Naphthalene
Harris County Municipal Utility District 152
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.
16
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 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-06-03 | AC94419 | ND |
| 2015-06-03 | AC94421 | ND |
| 2015-06-03 | AC94479 | ND |
| 2015-06-03 | AC94477 | ND |
| 2016-03-23 | AD30177 | ND |
| 2016-05-18 | AD37368 | ND |
| 2016-10-18 | AD53629 | ND |
| 2016-12-06 | AD60764 | ND |
| 2017-01-30 | AD67525 | ND |
| 2017-01-30 | AD67678 | ND |
| 2018-05-03 | AE25120 | ND |
| 2018-05-03 | AE25122 | ND |
| 2018-05-03 | AE25165 | ND |
| 2018-05-03 | AE25172 | ND |
| 2019-08-15 | AE78994 | ND |
| 2019-08-15 | AE79058 | ND |