Naphthalene
Ruth Water District
NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for naphthalene. Sample information shown below was taken by Ely Municipal Water Department.
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.
Samples
Samples exceeding legal limit (MCL)
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 | 4 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for naphthalene. Sample information shown below was taken by Ely Municipal Water Department.
| Date | Lab ID | Result |
|---|---|---|
| 2018-11-08 | 18110223-007 | ND |
| 2019-11-14 | 19110404-002 | ND |
| 2019-11-14 | 19110404-003 | ND |
| 2019-11-14 | 19110404-005 | ND |
| 2019-11-21 | 19110631-001 | ND |
| 2022-05-12 | 22050451-001 | ND |
| 2022-07-07 | 22070169-002 | ND |
| 2022-07-07 | 22070169-004 | ND |
| 2023-05-10 | 380-47459-1 | ND |