Every block has a low point as well; often, it’s somewhere along the street, as builders try to make each lot slope to the street. The swale between the sidewalk and the curb is a great spot for a rain garden, which is planted with thirsty plants that slurp up rainwater quickly and also help recharge groundwater.
Who can do this? I can, or I and the neighbors on my block can.
What does it cost?
Who can help?