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| ... Website in construction, thank you for your patience ... Pagina Web en construcción, gracias para su paciencia ... Site en construction, merci pour votre patience ... | 
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| After marking the terrain and taking a point 0 as reference level (it should be the entry point of pipe into the WWG unit), excavation of WWG basin + Control Box (by hand or by machine) |     | 
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|    | Excavation of plumbing networks + drainage trenches (by hand or by machine) | 
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|     | Water proofing of WWG basin (in clay, concrete o geomembrana) + its Control box  | 
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| WWG water level Control box: left photo below shows 2 pipes as 2 WWG units share 1 control box. The photo on the right accomodates a (solar) pump as the leachdrain cannot be reached by gravity (called an "inverted leachdrain) and the terrain had its freshwater drinking lens close to the surface: | |
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| WWG unit piping in place: 
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|  | WWG unit water fill to check on waterproofness | 
| Gravel fill of WWG unit + Drain/Subsurface Irrigation trenches | 
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 | WWG unit borders can be made in several materials, depending of waterproofing method used  | 
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|     | WWG system is ready to be planted and connected to the building's plumbing | 
| Planting |  | 
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 Mature WWG systems: 
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