This 24,000 gallon rainwater harvesting Cistern was installed to provide potable water for a residence in Fredricksburg, TX. It incorporates filtration inside the tank and utilizes a 2HP submersible pump for a clean finished appearance. The 12′ windmill provides aeration for the stored water in the tank keeping it from getting stagnant while inside the residence are additional carbon and UV filters to provide clean, pure drinking water for the family and their domestic needs.