Links drought greywater groundwater irrigation water resources science grey gray recharge usgs

Drought:

Grey Water (Greywater, Gray Water, Graywater):

Grey Water Central http://oasisdesign.net/greywater/greywater.htm
StormTech stormwater retention system http://www.stormtech.com

Groundwater Organizations:

American Ground Water Trust: http://www.agwt.org/index.htm
Groundwater Foundation: http://www.groundwater.org
Ground Water On-Line: http://www.ngwa.org/gwonline

Ground Water Recharge:

USGS Water Recharge Demonstration Project http://ks.water.usgs.gov/Kansas/studies/equus
India Central Ground Water Authority: http://www.cgwaindia.com

Irrigation:

Landscape Irrigation Tutorials: http://www.irrigationtutorials.com
Drip Work, products for drip irrigation http://www.dripworksusa.com
Netafim Drip Irrigation http://www.netafim-usa.com
Drip Design Manual http://www.digcorp.com/comm/tec006.htm
Oregon State University - intro to drip irrigation http://www.cropinfo.net/drip.htm
Drip for Vineyards - Cal. Institute http://www.cati.csufresno.edu/cit/rese/98/980803/index.html
University of Hawaii - drip irrigation design downloadable computer program http://weather.nmsu.edu/dripdesign

Water Resources:

USGS Water Resources of the US: http://water.usgs.gov
Water Center Univ. Nebraska http://watercenter.unl.edu
Middle East Water Resources: http://exact-me.org/overview/p0809.htm
World Water Council: http://www.eco-web.com/cgi-local/sfc?a=index/index.html&b=register/04436.html

Water Science:

US EPA Groundwater: http://www.epa.gov/OGWDW
Water Science for Schools: http://wwwga.usgs.gov/edu/mearth.html