Naphthalene
Harris County Municipal Utility District 11
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.
9
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 |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-18 | AE30230 | ND |
| 2019-03-28 | AE60486 | ND |
| 2019-03-28 | AE60554 | ND |
| 2020-03-26 | AF04722 | ND |
| 2020-06-05 | AF14464 | ND |
| 2021-06-28 | AF59671 | ND |
| 2022-03-07 | AF87771 | ND |
| 2022-03-07 | AF87864 | ND |
| 2023-02-06 | AG27479 | ND |