• American Society of Civil Engineers
• Institution of Civil Engineers
• National Council of Examiners for Engineering and Surveying

• American Water Works Association (AWWA) – International nonprofit scientific and educational society dedicated to the improvement of drinking water quality and supply
• National Rural Water Association (NRWA) – Non-profit federation with mission to support State Rural Water Associations who have over 22,000 water and wastewater systems as members
• Water Environment Federation (WEF) – National organization dedicated to preservation and enhancement of global water environment. Researches and publishes latest information on wastewater treatment and water quality protection
• Virginia Water Environment Association, Inc. (VWEA) – Dedicated to preservation and enhancement of Virginia’s water environment
• Virginia Rural Water Association (VRWA) – Enhancing professionalism of public water and wastewater utilities through education, training, on-site assistance and supporting services

• About.com’s Stormwater Management Directory – Storm water and watershed management tools and techniques links page
• CSO News – Combined and Sanitary Sewer Overflow community website to help cities and engineers answer CSO and SSO questions and exchange ideas and solutions to assist in solving discharge problems. Includes free email newsletter and specialty web links
• Low Impact Development Center (LID), Inc. – R&D and training site for water and natural resource protection issues focusing on LID technology and strategies; a comprehensive land planning and engineering design approach to maintain and enhance pre-development hydrologic regimes of urban and developing watersheds
• LID-Stormwater.Net – Project funded by USEPA Office of Water to provide guidance for incorporating LID into community aquatic resource protection programs. Website is designed for use by local government officials, watershed managers, regulators, site designers and other stakeholders. Includes AUTOCAD links

• Dept of Professional and Occupational Regulations (DPOR)
  –  Civil Engineering
  –  Survey
  –  Water/Wastewater
• Virginia Ground Water Protection Steering Committee
• Virginia Resource Authority