There is one summary. Bill summaries are authored by CRS.

Shown Here:
Introduced in House (07/06/2011)

Directs the Chief of Engineers, prior to any major federal action to prevent the introduction or establishment of a population of aquatic nuisance species between the Great Lakes and the Mississippi River Basins that would impact the flow of commerce or commercial activity within the Chicago Area Water [sic] System, to prepare an economic impact statement regarding: (1) the impact on commerce and commercial activity and on jobs and job opportunities, (2) any adverse economic effects that could not be avoided, (3) alternatives to the proposed action, and (4) the relationship between any local short-term impacts on commerce or commercial activity and maintenance and enhancement of long-term productivity and environmental values.