Naphthalene
City of Kerrville
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.
67
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 11 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 21 | 0 | ND |
| 2018 | ND | 15 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-10 | AC42045 | ND |
| 2014-07-16 | AC59841 | ND |
| 2014-10-15 | AC69763 | ND |
| 2015-01-28 | AC78283 | ND |
| 2015-01-28 | AC78284 | ND |
| 2015-04-15 | AC88477 | ND |
| 2015-04-15 | AC88380 | ND |
| 2015-07-20 | AD00201 | ND |
| 2015-07-20 | AD00203 | ND |
| 2015-08-14 | AD04451 | ND |
| 2015-08-14 | AD04432 | ND |
| 2015-08-14 | AD04452 | ND |
| 2015-08-14 | AD04428 | ND |
| 2015-08-14 | AD04430 | ND |
| 2016-02-01 | AD21129 | ND |
| 2016-02-01 | AD21273 | ND |
| 2016-02-01 | AD21266 | ND |
| 2016-04-18 | AD33348 | ND |
| 2016-07-05 | AD42974 | ND |
| 2016-07-05 | AD42962 | ND |
| 2016-10-24 | AD54448 | ND |
| 2016-10-24 | AD54358 | ND |
| 2017-02-13 | AD70497 | ND |
| 2017-04-06 | AD78768 | ND |
| 2017-05-08 | AD83181 | ND |
| 2017-05-08 | AD83088 | ND |
| 2017-05-08 | AD83086 | ND |
| 2017-05-09 | AD83440 | ND |
| 2017-05-09 | AD83439 | ND |
| 2017-05-09 | AD83357 | ND |
| 2017-05-09 | AD83359 | ND |
| 2017-05-09 | AD83355 | ND |
| 2017-07-05 | AD88368 | ND |
| 2017-07-05 | AD88369 | ND |
| 2017-07-05 | AD88367 | ND |
| 2017-07-05 | AD88337 | ND |
| 2017-07-05 | AD88335 | ND |
| 2017-07-05 | AD88333 | ND |
| 2017-07-05 | AD88339 | ND |
| 2017-10-09 | AD99914 | ND |
| 2017-10-09 | AD99915 | ND |
| 2017-10-09 | AD99820 | ND |
| 2017-10-09 | AD99818 | ND |
| 2018-01-08 | AE08201 | ND |
| 2018-01-08 | AE08191 | ND |
| 2018-01-08 | AE08190 | ND |
| 2018-01-08 | AE08106 | ND |
| 2018-01-08 | AE08108 | ND |
| 2018-03-22 | AE19623 | ND |
| 2018-03-22 | AE19736 | ND |
| 2018-07-16 | AE33381 | ND |
| 2018-10-01 | AE42289 | ND |
| 2018-10-01 | AE42290 | ND |
| 2018-10-01 | AE42291 | ND |
| 2018-10-01 | AE42259 | ND |
| 2018-10-01 | AE42263 | ND |
| 2018-10-01 | AE42265 | ND |
| 2018-10-01 | AE42261 | ND |
| 2019-01-14 | AE49688 | ND |
| 2019-01-14 | AE49587 | ND |
| 2019-01-14 | AE49579 | ND |
| 2019-04-08 | AE61490 | ND |
| 2019-04-08 | AE61438 | ND |
| 2019-04-08 | AE61434 | ND |
| 2019-07-15 | AE74449 | ND |
| 2019-07-15 | AE74443 | ND |
| 2019-10-03 | AE85692 | ND |