Naphthalene
Rison Waterworks
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.
22
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 |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-05 | 14037002909 | ND |
| 2014-02-05 | 14037002907 | ND |
| 2014-02-05 | 14037002807 | ND |
| 2014-05-05 | 14128006507 | ND |
| 2014-05-05 | 14128006607 | ND |
| 2014-05-05 | 14128006609 | ND |
| 2014-11-19 | 14324008001 | ND |
| 2015-12-01 | 15337001701 | ND |
| 2016-01-25 | 16028003201 | ND |
| 2016-04-25 | 16119004101 | ND |
| 2016-05-02 | 16126015701 | ND |
| 2016-09-12 | 16259004101 | ND |
| 2016-10-17 | 16294003301 | ND |
| 2016-10-17 | 16294003401 | ND |
| 2017-02-21 | 17054000701 | ND |
| 2017-02-21 | 17054000601 | ND |
| 2017-06-07 | 17158001807 | ND |
| 2017-06-07 | 17158001907 | ND |
| 2017-10-04 | 17278011402 | ND |
| 2018-10-23 | 18298000501 | ND |
| 2019-10-22 | 19297000201 | ND |
| 2019-10-22 | 19297000301 | ND |