A few months ago I wrote about rain harvesting. It is an idea whose time has come for certain climates and is being used more and more by homeowners and commercial businesses. Someone emailed this week pointing out a very weird law concerning rain harvesting that at first I could not believe. Apparently the rain is considered public property and as such it is illegal in many places to harvest it. The idea is that the rain is supposed to flow unimpeded into rivers and lakes and to prevent that from happening is bad for the environment and the public good.
I did a little research and indeed this is true. In fact the city of Seattle, or maybe the county Seattle is in, had to rewrite the law so that rain catching by homeowners is specifically allowed. I found many places that ignore the law, and others that have changed it to allow rain harvesting. Here is a blog post that goes into a bit more detail specifically on Colorado law. Interesting and crazy angle to what I think is the great idea of rain harvesting.