Rainwater Drain Blocked [best] -

The most prevalent cause is the buildup of foreign materials. This includes:

We’ve all seen it: a sudden downpour turns a quiet street into a shallow lake, or water cascades over a gutter downspout instead of flowing into the pipe. The culprit is often a blocked rainwater drain. rainwater drain blocked

While autumn foliage is a prime suspect, the problem often runs deeper: The most prevalent cause is the buildup of foreign materials