greywater
vs. blackwater
how? collection + separation at a smaller scale
[toilet]
[shower,
kitchen, laundry
+ all
other drain outputs]
[stormwater]
collection cistern
irrigation or
pumped back
for re-use
constructed wetland
variety of scale
reed bed
filter
liquid hold area
pond, overflow
outlet
irrigation
composting toilet
no water
collection tank
liquids + solids
composted
new material
breakdown + time
re-entry
to land
garden
breakdown +
settlement of solid
green roofing
pervious materials
xeriscape
essentially
eliminating
urban run-off
zero wasteš into sewage line:
creation of
self-sustaining+
self-regulating systems
= minimal maintenance
filter
