• N.C. Division of Environmental Health, Public Water Supply Section
  http://www.deh.enr.state.nc.us/pws/index.htm
• N.C. Division of Waste Management
  http://wastenot.enr.state.nc.us/
• N.C. Division of Water Resources, Ground Water Branch
  http://www.dwr.ehnr.state.nc.us/About_DWR/Division_of_Water_Resources/Water_Allocation_Section/Ground_Water_Branch/
• N.C. Division of Water Quality, Groundwater Section
  http://gw.ehnr.state.nc.us/
• N.C. Division of Pollution Prevention and Environmental Assistance
  http://www.p2pays.org/
• N.C. Geologic Survey
  http://www.geology.enr.state.nc.us

Federal Agencies:

• EPA Office of Ground Water and Drinking Water
  http://www.epa.gov/ogwdw/
• EPA Envirofacts
  http://www.epa.gov/enviro/index_java.html
• The Drinking Water Academy (EPA)
  http://www.epa.gov/ogwdw/dwa.html
• N.C. Farm*A*Syst
  http://www.soil.ncsu.edu/assist/farmindex.html
• N.C. Home*A*Syst
  http://www.soil.ncsu.edu/assist/homeindx.html

Others:

• N.C. Rural Water Association
  http://ncrwa.com