Safe disposal of farm sewage is not a passing fad but a vital necessity. Besides being an asset a good sewerage installation greatly promotes the wholesomeness and healthfulness of the farm. Moreover the benefits are far-reaching, because farm products go into every home, and farm and urban populations mingle freely. * * * * * Transcriber Note Two headers (Kitchen-Sink Drainage and Cesspools) were added to the Table of Contents based on their formatting in the text. Minor typos have been corrected. Illustrations were moved to prevent splitting paragraphs. Figure 21. was moved adjacent to the directions and specifications on Page 32. Due to space considerations in the text only version, emphasis of column headers were sometimes eliminated and some of the tables were rearranged.