Naphthalene
Harris County Municipal Utility District 62
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.
10
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-09-21 | AF27937 | ND |
| 2020-11-05 | AF33468 | ND |
| 2020-11-05 | AF33549 | ND |
| 2021-03-09 | AF46040 | ND |
| 2021-03-09 | AF46184 | ND |
| 2021-04-20 | AF50722 | ND |
| 2021-06-11 | AF57939 | ND |
| 2021-07-23 | AF63399 | ND |
| 2022-06-08 | AG00020 | ND |
| 2023-06-12 | AG43991 | ND |