Naphthalene
Gonzales County Water Supply Corporation
NOTE: Gonzales County Water Supply Corporation purchases water from City of Gonzales which is required to test for naphthalene. Sample information shown below was taken by City of Gonzales.
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 | 10 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | ND | 16 | 0 | ND |
| 2021 | ND | 10 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 10 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Gonzales County Water Supply Corporation purchases water from City of Gonzales which is required to test for naphthalene. Sample information shown below was taken by City of Gonzales.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-08 | AE13123 | ND |
| 2018-05-03 | AE25102 | ND |
| 2018-08-16 | AE37381 | ND |
| 2019-03-05 | AE57172 | ND |
| 2019-03-05 | AE57241 | ND |
| 2019-07-12 | AE74427 | ND |
| 2020-01-21 | AE94327 | ND |
| 2020-01-21 | AE94345 | ND |
| 2020-01-21 | AE94506 | ND |
| 2020-01-21 | AE94509 | ND |
| 2020-04-13 | AF06481 | ND |
| 2020-07-07 | AF18363 | ND |
| 2020-11-13 | AF34895 | ND |
| 2021-01-13 | AF39138 | ND |
| 2021-01-13 | AF39140 | ND |
| 2021-01-13 | AF39245 | ND |
| 2022-03-11 | AF88903 | ND |
| 2022-03-11 | AF88976 | ND |
| 2022-09-30 | AG15716 | ND |
| 2023-02-27 | AG30619 | ND |
| 2023-02-27 | AG30625 | ND |
| 2023-02-27 | AG30700 | ND |
| 2023-02-27 | AG30701 | ND |