Know Your Environment. Protect Your Health.

Naphthalene

Medina Valley Water Supply Company

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
2019ND20ND
2020ND10ND
2021ND10ND
2022ND20ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-13AE22523ND
2019-10-02AE85696ND
2019-10-02AE85709ND
2020-07-06AF18178ND
2021-11-16AF76814ND
2022-10-13AG17030ND
2022-10-13AG17088ND
2023-03-28AG34421ND
2023-05-30AG42354ND