The Red Brick Times

  Thursday, June 16, 2005

Friends just built a log house in Carslisle Township. They were required to construct a mound system to handle household effluent. The mound system replaces a traditional sub-surface leaching field by bringing the septic tank outflow higher where it has a better chance to evaporate and to be exposed to aerobic bacteria transported underground by plant roots.

A not-often-used alternative is constructed wetlands for outflow treatment. One couple in suburban Chicago built a fen in their back yard to take advantage of biodiversity to effectively remove up to 95% of the waste from the water (compared to 60-75% from traditional septic systems) including nitrogen, which is rarely mitigated by traditional methods.

One historical example of prairie wetlands are some of the buffalo wallows reported by the early settlers. Some can still be seen where farming has not too greatly modified the overall land contour.
by Andy (0) comments

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