Row House or Other Small Building
Plant a small rain garden, hook up a rain barrel, or start a container garden.
If your building has an external downspout, consider installing a rain barrel to collect runoff from the roof. The Department of Environmental Protection provides free 60-gallon rain barrels for New York City residents.
If your home includes a garden or yard, you can also create a rain garden to soak up some excess storm water. These can be small, simple depressions filled with a few well-chosen plants or a more complex design that incorporates gravel and drains beneath the soil surface to funnel away water.
There are also a few simple accommodations you can make to reduce runoff.