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National Drinking Water Database


1,3,5-Trimethylbenzene in California


1,3,5-Trimethylbenzene is a gasoline hydrocarbon and industrial chemical used in building materials, furnishings and chemical manufacturing. [read more]

The Most Polluted Communities in California

6 water utilities reported detecting 1,3,5-Trimethylbenzene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average 1,3,5-Trimethylbenzene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Spindrift Marina
Isleton, CA
1001 of 11.7 ppb
(1.7 ppb)
2Lamont Public Utility Dist
Lamont, CA
14,0001 of 60.2 ppb
(0 to 1.2 ppb)
3Olivehurst Public U.D.
Olivehurst, CA
9,2381 of 100.12 ppb
(0 to 1.2 ppb)
4Blythe - Mesa Ranch
Blythe, CA
1,1001 of 80.1 ppb
(0 to 0.78 ppb)
5Beverly Hills-City, Water Dept.
Beverly Hills, CA
44,2901 of 160.02 ppb
(0 to 0.27 ppb)
6Calam - Parkway
Sacramento, CA
43,9961 of 760.01 ppb
(0 to 0.85 ppb)

Health Based Limits for 1,3,5-Trimethylbenzene

StandardDescriptionLevel
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.10000 ppb

Violation Summary for 1,3,5-Trimethylbenzene in California

There are no violations reported for this contaminant in California