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National Drinking Water Database


n-Propylbenzene in Iowa


n-Propylbenzene is a solvent used in textile dyeing and printing, a pollutant from asphalt and landfill leachate, and a constituent of petroleum and coal.

The Most Polluted Communities in Iowa

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

Ranked by highest average n-Propylbenzene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Hudson Water Supply
Hudson, IA
2,1171 of 10.8 ppb
(0.8 ppb)
2Winterset Municipal Waterworks
Winterset, IA
4,7681 of 10.8 ppb
(0.8 ppb)

Health Based Limits for n-Propylbenzene

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

Violation Summary for n-Propylbenzene in Iowa

There are no violations reported for this contaminant in Iowa