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National Drinking Water Database

n-Butylbenzene in California

n-Butylbenzene is an intermediate for chemical manufacturing and a raw material for liquid crystals.

The Most Polluted Communities in California

2 water utilities reported detecting n-Butylbenzene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average n-Butylbenzene level

RankSystem Population Served Positive test results of total reported tests Average Level
1Calif Correctnl Inst Tehachapi
Tehachapi, CA
5,6001 of 60.08 ppb
(0 to 0.49 ppb)
2San Gabriel Valley WC - Fontana
Fontana, CA
102,5991 of 77< 0.01 ppb
(0 to 0.28 ppb)

Health Based Limits for n-Butylbenzene

There are no health based standards that EWG is using for this chemical

Violation Summary for n-Butylbenzene in California

There are no violations reported for this contaminant in California