ALCOA Davenport Works Superfund Site

State TrusteeAO Bureau

Also Known As


Incident Type




Case Status



Mississippi River Pool 15


Contaminants of Concern Include

Affected DOI Resources Include

Migratory Birds

Financial Summary

Restoration Funds Collected:


*Restoration Funds Allocated:


*Restoration Funds Remaining:


* Restoration Funds can contain multiple settlements/projects. All collections are placed in interest bearing accounts. For detailed information on individual settlements/ projects please visit: NRDAR Status Report

Case Description

A Superfund Site located along the Mississippi River shoreline in Riverdale, Scott County, Iowa, released hazardous substances (a variety of inorganic and organic compounds) into the Upper Mississippi River. The injured natural resources included river surface water, aquatic sediments, and aquatic life including mussels, fishes, and aquatic dependent wildlife such as migratory birds that depend on the aquatic life for food and the river for shelter.

Case Documents

 Document TypeDocument NameDocument Date


 Consent Decree Consent Decree 12/11/2008


 Restoration Plan and Environmental Assessment Restoration Plan 06/30/2011

Map View

Case Contact

Rock Island Ecological Services Field Office

Moline, IL | (309) 757-5800 |

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