; (ii) remove or modify structures, including culverts, levees, and dams, to restore— (I) natural hydrology of rivers, streams, floodplains, wetlands, or coasts; or (II) the form, function, or processes of rivers, streams, floodplains, wetlands, or coasts; (iii) permanently protect privately owned lands through fee title acquisition or enrollment into voluntary permanent wetland, flooding, or other conservation easements; (iv) facilitate habitat restoration using responsibly sourced and clean dredged sediment material by covering the cost differential between the Federal standard for dredge disposal and the cost of transportation; (v) relocate, elevate, or demolish and clean up flood-prone structures and carry out any related floodplain restoration; (vi) increase water retention and infiltration through actions that promote a healthy soil ecosystem, including maximizing soil cover, maximizing soil biodiversity, and maximizing the presence of living roots; (vii) reduce nonpoint sources of pollution and promote landscape-scale vegetative cover (including perennial grains, perennial woody crops, winter annual cover crops, perennial pasture, and other approaches to maintain year-round vegetative cover) through the implementation of voluntary initiatives developed with the support of market research; (viii) reduce stormwater flows and inflows that contribute to combined sewer overflow events, and accelerate the adoption of urban stormwater pollution prevention minimum control measures through municipal separate storm sewer system permits issued under section 402(p); (ix) facilitate the cleanup of legacy contaminants that are not hazardous substances (as defined in section 101 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9601 )); (x) control, manage, or eradicate nonnative aquatic invasive species or reintroduce native aquatic species, including through— (I) investments in technology and research to combat the spread of aquatic invasive species