D.C. Appleseed is out with a whopper of a document on the current conditions, remediation efforts, and recommendations for next steps on cleaning up the Anacostia River. Their main conclusions:

The U.S. Environmental Protection Agency should create a high-level department to coordinate federal, state and local cleanup efforts.
Local jurisdictions should create common stormwater management regulations across [...]

In every other state in the nation, when some industrial entity pollutes an area, the state government can sue that entity and force it to pay for cleanup without the federal Environmental Protection Agency having to come in and take over.
You know what comes next: Not in the District.
Although in 2000 the Council created incentives [...]