The Golden State: Where & How to Live, Secure, Visit, Enjoy and Thrive in California
How To Design And Install Plumbing
The machine may be attached to the plumbing system through some medium outside of the building walls. The ignited rags are smothered by sealing the hollow drum, and the smoke from the smoldering materials is forced into the plumbing system by the air pump provided for this purpose.
The smoke test is not an efficient or safe test and should be used only when water is not available.
Water Suply
An adequate supply of pure, wholesome, and palatable water is essential to the maintenance of high standards of health and to provide the convenience modern society demands. In some localities water is available in unlimited quantities and converting it to use is not a difficult problem. This is especially true of municipalities situated on large inland lakes, rivers, or natural water courses. Conversely, there are cities where geographical location requires elaborate systems of water conveyance, and to provide a satisfactory supply of water in these localities becomes a large engineering task.
The importance of a sufficient supply of water for domestic, commercial, and industrial purposes has long been a deciding factor in the location of cities. The earliest American settlers realized this need and took advantage of natural water sources by establishing colonies in close proximity to them. As these communities grew in population, the demand for water increased and the need for protection of the source of water supply against the possibility of contamination became evident.
With progress and improved conditions of living, hygiene became a factor. Cleanliness, which only a plentiful supply of water can assure, was recognized as a demand of healthful living and, gradually, greater and greater amounts of water were converted to household use.
Water has become an indispensable part of civilization. Its use has been extended from individual needs to industry, municipal sanitation and convenience, the production of power, and other necessities too numerous to mention. City home and isolated rural dwelling alike have need for an adequate and healthful supply of water.
Casually considered, the amount of water available for the needs of civilization would seem to be unlimited. This is not a fact, however. Much of the water which composes so vast a part of the earth's surface is useless in its raw state and, for conversion to domestic or industrial use, probably would require correction by methods too costly even to attempt. The water supply available for use, therefore, must be safeguarded for future generations, and sanitarians, aware of this duty, are doing everything within the power of known science to protect sources of water supply. Modern sewage disposal plants return, cleaner than in its original state, the water borrowed from rivers and lakes. Sources of contamination caused by erosion of the soil are being eliminated. Industry is required by law to correct waste discharges and to separate from them any matter held in suspension or solution that is harmful to the water source. The principle involved in the distribution of water is that of conservation—returning to the source that which is taken from it.
