Naphthalene
Galveston County Water Control and Improvement District 19
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.
7
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 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-05-18 | AE27036 | ND |
| 2019-06-12 | AE70399 | ND |
| 2019-06-12 | AE70440 | ND |
| 2021-07-01 | AF60388 | ND |
| 2022-05-13 | AF97077 | ND |
| 2022-05-13 | AF97098 | ND |
| 2023-09-11 | AG55579 | ND |