About Water supply network

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Title Water supply network
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(from Freebase)
A water supply system or water supply network is a system of engineered hydrologic and hydraulic components which provide water supply. A water supply system typically includes: Raw water (untreated) is collected from a surface water source (such as an intake on a lake or a river) or from a groundwater source (such as a water well drawing from an underground aquifer) within the watershed that provides the water resource. Shallow dams and reservoirs are susceptible to outbreaks of toxic algae, especially if the water is warmed by a hot sun. The bacteria grow from stormwater runoff carrying fertilizer into the river where it acts as a nutrient for the algae. Such outbreaks render the water unfit for human consumption. The raw water is transferred to the water purification facilities using uncovered aqueducts, covered tunnels or underground water pipes. Virtually all large systems must treat the water; a fact that is tightly regulated by global, state and federal agencies, such as the...
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