Ground Water Recharge with Sewage Effluent

by Herman Bouwer, US Water Conservation Lab, United States,

Document Type: Proceeding Paper

Part of: Artificial Recharge of Ground Water


Recharge systems for soil-aquifer treatment (SAT) of conventionally treated sewage effluent typically remove essentially all suspended solids, biodegradable material (BOD) and microorganisms from the water. Concentrations of metals and phosphate are significantly reduced. Nitrogen is removed by denitrification. The renovated water from an SAT system generally will be suitable for unrestricted irrigation and recreation. Since SAT does not remove all synthetic organic compounds, potable use of the renovated water requires activated carbon filtration. Disinfection is also necessary, and possibly reverse osmosis too, at least for part of the flow.

Subject Headings: Sewage | Effluents | Water treatment plants | Groundwater recharge | Water reclamation | Water treatment | Renovation | Aquifers

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