Know Your Environment. Protect Your Health.

Naphthalene

Harris County Municipal Utility District 5

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND20ND
2023ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-02AE24843ND
2018-05-02AE24890ND
2019-02-06AE53204ND
2020-02-21AE99549ND
2021-02-02AF42236ND
2021-06-18AF58967ND
2022-09-16AG13632ND
2022-11-30AG20307ND
2023-02-13AG28599ND
2023-05-09AG39751ND
2023-08-22AG53541ND