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Water Renew: Long Term Synopsis

Water Renew: Long Term Synopsis

Order Code: WATREN-RPT
Publisher: WRc
Date of Publication: 2008

Price: £6.00


This report looks at how the installation of a WaterRenew system for the polishing of
wastewater might impact the area in which it is located in the long term. Long term has effectively been taken to mean the lifetime of an installation, which is 20-25 years. This reflects the lifetime of a willow coppice plantation and the life expectancy of the principal components of the wastewater application system. It also closely matches typical rotations for poplar. At the end of this period, the installation may be removed if it is no longer required and the land returned to its original or another use. Alternatively, the site may be replanted, with a major renovation and replacement of irrigation system components taking place. For either of these options to be possible the land must be in a suitable and satisfactory condition.

This report has relied on published information from a number of sectors from which a broad picture has been developed of the potential long term effects that wastewater application to wood fuel plantation might have. Information on phosphorus has been derived from the agricultural sector. For potentially toxic elements and organic contaminants, information has come from research into waste recycling to land, in particular sewage sludge. The long standing practice of groundwater recharge using the soil aquifer treatment (SAT) approach can also provide some guidance on the likely impacts of wastewater application in WaterRenew systems in the long term.


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