Naphthalene
Stanley Lake Municipal 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.
39
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 | 7 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 9 | 0 | ND |
| 2023 | ND | 8 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-20 | AE14459 | ND |
| 2018-02-20 | AE14532 | ND |
| 2018-02-20 | AE14546 | ND |
| 2018-02-20 | AE14433 | ND |
| 2019-03-04 | AE56885 | ND |
| 2019-03-04 | AE56889 | ND |
| 2019-03-04 | AE57022 | ND |
| 2020-08-11 | AF22870 | ND |
| 2020-08-11 | AF22976 | ND |
| 2020-08-11 | AF22975 | ND |
| 2020-08-11 | AF22872 | ND |
| 2020-08-11 | AF22868 | ND |
| 2020-11-20 | AF35494 | ND |
| 2020-11-20 | AF35551 | ND |
| 2021-01-14 | AF39639 | ND |
| 2021-01-14 | AF39638 | ND |
| 2021-01-14 | AF39637 | ND |
| 2021-01-14 | AF39560 | ND |
| 2021-01-14 | AF39546 | ND |
| 2021-01-14 | AF39570 | ND |
| 2021-04-14 | AF50172 | ND |
| 2021-04-14 | AF50216 | ND |
| 2022-08-04 | AG07883 | ND |
| 2022-08-04 | AG07885 | ND |
| 2022-08-04 | AG07889 | ND |
| 2022-08-04 | AG07891 | ND |
| 2022-08-04 | AG07987 | ND |
| 2022-08-04 | AG07989 | ND |
| 2022-10-18 | AG17399 | ND |
| 2022-10-18 | AG17475 | ND |
| 2022-10-18 | AG17401 | ND |
| 2023-01-25 | AG26238 | ND |
| 2023-01-25 | AG26240 | ND |
| 2023-01-25 | AG26244 | ND |
| 2023-01-25 | AG26258 | ND |
| 2023-01-25 | AG26347 | ND |
| 2023-01-25 | AG26348 | ND |
| 2023-04-10 | AG36106 | ND |
| 2023-04-10 | AG36142 | ND |