Naphthalene
Harlingen Water Works System
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.
26
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 | 6 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-25 | AC48194 | ND |
| 2014-05-07 | AC53415 | ND |
| 2014-05-07 | AC53414 | ND |
| 2014-05-07 | AC53367 | ND |
| 2014-07-22 | AC60544 | ND |
| 2014-07-22 | AC60487 | ND |
| 2015-03-19 | AC85429 | ND |
| 2015-06-18 | AC96551 | ND |
| 2015-06-18 | AC96506 | ND |
| 2015-09-22 | AD08062 | ND |
| 2016-03-08 | AD27734 | ND |
| 2016-06-27 | AD41978 | ND |
| 2016-06-27 | AD41903 | ND |
| 2016-09-28 | AD52086 | ND |
| 2016-09-28 | AD52054 | ND |
| 2017-03-16 | AD75572 | ND |
| 2017-05-18 | AD84945 | ND |
| 2017-08-02 | AD91849 | ND |
| 2018-02-20 | AE14537 | ND |
| 2018-06-13 | AE29898 | ND |
| 2018-06-13 | AE29818 | ND |
| 2018-07-26 | AE34710 | ND |
| 2019-02-06 | AE53295 | ND |
| 2019-08-07 | AE77495 | ND |
| 2019-08-07 | AE77606 | ND |
| 2019-08-07 | AE77507 | ND |