Naphthalene
El Dorado Utility District
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.
27
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 | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-23 | AE27494 | ND |
| 2018-05-23 | AE27592 | ND |
| 2018-05-23 | AE27595 | ND |
| 2018-05-23 | AE27472 | ND |
| 2019-11-07 | AE88917 | ND |
| 2019-11-07 | AE88949 | ND |
| 2019-11-07 | AE88974 | ND |
| 2019-11-07 | AE88975 | ND |
| 2020-09-03 | AF26496 | ND |
| 2020-09-03 | AF26498 | ND |
| 2020-09-03 | AF26556 | ND |
| 2020-09-03 | AF26557 | ND |
| 2021-07-28 | AF63803 | ND |
| 2021-07-28 | AF63895 | ND |
| 2021-07-28 | AF63879 | ND |
| 2021-07-28 | AF63797 | ND |
| 2021-11-01 | AF75259 | ND |
| 2022-02-18 | AF85728 | ND |
| 2022-02-18 | AF85729 | ND |
| 2022-03-25 | AF90742 | ND |
| 2022-03-25 | AF90744 | ND |
| 2022-05-23 | AF98024 | ND |
| 2022-08-23 | AG10530 | ND |
| 2023-06-29 | AG46796 | ND |
| 2023-06-29 | AG46798 | ND |
| 2023-06-29 | AG46876 | ND |
| 2023-06-29 | AG46877 | ND |