This is a conceptual design sketch of the proposed water system.

Click here to see a larger image of this design.

The water supply is a 20,000 or 30,000-gal storage tank downhill from the home; rain caught from the roof will be supplemented by groundwater from the well. Drinking water will be supplied by a small reverse osmosis system. A composting toilet, combined with grey water irrigation, will reduce water consumption by over 35%, while providing intensive, fertilizing irrigation.

The interim report, which summarizes the details of this system, can be downloaded below.