Know Your Environment. Protect Your Health.

Naphthalene

Grand Lakes Municipal Utility District 4

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
2019ND30ND
2020ND30ND
2021ND50ND
2022ND40ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-17AE33601ND
2018-07-17AE33650ND
2018-07-17AE33654ND
2018-07-17AE33595ND
2019-04-12AE62293ND
2019-04-12AE62303ND
2019-05-07AE65250ND
2020-06-24AF16785ND
2020-06-24AF16791ND
2020-06-24AF16868ND
2021-06-21AF58889ND
2021-06-21AF58959ND
2021-06-21AF58958ND
2021-06-21AF58887ND
2021-09-17AF70510ND
2022-01-21AF81329ND
2022-01-21AF81331ND
2022-01-21AF81443ND
2022-01-21AF81444ND
2023-07-20AG49589ND
2023-07-20AG49591ND
2023-07-20AG49695ND
2023-07-20AG49700ND