Greywater - use on plants
http://www.sustainable.com.au/greywater.html  Sustainable Earth Technologies Inc
http://farrer.riv.csu.edu.au/ASGAP/APOL22/jun01-5.html  Australian Plants Online. 
http://www.au.gardenweb.com/forums/load/ozgard/msg1120453032264.html  What plants tolerate greywater? Forum.
http://www.cahe.nmsu.edu/pubs/_m/m-106.html  Safe Use of Household Greywater. Info on contaminents & plant types.

Greywater systems
http://home.nemesis.com.au/water/Home.htm Water Efficient Gardenscapes. Dr Wendy van Dok
http://www.eidn.com.au/greywater.html Environment Technology Case Studies Directory
http://www.greenhouse.gov.au/yourhome/technical/fs23.htm 
http://www.permacult.com.au/water/greywater01.html 
http://www.ecoliving.co.nz/Ecoliving/mag/issue13/New%20Zealand%20Greywater%20Systems.htm 
http://www.greywater.com/   
http://greywater.net/ 
http://www.sru.edu/pages/1766.asp 
http://www.nowra.org/ 
http://www.slip.net/~ckent/earthship/greywater.html 
http://csf.colorado.edu/perma/sustain/0115.html 
http://www.egt.bme.hu/ecobuild/plant/f2_000.htm 
http://www.greenbuilder.com/sourcebook/GreyGuidelines.html 
http://www.newtonhouse.info/greyoptions.htm  
http://www.earthlife.org.za/ghouse/gfiles/water/graywater/grey-4.htm 
http://www.earthship.org/sys/sewage/sewage.php 

Greywater & General eco stuff
http://www.rosneath.com.au/ipc6/ch08/marshall Greywater Re-use: Hardware, Health, Environment & the Law
http://www.jerusalemcityfarmers.org/greywaterguide.html  
http://www.dirtcheapbuilder.com/sol.html 
http://www.savewater.com.au 
http://our.curtin.edu.au/egm/team-initiatives/watertipsfromstaff.pdf  Water saving tips
http://www.ecosmart.ws/ 
http://www.livingmachines.com/htm/home.htm 

Flowforms
http://www.earthlife.org.za/ghouse/gfiles/water/flow1.htm 
http://www.livingwaterflowformsaustralia.com/ 
http://www.waterflow.net/ 
http://www.anth.org.uk/virbelaflowforms/ 
http://www.iriswater.co.uk/ 

Reedbeds
http://arknursery.ie/ 
http://www.waterrecycling.com/Aqplants.htm 

http://www.jarven.com/paenfly.htm  

Waste water diverter
http://home.nemesis.com.au/water/Products.htm 

Rainwater

http://www.nillumbik.vic.gov.au/EdendaleFarm/water_collection.htm 
http://www.cityfarmer.org/rainbarrel72.html 
http://www.sustainable.com.au/rainwater.html 
http://www.sydneywater.com.au/everydropcounts/garden/rainwater_tanks.cfm 
http://clarktanks.com.au/aspfiles/rainwater.asp 
http://www.greenhouse.gov.au/yourhome/technical/fs22.htm  
http://www.enviroflo.com.au/ 
http://www.leafbeater.com.au/ 
http://www.cityrainwatertanks.com.au/ 
http://www.cmac.com.au/ 
http://www.abc.net.au/adelaide/stories/s494257.htm  
http://www.uq.net.au/~zzdkeena/RainwaterTankSizing.htm 
http://www4.tpgi.com.au/users/robkemp/water/tanks.htm 
http://www.ariplastank.com.au/categories.html 
http://www.maleny.net.au/mp/about/hetub.html 

Recycled Plastic
http://www.replas.com.au/ 
http://www.palisadepp.com.au/recycled_plastic/ 

Other
http://www.dulley.com/index.html
http://www.ata.org.au/45steam.htm Osborne Steam Powered House