Naphthalene
Grand Lakes Municipal Utility District 4
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.
23
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 | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-17 | AE33601 | ND |
| 2018-07-17 | AE33650 | ND |
| 2018-07-17 | AE33654 | ND |
| 2018-07-17 | AE33595 | ND |
| 2019-04-12 | AE62293 | ND |
| 2019-04-12 | AE62303 | ND |
| 2019-05-07 | AE65250 | ND |
| 2020-06-24 | AF16785 | ND |
| 2020-06-24 | AF16791 | ND |
| 2020-06-24 | AF16868 | ND |
| 2021-06-21 | AF58889 | ND |
| 2021-06-21 | AF58959 | ND |
| 2021-06-21 | AF58958 | ND |
| 2021-06-21 | AF58887 | ND |
| 2021-09-17 | AF70510 | ND |
| 2022-01-21 | AF81329 | ND |
| 2022-01-21 | AF81331 | ND |
| 2022-01-21 | AF81443 | ND |
| 2022-01-21 | AF81444 | ND |
| 2023-07-20 | AG49589 | ND |
| 2023-07-20 | AG49591 | ND |
| 2023-07-20 | AG49695 | ND |
| 2023-07-20 | AG49700 | ND |