Naphthalene
Galveston County Water Control and Improvement District 12
NOTE: Galveston County Water Control and Improvement District 12 purchases water from Gulf Coast Water Authority Tx City which is required to test for naphthalene. Sample information shown below was taken by Gulf Coast Water Authority Tx City.
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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Galveston County Water Control and Improvement District 12 purchases water from Gulf Coast Water Authority Tx City which is required to test for naphthalene. Sample information shown below was taken by Gulf Coast Water Authority Tx City.
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-17 | AC47186 | ND |
| 2014-07-18 | AC60287 | ND |
| 2015-01-30 | AC78871 | ND |
| 2015-07-06 | AC98433 | ND |
| 2016-01-29 | AD21264 | ND |
| 2016-09-29 | AD52080 | ND |
| 2017-01-23 | AD66221 | ND |
| 2017-07-21 | AD90384 | ND |
| 2018-05-09 | AE25803 | ND |
| 2018-07-11 | AE32989 | ND |
| 2019-01-17 | AE50483 | ND |
| 2019-07-29 | AE76192 | ND |