Naphthalene
San Antonio Water System Northeast
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 7 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 3 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-09-02 | AC65451 | ND |
2014-09-02 | AC65490 | ND |
2015-07-08 | AC98818 | ND |
2015-07-08 | AC98819 | ND |
2015-07-08 | AC98747 | ND |
2015-07-08 | AC98753 | ND |
2015-07-08 | AC98749 | ND |
2015-07-09 | AC99017 | ND |
2015-07-09 | AC98996 | ND |
2017-12-04 | AE06578 | ND |
2017-12-13 | AE07732 | ND |
2017-12-13 | AE07674 | ND |
2018-03-15 | AE18626 | ND |
2018-03-26 | AE20084 | ND |
2018-03-26 | AE19964 | ND |
2018-05-10 | AE26002 | ND |
2018-05-10 | AE25999 | ND |
2018-05-10 | AE25967 | ND |
2018-05-10 | AE25965 | ND |
2019-04-22 | AE63213 | ND |
2019-04-22 | AE63205 | ND |