An investigation was carried out to monitor the horizontal travel of indicator microorganism from the end of a septic tile in the direction of groundwater flow. The microorganism levels exhibited a declining trend with distance away from the tile end. This investigation also revealed that because the unsaturated depth of soil available for microorganism vertical travel was limited, relatively high levels of organisms were found in the groundwater even at a horizontal distance of 15.25 m from the end of the septic tile.
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Viraraghavan, T. Travel of microorganisms from a septic tile. Water Air Soil Pollut 9, 355–362 (1978). https://doi.org/10.1007/BF00280684
- Groundwater Flow
- Horizontal Distance
- Indicator Microorganism
- Vertical Travel
- Horizontal Travel