Know Your Environment. Protect Your Health.

Naphthalene

Harris County Water Control and Improvement District 96

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
2020ND60ND
2021ND20ND
2022ND20ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-08-13AE78335ND
2019-08-13AE78394ND
2019-10-07AE85818ND
2019-10-07AE85832ND
2020-02-05AE97121ND
2020-02-05AE97176ND
2020-06-03AF13914ND
2020-06-03AF13971ND
2020-08-26AF25421ND
2020-11-30AF35852ND
2021-02-23AF43925ND
2021-02-23AF44015ND
2022-06-21AG01691ND
2022-06-21AG01785ND
2023-09-05AG54842ND
2023-09-05AG54913ND