Naphthalene
Harris County Municipal Utility District 163
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.
14
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 | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-31 | AC61825 | ND |
| 2015-08-18 | AD04542 | ND |
| 2015-08-18 | AD04611 | ND |
| 2016-02-11 | AD23445 | ND |
| 2016-02-11 | AD23462 | ND |
| 2016-09-28 | AD52132 | ND |
| 2016-12-05 | AD60759 | ND |
| 2017-02-06 | AD68759 | ND |
| 2017-02-06 | AD68967 | ND |
| 2017-04-24 | AD80802 | ND |
| 2018-02-06 | AE12506 | ND |
| 2018-02-06 | AE12592 | ND |
| 2019-05-23 | AE68006 | ND |
| 2019-05-23 | AE68062 | ND |