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National Drinking Water Database


1,2,4-Trimethylbenzene in Iowa


1,2,4-Trimethylbenzene is a chemical intermediate, industrial solvent, and component of gasoline, coal tar and petroleum products.

The Most Polluted Communities in Iowa

5 water utilities reported detecting 1,2,4-Trimethylbenzene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average 1,2,4-Trimethylbenzene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Winterset Municipal Waterworks
Winterset, IA
4,7681 of 16 ppb
(6 ppb)
2Hudson Water Supply
Hudson, IA
2,1178 of 81.73 ppb
(0.5 to 4.3 ppb)
3LU Verne Water Supply
Luverne, IA
2991 of 11 ppb
(1 ppb)
4West Bend Water Department
West Bend, IA
8341 of 10.6 ppb
(0.6 ppb)
5Oyens Water Supply
Oyens, IA
1321 of 10.6 ppb
(0.6 ppb)

Health Based Limits for 1,2,4-Trimethylbenzene

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

Violation Summary for 1,2,4-Trimethylbenzene in Iowa

There are no violations reported for this contaminant in Iowa