The City operates four cells at a time, while resting the others. The drainfield is a large subsurface sewage treatment system comprised of 20 cells. (The Stugas have a lift station that pumps wastewater directly to the drainfield.)Ī lift station looks like a large utility box with a round light on top. Liquid is removed from each septic system through a series of pumps (lift stations) that move it through the system until it reaches a primary collection point from where it is pumped to the drainfield located north of the city. ![]() It is then broadcast on top of farm fields that have been permitted for such use. Marine’s waste is combined with lime to raise the pH and kill pathogenic bacteria. What happens to the biosolids? They are used to add nutrients to the soil. If you have questions about when your septic was last cleaned, contact the city clerk at the town hall. Public works staff use a “sludge judge” to determine if the tank needs to be emptied. Washington County’s rule of thumb for septic clean-out is every 3 years, but seasonal owners won’t need it done that often. Solids are pumped out by the city public works department. Many, but not all homes and buildings in the upper and lower village are connected to a community collection system. Eventually, the filtered water flows down into an aquifer and re-enters the water cycle and eventually it ends up in the river. The wastewater is distributed through the pipes and exits into the soil where physical, chemical and biological processes act to filter out harmful bacteria, viruses and excess nutrients. The solids and scum are manually removed from the tank usually this wastewater is pumped from the tank to a drainfield (also called a leachfield) - an expanse of land under which perforated pipes have been laid. Solids like food scraps and human waste settle to the bottom of the tank while greases and lighter solids float to the top as scum. Wastewater from toilets, sinks and showers flows through the inlet into the tank. ![]() The bacteria in your tank can also contribute to the formation of a bacterial layer around the pipes in your drainfield, continuing to remove contaminants, making the system even more effective. For the most effective septic treatment, it’s very important to avoid damaging the bacteria in your system (more on that below). Microorganisms in the septic tank begin to break materials down. Waste first goes to the septic tank to separate solids from liquids. It should be clearly visible on the surface.Ī septic tank typically holds 750 to 1,000 gallons of sewage and looks like this: Wondering where the septic tank is located in your yard? Look for the “lid” or manhole cover in your yard. Wondering what type of system your home has? Contact the city clerk at 65, or to find out. ![]()
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