Government agencies

EPA Restoration Project Directory

EPA Surf Your Watershed Has a variety of information and will search the EPA Restoration Project Directory by watershed

EPA Inventory of Ecological Restoration Projects For the mid-Atlantic states

EPA Section 319 Success Stories Grants for Clean Water Act Section 319.  Check all three volumes

EPA Five Star  EPA's program for collaborative restoration projects

Ecological Restoration: A Tool to Manage Stream Quality  EPA publication with several case studies

NRCS Wildlife Habitat Incentives Program A variety of projects, including stream restoration

AmeriCorps Search by state for corps dealing with water issues. Many groups do not have webpages but provide contact information on the national webpage.

Army Corps of Engineers  Recently has gotten into the stream restoration business. Most information can be found on the regional pages. The availability of information and the number of projects varies by region.

State government agencies such as DNR

Local government agencies such as Parks Department and Stormwater Utility
 

NGOs

Restore America's Estuaries Funding for Habitat Restoration Projects  A vast listing of available funding for restoration projects.  I have not yet gone through it but it seems to be a goldmine for locating restoration projects through their financial backers.

Rocky Mountain Institute  Many case studies available, in addition to general information.

Alternative Stream Research A huge number of photographs of stream restoration projects from around the country, many failed in some way, offered as a critique of current stream restoration practices

Local non-profits such as Adopt-a-Stream, Creekkeeper, or Riverkeeper.

EPA Adopt-your-watershed Has a search engine for local citizen watershed groups

Local schools, scouting groups, neighborhood and community organizations.
 

Sources of Funding

Turner Foundation Funds many environmental programs

Kodak American Greenways Awards New program funding greenway development

Patagonia Funds many environmental programs
 

Private Contractors

These are mostly regional operations. Search online or just look in the phonebook.
 
 

Mitigators

Agencies and corporations atoning for their sins, such as power companies and departments of transportation.