Know Your Environment. Protect Your Health.

Naphthalene

Chesswood 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-29AE20608ND
2018-03-29AE20741ND
2019-02-19AE54856ND
2019-02-19AE54912ND
2019-06-13AE70617ND
2020-06-03AF13886ND
2020-06-03AF13973ND
2021-06-16AF58423ND
2021-06-16AF58448ND
2022-03-30AF91262ND
2022-03-30AF91400ND
2023-06-01AG42786ND
2023-06-01AG42882ND