Know Your Environment. Protect Your Health.

Naphthalene

Western Hills 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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND40ND
2020ND40ND
20210.0711 ppb91ND - 0.640 ppb
2022ND40ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-18AE40735ND
2018-09-18AE40745ND
2018-09-18AE40749ND
2018-09-18AE40868ND
2018-09-18AE40869ND
2018-09-18AE40870ND
2018-09-18AE40871ND
2018-09-18AE40729ND
2019-06-17AE71118ND
2019-06-17AE71138ND
2019-06-17AE71098ND
2019-06-17AE71090ND
2020-06-15AF15206ND
2020-06-15AF15208ND
2020-06-15AF15210ND
2020-06-15AF15214ND
2021-08-03AF64447ND
2021-08-03AF64583ND
2021-08-03AF64575ND
2021-08-03AF645740.640 ppb
2021-08-03AF64571ND
2021-08-03AF64455ND
2021-08-03AF64451ND
2021-09-23AF71029ND
2021-10-14AF73603ND
2022-03-22AF90050ND
2022-03-22AF90052ND
2022-03-22AF90054ND
2022-10-04AG15920ND
2023-07-12AG48162ND
2023-07-12AG48172ND
2023-07-12AG48178ND
2023-07-12AG48180ND