21st Century Water Municipal Issues and Concerns by 
Aquifers by 
Chasing Water by 
The Complete Guide to Water Storage by 
Dew Water by 
Dry Run by 
Energy Sector Use of Fresh Water by 
Environmental Water by 
Principles and Practices of Water Resources Development and Management by 
The Role of State Revolving Funds in Clean Water and Drinking Water Infrastructure by 
Sustainable Water Engineering by 
Thirst for Power by 
Water As a Social Opportunity by 
Water Conservation by 
Water Drops by Current Perspectives in Contaminant Hydrology and Water Resources Sustainability (Intechopen), licensed as open access.
Geography of Water Resources (OER Commons) full course licensed under CC BY NC SA.
How Much Water Do I Use? (OER Commons) activity licensed under CC BY NC SA.
Inland Waters (IntechOpen) open textbook.
Introduction to Drinking Water Treatment (OER Commons) full course licensed under CC BY NC SA.
Introduction to Water and Climate full course licensed under CC BY NC SA.
Potable Water Treatment (OER Commons) course readings and activities licensed under CC BY NC SA.
Resources of Water (IntechOpen) open textbook.
To Catch the Rain: Inspiring stories of communities coming together to harvest their own rain, and how you can do it too (MERLOT), licensed under CC BY NC.
Water 3: Accounting For Our Water Needs (OER Commons) lecture notes licensed under CC BY NC.
Water and Human Health (OER Commons) course readings and activities licensed under CC BY NC SA.
Water Resource Management (OER Commons) lesson.
Water crisis (OER Commons) course readings and activities licensed under CC BY NC SA.
Water in the West: The Scary Truth about our most Precious Resource (MERLOT).
Water: Science and Society (OER Commons) full course licensed under CC BY NC SA.
Water 032 - Water Supply and Demand in California (MERLOT) textbook licensed under CC BY NC SA.
American Water Works Association
The American Water Works Association is an international nonprofit educational association dedicated to safe water. Founded in 1881 as a forum for water professionals to share information and learn from each other for the common good, AWWA is the authoritative resource for knowledge, information, and advocacy for improving the quality and supply of water in North America.
FAO's Global Information System on water resources and agricultural water management. Includes geospatial datasets and tools.
California Irrigation Management Information System (CIMIS)
Provides data useful in estimating crop water use for irrigation scheduling.
Information on how data and tools help EPA protect and restore our waters to ensure that they are drinkable, fishable and swimmable.
The Groundwater Foundation is a nonprofit organization that educates people and inspires action to ensure sustainable, clean groundwater for future generations.
Groundwater Protection Council
The Ground Water Protection Council is an organization whose members consist of state ground water regulatory agencies which come together within the GWPC organization to mutually work toward the protection of the nation’s ground water supplies. The purpose of the GWPC is to promote and ensure the use of best management practices and fair but effective laws regarding comprehensive ground water protection.
Hydrologic Prediction Service (National Weather Service)
Advanced Hydrologic Prediction Service (AHPS) is a web-based suite of accurate and information-rich forecast products. They display the magnitude and uncertainty of occurrence of floods or droughts, from hours to days and months, in advance.
National Ground Water Association
The National Ground Water Association is a nonprofit organization composed of U.S. and international groundwater professionals — contractors, scientists and engineers, equipment manufacturers, and suppliers. Our purpose is to provide guidance to members, government representatives, and the public for sound scientific, economic, and beneficial development, protection, and management of the world's groundwater resources.
STORET (US Environmental Protection Agency)
The STOrage and RETrieval and Water Quality eXchange, from US EPA is a repository for water quality, biological, and physical data used by state environmental agencies, EPA and other federal agencies, universities, and private citizens.
USDA Water Quality Information Center
Water Quality Information Center (WQIC) provides electronic access to information on water quality and agriculture. The center collects, organizes, and communicates the scientific findings, educational methodologies, and public policy issues related to water quality and agriculture.
This site from the United States Environmental Protection Agency (EPA) features a host of resources about water and water-related issues.
USGS California Water Science Center
Data and scientific analyses to address water issues facing California. Includes data, tools, and publications.
USGS Groundwater Data for the Nation
The Groundwater database consists of more than 850,000 records of wells, springs, test holes, tunnels, drains, and excavations in the United States. Available site descriptive information includes well location information such as latitude and longitude, well depth, and aquifer.
Water Conditions (California Department of Water Resources)
Provides data on water conditions in California including data on reservoir conditions, groundwater, water quality and water supply.
Find your water footprint!
From the UN Global Compact. Locate water projects and organizations around the world.
World Water Assessment Programme (UNESCO WWAP)
The UNESCO World Water Assessment Programme (UNESCO WWAP) coordinates the work of 31 UN-Water members and partners in the World Water Development Report.