Performance of an Aerobic Treatment Unit and Drip Dispersal System for the Treatment of Domestic Wastewater at the Northeast Regional Correction Center
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Performance of an Aerobic Treatment Unit and Drip Dispersal System for the Treatment of Domestic Wastewater at the Northeast Regional Correction Center
Published Date
2001-11
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University of Minnesota Duluth
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Technical Report
Abstract
An estimated half million homes in Minnesota are not connected to public sewer systems. Along
with the growing use oflakeshore cabins and the conversion of cabins into year-round homes,
many have the potential to degrade surface and groundwater resources as they depend primarily
on individual sewage treatment systems (ISTSs) for the treatment and dispersal of domestic
wastewater. Unfortunately, many are in noncompliance with state standards or are hydraulically
failing to the surface. Effective treatment options are needed for the thousands oflocations with
restrictive soil and site conditions. Many of these sites occur along lakes and streams, creating a
potential health hazard to swimmers and others using surface water for drinking water and
recreation, leading to increased algal blooms, aesthetic nuisances and degraded fish habitat.
The suspended-growth wastewater treatment process is commonly used by municipal wastewater
treatment facilities. This biological treatment process is also available at smaller scales for both
individual and multiple home use, and are commonly referred to as aerobic treatment units or
ATU's. Since the mid-1990's, systems using both the suspended-growth and fixed-film treatment
processes were evaluated for single-family home use in northern Minnesota (McCarthy et al.,
1997, 1998, 1999; 2001; Henneck et al., 1999, 2001; Axler et al., 1999, 2000; Monson Geerts et
al., 2000, 2001; Pundsack et al., 2001). This paper provides an overview of the operation and
performance of one brand of aerobic treatment unit and a drip dispersal system tested at the
northern Minnesota research facility.
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Natural Resources Research Institute, University of Minnesota-Duluth, 5013 Miller Trunk Highway, Duluth, MN 55811
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McCarthy, Barbara J; Monson Geerts, Stephen D; Axler, Richard P; Henneck, Jerald. (2001). Performance of an Aerobic Treatment Unit and Drip Dispersal System for the Treatment of Domestic Wastewater at the Northeast Regional Correction Center. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/188557.
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