Know Your Environment. Protect Your Health.

Naphthalene

West Harris County Municipal Utility District 15

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND30ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-05AE16636ND
2018-03-05AE16771ND
2018-03-05AE16774ND
2018-03-05AE16632ND
2019-01-28AE51688ND
2019-01-28AE51775ND
2019-04-23AE63390ND
2019-04-23AE63419ND
2020-01-13AE93133ND
2020-01-13AE93256ND
2020-11-05AF33470ND
2021-03-09AF46042ND
2021-03-09AF46180ND
2021-04-27AF51428ND
2021-04-27AF51469ND
2022-03-01AF86930ND
2022-03-01AF86950ND
2022-03-01AF87048ND
2022-03-01AF87050ND
2023-02-22AG29960ND
2023-02-22AG29962ND
2023-02-22AG30056ND
2023-02-22AG30057ND