The obvious impossibility of discussing in any detail either the septic tank or chemical treatment of sewage, in the twenty or thirty minutes allotted, makes it necessary that the subject be treated very generally, depending on the discussion which may follow to bring out special points of interest. Fortunately, the satisfactory account of these two methods of sewage disposal given by Professor Winslow and Mr. Phelps in No. 185 of the Water Supply and Irrigation Papers of the U. S. Geological Survey makes it unnecessary to devote any time either to the theoretical or historical side of the subject, and, therefore, the practical aspect will be the only one touched.
The two extreme views now held in this country regarding sewage disposal may be represented, on the one hand, by those who hold that all water for domestic purposes must be purified and consequently there is no need of wasting
MOORE GT. SEWAGE PURIFICATION BY SEPTIC TANK AND CHEMICAL PRECIPITATION.. JAMA. 1907;XLIX(8):677-680. doi:10.1001/jama.1907.25320080045001m