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Schematic of a septic tank. Image courtesy Tilley, E., Ulrich, L., Lüthi, C., Reymond, Ph., Zurbrügg, C., CC BY-SA 4.0 , via Wikimedia Commons |
The smell of overflowing septic tanks is something I encounter regularly, cycling the highways and byways of Kildare. Two incidences yesterday in the Suncroft area and one close to Narraghmore Game Reserve. Maybe there are other issues that cause smell though like bad drainage or older systems that don't agitate the contents of the tank? Agitation increases the oxygen content of liquid in a septic tank, improving the rate of aerobic bacterial growth and speeding up the digestion of sewage. This recent article from the Kildare Nationalist by Finian Coghlan fills us in with the details of the inspections.