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Influent constituent characteristics of the modern waste stream from single sources

Proper onsite wastewater system (OWS) design, installation, operation, and management are essential to ensure protection of the water quality and the public served by that water source. Conventional OWS rely on septic tanks for the primary digestion of raw wastewater followed by discharge of primary treated effluent (i.e. septic tank effluent, STE) to the subsurface soils for eventual recharge to underlying groundwater. There has been increasing uses of alternative OWS that rely on additional treatment of STE prior to discharge to the environment in sensitive areas or may eliminate use of a septic tank altogether. Waste streams to be treated by OWS have also changed in recent years due to changing lifestyles including increasing use of personal care and home cleaning products, increasing use of pharmaceutically active compounds (e.g. antibiotics), and lower water use due to water conservation efforts."

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  • "Proper onsite wastewater system (OWS) design, installation, operation, and management are essential to ensure protection of the water quality and the public served by that water source. Conventional OWS rely on septic tanks for the primary digestion of raw wastewater followed by discharge of primary treated effluent (i.e. septic tank effluent, STE) to the subsurface soils for eventual recharge to underlying groundwater. There has been increasing uses of alternative OWS that rely on additional treatment of STE prior to discharge to the environment in sensitive areas or may eliminate use of a septic tank altogether. Waste streams to be treated by OWS have also changed in recent years due to changing lifestyles including increasing use of personal care and home cleaning products, increasing use of pharmaceutically active compounds (e.g. antibiotics), and lower water use due to water conservation efforts.""@en
  • "This research project characterized the composition of modern single residential source onsite raw wastewater and primary treated effluent (i.e., septic tank effluent, STE) to aid onsite wastewater system (OWS) design and management. A literature review was conducted to assess the current status of knowledge related to the composition of single source raw wastewater, identify key parameters affecting wastewater composition, and identify information gaps in the current knowledge. This information was supplemented by a field monitoring program to assess the composition of residential OWS raw wastewater and STE. Field investigations included quarterly monitoring (fall, winter, spring, and summer) at a total of 17 sites from three regions (Colorado, Florida, and Minnesota) within the U.S. to ensure that the results and information gained had broad applicability to the management and design of OWS. A tiered monitoring approach was utilized focusing on conventional constituents, microbial constituents, and organic chemicals. In addition, daily and weekly variability within the raw wastewater and STE were monitored. Information obtained was tabulated and graphically displayed to enable assessment and comparison of parameters that affect single source waste stream composition."
  • "A literature review was conducted to assess the current status of knowledge on the composition of raw wastewater and primary treated effluent (i.e., septic tank effluent) from single source onsite wastewater systems. The overall goal of this research project is to characterize the extent of conventional constituents, microbial constituents, and organic wastewater contaminants in single source onsite raw wastewater and primary treated effluent to aid onsite wastewater system design and management. Information obtained was evaluated using cumulative frequency distributions to compare individual constituent concentrations in various waste streams and by using data qualifiers to enable assessment of parameters that might affect single source waste stream composition. To supplement information on the single source raw wastewater and primary treated effluent composition, state agencies responsible for onsite wastewater regulation were contacted to assess the prevalence of different system types installed and in operation. Selected demographics that capture differences in lifestyle habits that could affect raw wastewater composition were also assessed. A large amount of data was captured by this literature review, however information gaps were identified. The information presented here will be used to guide future project monitoring and assessment of modern raw wastewater waste streams."

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  • "Influent constituent characteristics of the modern waste stream from single source"
  • "Influent constituent characteristics of the modern waste stream from single sources"
  • "Influent constituent characteristics of the modern waste stream from single sources"@en
  • "Influent constituent characteristics of the modern waste stream from single sources literature review"

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