Primary Treatment: Removes the majority of the settleable solids.Preliminary Treatment: Removes debris that could damage plant equipment.It may then be discharged from the treatment plant without endangering public health or damaging the environment.įor most communities, a system similar to the one described below provides treatment to remove solids, materials that will consume oxygen and organisms that could potentially cause disease if released to the environment. Specific processes vary according to the source and volume, but in general untreated wastewater (influent) is collected then treated (effluent) so that it is in compliance with permit requirements. Treatment processes can range from relatively simple to very complex. Although 99.99 percent is plain water, that 0.01 percent contains material that needs to be treated before being returned to the Commonwealth’s lakes, rivers and streams. The average American contributes an estimated 100 gallons of wastewater each day. It can contain human and household waste, commercial and industrial waste, groundwater and, in many cases, stormwater runoff. Wastewater is the used water supply of a community, coming from sources like baths, showers, sinks, dishwashers, washing machines and toilets located in homes, businesses and industries. Stormwater Local Assistance Fund (SLAF) +.Virginia Clean Water Revolving Loan Fund +.
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