Know Your Environment. Protect Your Health.

Naphthalene

Lcra Harper Water System

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-26AE15411ND
2019-06-13AE70597ND
2020-03-11AF02286ND
2020-03-11AF02368ND
2020-05-21Q2021336001ND
2021-06-22AF59059ND
2022-03-29AF91035ND
2023-04-19AG37349ND
2023-04-19AG37419ND