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National Drinking Water Database

Phenanthrene in Iowa

Phenanthrene is a pollutant from the incomplete combustion of fossil fuels, and is also used in the manufacture of dyes, explosives and pharmaceuticals.

The Most Polluted Communities in Iowa

4 water utilities reported detecting Phenanthrene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Phenanthrene level

RankSystem Population Served Positive test results of total reported tests Average Level
1Plover Water Supply
Storm Lake, IA
951 of 11.5 ppb
(1.5 ppb)
2Palmer Water Supply
Palmer, IA
2141 of 20.6 ppb
(0 to 1.2 ppb)
3Modale Water Supply
Modale, IA
3031 of 10.2 ppb
(0.2 ppb)
4Thor Water Works
Thor, IA
1741 of 10.1 ppb
(0.1 ppb)

Health Based Limits for Phenanthrene

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

Violation Summary for Phenanthrene in Iowa

There are no violations reported for this contaminant in Iowa