Naphthalene
El Dorado 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-29 | 14121002702 | ND |
2014-11-12 | 14317002902 | ND |
2015-05-27 | 15148009202 | ND |
2015-07-14 | 15197006407 | ND |
2015-07-14 | 15197006207 | ND |
2015-11-04 | 15309004507 | ND |
2015-11-04 | 15309004407 | ND |
2016-04-11 | 16105004602 | ND |
2017-06-13 | 17166001602 | ND |
2017-10-11 | 17285000502 | ND |
2018-04-30 | 18123005702 | ND |
2018-07-30 | 18214001007 | ND |
2018-09-24 | 18270001601 | ND |
2018-10-10 | 18284000607 | ND |
2018-10-10 | 18284000507 | ND |
2019-05-13 | 19136000402 | ND |