The main problem that I have with the house close to the pond is the high number is aquatic insects that are attracted to the lights in the house. Then the spiders arrive to build webs and eat insects. I have a hard time keeping the windows clean.
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The dirt dobbers will build their mud nests everywhere....the upside to that is that they like eating black widow spiders. Don't think it matters how far from the water you are though.
Also note you are going to have to keep an eye out for snakes. My house is 100 yards from the pond and I see 1 or 2 a year. The property next door is right on their pond. They are always seeing them in the landscape near the house.