» Purification

Drinking Water Treatment: Reverse Osmosis

This Nebraska Cooperative Extension guide discusses the principles and process of reverse osmosis treatment for household drinking water. Read More

Integrated Water Strategies — Water Recycling

This site has a wealth of information about natural water purification using wetlands and sand dunes. Read More

Water and Liquid Waste Treatment Plant and System Operators

This site gives water process operators information about their occupation, training, nature of work, employment, salary. Read More

Process Energy: Water/Wastewater Efficiency

Energy is the largest controllable cost in water and wastewater services. Here you will find information on proven methods and technologies that can help eliminate unnecessary waste of energy and money. Read More

Water Online

Marketplace for water professionals, articles and suppliers for latest equipment, events and on-line workshops. Read More

WaterTech Online

Online magazine that hosts up-to-date articles on standards, news, regulations, equiipment and other relevant information to those working with water/wastewater, archives news articles. Free subscription. Read More


EERL's mission is to be the best possible online collection of environmental and energy sustainability resources for community college educators and for their students. The resources are also available for practitioners and the public.


EERL is a product of a community college-based National Science Foundation Center, the Advanced Technology Environmental and Energy Center (ATEEC), and its partners.

Contact ATEEC 563.441.4087 or by email ateec@eicc.edu