combined sewer overflow
21Malden River — The Confluence of the Malden and Mystic Rivers The Malden River is a 2.3 mile long (3.7 km)[1] river in Malden, Massachusetts. It is roughly 675 feet (206 m) wide at its widest point and is very narrow at its smallest point. Its banks… …
22Davol Square — Corner of Eddy and Point Streets, looking west former Davol Rubber Company at …
23Río Sena — Para otros usos de este término, véase Sena (desambiguación). Río Sena El río Sena a su paso por Suresnes País que atraviesa …
24Mount Hope Bay — Map of Mount Hope Bay View of …
25Sanitation — is the hygienic means of preventing human contact from the hazards of wastes to promote health. Hazards can be either physical, microbiological, biological or chemical agents of disease. Wastes that can cause health problems are human and animal… …
26Sewage collection and disposal — Urban areas require some methods for collection and disposal of sewage.CollectionA sewage system may convey the wastewater by gravity to a sewage treatment plant. Where pipeline excavation is difficult because of rock or there is limited… …
27Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… …
28Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …
29tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
30Fecal coliforms — (sometimes faecal coliforms) are facultatively anaerobic, rod shaped, gram negative, non sporulating bacteria. They are capable of growth in the presence of bile salts or similar surface agents, oxidase negative, and produce acid and gas from… …
