If it relies on vibrations, the noise probably depends on the tension, width, and length of the wire, just like in an instrument. I wouldn't give up on it yet. Also, hydro means water. aero means air, electro means electricity.
Work smarter, not harder.
What do you have in that there bucket? It wouldn't be a tiny ad by any chance ...
Your suggestions have been mashed into the PIE page - wuddyathink?