Wisconsin has moved aggressively to control runoff from all sources.

Inspections and post-construction steps to control runoff are also required.

The new proposal does not move aggressively to control polluted runoff, leaving states to manage that effort mainly by seeking voluntary measures.

Government began a new approach to battling water pollution today: planting trees to control runoff from farm fields.

Cities may be required to control and treat runoff from their streets.

But it has failed to control poisonous runoff from farms and urban areas.

The states, under guidelines set in Washington, would establish specific, approved practices to control polluted runoff.

The agency will also take a close look at the technologies that big farms use to control runoff.

However, most existing lots have limited or no facilities to control runoff.

In later phases, cities and developers will be expected to take steps to control polluted runoff.