Know Your Environment. Protect Your Health.

Naphthalene

Harris County Municipal Utility District 58

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.

 

7

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
2021ND10ND
2022ND10ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-09AE25933ND
2018-05-09AE26011ND
2019-08-07AE77515ND
2020-07-28AF20924ND
2021-10-18AF73772ND
2022-09-28AG15264ND
2023-08-21AG53299ND