Know Your Environment. Protect Your Health.

Naphthalene

Harris County Municipal Utility District 62

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.

 

10

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
2019N/A00N/A
2020ND30ND
2021ND50ND
2022ND10ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2020-09-21AF27937ND
2020-11-05AF33468ND
2020-11-05AF33549ND
2021-03-09AF46040ND
2021-03-09AF46184ND
2021-04-20AF50722ND
2021-06-11AF57939ND
2021-07-23AF63399ND
2022-06-08AG00020ND
2023-06-12AG43991ND