Consider installing gutters, or make sure the existing ... slightly sloped down toward the basin, the longer the drain is, the lower the pipe will be when it reaches the basin.

then run underground to a drainage point on the street or at the local storm sewer system. PVC or corrugated pipes can be used in this application. To install this underground downspout extension ...

When installing a rain barrel, an important consideration is which downspout is being used to ... This overflow pipe should move water from the barrel to an existing storm drain once it reaches a ...