31 | AE76599 | ND |
| 2019-07-31 | AE76679 | ND |