Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Naphthalene

City of League City

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.

MORE ABOUT THIS CONTAMINANT

 

61

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND140ND
2016ND70ND
2017ND80ND
2018ND90ND
2019ND150ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-06AC41749ND
2014-04-30AC52461ND
2014-04-30AC52354ND
2014-04-30AC52356ND
2014-08-19AC64318ND
2014-08-19AC64387ND
2014-12-15AC75122ND
2014-12-15AC75173ND
2015-01-29AC78569ND
2015-01-29AC78570ND
2015-01-29AC78507ND
2015-01-29AC78501ND
2015-03-30AC86539ND
2015-03-30AC86557ND
2015-03-30AC86676ND
2015-06-16AC96218ND
2015-06-16AC96198ND
2015-06-16AC96219ND
2015-06-16AC96204ND
2015-06-16AC96202ND
2015-08-05AD02635ND
2015-10-21AD11338ND
2016-01-28AD20845ND
2016-01-28AD20843ND
2016-01-28AD20842ND
2016-01-28AD20756ND
2016-01-28AD20758ND
2016-01-28AD20754ND
2016-01-28AD20760ND
2017-01-31AD67950ND
2017-01-31AD67890ND
2017-05-02AD82270ND
2017-05-02AD82269ND
2017-05-02AD82176ND
2017-05-02AD82194ND
2017-09-19AD96959ND
2017-09-19AD96842ND
2018-01-29AE11105ND
2018-01-29AE11104ND
2018-01-29AE11008ND
2018-01-29AE11010ND
2018-01-29AE11004ND
2018-03-23AE20074ND
2018-03-23AE19936ND
2018-12-06AE48210ND
2018-12-06AE48248ND
2019-01-23AE51052ND
2019-01-23AE51047ND
2019-01-23AE51051ND
2019-01-23AE50967ND
2019-01-23AE50959ND
2019-01-23AE50969ND
2019-04-10AE61907ND
2019-04-10AE61814ND
2019-07-16AE74729ND
2019-07-16AE74662ND
2019-07-16AE74658ND
2019-10-15AE86663ND
2019-10-15AE86690ND
2019-10-15AE86665ND
2019-10-15AE86694ND