Naphthalene
North Alamo Water Supply Company
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.
73
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 | 13 | 0 | ND |
| 2015 | ND | 12 | 0 | ND |
| 2016 | ND | 12 | 0 | ND |
| 2017 | ND | 12 | 0 | ND |
| 2018 | ND | 12 | 0 | ND |
| 2019 | ND | 12 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-25 | AC44582 | ND |
| 2014-02-25 | AC44583 | ND |
| 2014-02-25 | AC44591 | ND |
| 2014-05-06 | AC53198 | ND |
| 2014-06-17 | AC57132 | ND |
| 2014-06-17 | AC57095 | ND |
| 2014-06-17 | AC57126 | ND |
| 2014-06-17 | AC57101 | ND |
| 2014-09-22 | AC67643 | ND |
| 2014-09-22 | AC67625 | ND |
| 2014-09-22 | AC67631 | ND |
| 2014-09-22 | AC67635 | ND |
| 2014-09-22 | AC67641 | ND |
| 2015-02-03 | AC79098 | ND |
| 2015-02-03 | AC79048 | ND |
| 2015-02-03 | AC79095 | ND |
| 2015-02-03 | AC79099 | ND |
| 2015-02-03 | AC79096 | ND |
| 2015-02-03 | AC79097 | ND |
| 2015-03-11 | AC83854 | ND |
| 2015-07-15 | AC99685 | ND |
| 2015-07-15 | AC99705 | ND |
| 2015-07-15 | AC99711 | ND |
| 2015-07-15 | AC99695 | ND |
| 2015-07-15 | AC99679 | ND |
| 2016-01-27 | AD20527 | ND |
| 2016-01-27 | AD20525 | ND |
| 2016-04-27 | AD34517 | ND |
| 2016-04-27 | AD34518 | ND |
| 2016-06-06 | AD39494 | ND |
| 2016-08-03 | AD46885 | ND |
| 2016-08-03 | AD46889 | ND |
| 2016-08-03 | AD46887 | ND |
| 2016-08-03 | AD46901 | ND |
| 2016-08-03 | AD46903 | ND |
| 2016-11-16 | AD58353 | ND |
| 2016-11-16 | AD58390 | ND |
| 2017-01-11 | AD64523 | ND |
| 2017-01-11 | AD64522 | ND |
| 2017-02-07 | AD69396 | ND |
| 2017-02-07 | AD69397 | ND |
| 2017-04-20 | AD80490 | ND |
| 2017-07-11 | AD88933 | ND |
| 2017-07-11 | AD88925 | ND |
| 2017-07-11 | AD88929 | ND |
| 2017-07-11 | AD88931 | ND |
| 2017-07-11 | AD88927 | ND |
| 2017-10-03 | AD99134 | ND |
| 2017-10-03 | AD99099 | ND |
| 2018-01-23 | AE09980 | ND |
| 2018-01-23 | AE09960 | ND |
| 2018-01-23 | AE09959 | ND |
| 2018-04-10 | AE21932 | ND |
| 2018-04-10 | AE21934 | ND |
| 2018-07-11 | AE32981 | ND |
| 2018-07-11 | AE32983 | ND |
| 2018-07-11 | AE32985 | ND |
| 2018-07-11 | AE32987 | ND |
| 2018-07-11 | AE32979 | ND |
| 2018-11-06 | AE45485 | ND |
| 2018-11-06 | AE45439 | ND |
| 2019-02-12 | AE54180 | ND |
| 2019-02-12 | AE54181 | ND |
| 2019-04-30 | AE64175 | ND |
| 2019-04-30 | AE64173 | ND |
| 2019-04-30 | AE64174 | ND |
| 2019-09-03 | AE81779 | ND |
| 2019-09-03 | AE81759 | ND |
| 2019-09-03 | AE81755 | ND |
| 2019-09-03 | AE81773 | ND |
| 2019-09-03 | AE81775 | ND |
| 2019-11-05 | AE88496 | ND |
| 2019-11-05 | AE88524 | ND |