Septic System: An on-site system designed to treat and dispose of domestic sewage.
Septic system: Used to treat household sewage and wastewater by allowing the solids to decompose and settle in a tank, then letting the liquid be absorbed by the soil in a drainage field.
Septic system
A tank used to hold domestic wastes when a sewer line is not available to carry them to a treatment plant. It stores the solid waste until bacteria breaks it down and the relatively clean water is absorbed by the ground.
Sewage ...
Unlike household waste water that enters sewers or septic systems and undergoes treatment before it is discharged into the environment, what runs off from your car goes right into storm drains -- and eventually into rivers, streams, ...
Nitrate
Plant nutrient and inorganic fertilizer that enters water supply sources from septic systems, animal feed lots, agricultural fertilizers, manure, industrial waste waters, sanitary landfills and garbage dumps.(1) ...
An underground storage tank for wastes from homes not connected to a sewer line. Waste goes directly from the home to the tank. (See septic system.)
Source: Terms of the Environment
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Nitrates in water can cause severe illness in infants and domestic animals. A plant nutrient and inorganic fertilizer, nitrate is found in septic systems, animal feed lots, agricultural fertilizers, manure, industrial wastewaters, sanitary landfills, ...
Nondischarge Systems : wastewater disposal systems that do not discharge to surface waters, such as spray irrigation, land application, or conventional septic systems.
Solids and dead bacteria settle to the bottom as sludge while the liquid portion flows into the ground through drains. While properly placed and maintained septic systems can effectively treat domestic wastewater, ...
Among these include excess sediment from stream bank erosion and improperly managed construction site, excess nutrients from fertilizer use and both excess nutrients and bacteria from livestock, pet waste and improperly working septic systems, ...
 See also: River, Waste, Pollution, Environment, Discharge
  
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