Know Your Environment. Protect Your Health.

Naphthalene

Grand Harbor 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND60ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-19AE30487ND
2018-06-19AE30463ND
2019-06-13AE70599ND
2019-06-13AE70603ND
2019-06-13AE70695ND
2019-06-13AE70696ND
2020-07-16AF19727ND
2020-07-16AF19731ND
2021-08-04AF64813ND
2021-08-04AF64809ND
2022-03-08AF88096ND
2022-03-08AF88116ND
2022-03-08AF88198ND
2022-03-08AF88199ND
2022-06-01AF99089ND
2022-09-29AG15480ND
2023-08-09AG51989ND
2023-08-09AG51991ND