Dry creek run-off contamination?
I've been a lurker here for years. Every winter I love looking at everyone's pond pictures.
I'm still designing mine in my head. I built a tiny trial one a few years ago but I really want a large pond. I would like to have an upper and lower pond. With the bottom one being only decorative and the upper one being the main pond. Problem is that my bottom pond would be in my dry creek which serves as a run off path during heavy rains. I live in a subdivision. Do you think that the run-off into the lower pond would contaminate the main upper pond? Below is a link to pictures of my backyard. The first waterfall picture was taken at a park. I want to take pictures like this in my own yard.
Here is a link that might be useful: My backyard pictures