Disposal of Domestic Wastewater by Hillside Sprays

by Endel Sepp, (M.ASCE), Assoc. San. Engr.; Bureau of San. Engrg., California State Dept. of Public Health, Berkeley, CA,

Serial Information: Journal of the Environmental Engineering Division, 1973, Vol. 99, Issue 2, Pg. 109-121

Document Type: Journal Paper


Population pressures are creating waste disposal problems which threaten the high quality of mountain waters. Land confinement of sewage in California's mountain areas has proven more reliable than other methods in controlling disposal problems. Spray irrigation of hillsides is a method of land confinement which is being used by 100 small systems located in the foothill and mountain areas. This method is most suitable for the disposal of seasonal flows and on soils with good infiltration capacity. The paper summarized California's experience with hillside sprays and analyzes the use of adequate reliability features for the protection of public health.

Subject Headings: Mountains | Municipal wastewater | Slopes | Water quality | Public health and safety | Waste disposal | Water pressure | Sewage

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