Pollution and Water Quality
According to the United Nations, declining water quality has become a global issue of concern as human populations grow, industrial and agricultural activities expand, and climate change threatens to cause major alterations to the hydrological cycle. Resources available in this sub-theme include manuals describing water quality testing and treatment, reports and assessments of water quality from around the world, methods of maintaining water quality and managing pollution, and other resources that support enabling environments for effective water quality control.
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Pollution and Water Quality Resources
AQUATOX 3.1 Plus Simulation Model for Aquatic Systems
U.S. Environmental Protection Agency
AQUATOX is a simulation model for aquatic systems. AQUATOX predicts the flow of pollutants, such as nutrients and organic chemicals, and their effects on the ecosystem, including fish, invertebrates and aquatic plants. This model is a valuable tool for ecologists, biologists, water quality modelers...Read more
System for Urban Stormwater Treatment Analysis Integration Model (Sustain)
U.S. Environmental Protection Agency
SUSTAIN is a decision support system that will assist storm water management professionals in developing implementation plans for flow and pollution control to protect sources waters. It will also assist watershed and storm water practitioners to develop, evaluate and select optimal best management...Read more
Water Questions and Answers
Published:
March 17, 2014U.S. Geological Survey, U.S. Department of the Interior
A part of the USGS Water Science School, this page provides a series of questions and answers surrounding water. Topics include Water at Home, Water Use, Measuring Water, Water Chemistry and Quality, and the Water Around Us.Read more
Climate Resilience Evaluation Tool (CREAT)
Published:
January 1, 1970U.S. Environmental Protection Agency
EPA has developed CREAT, a software tool to assist drinking water and wastewater utility owners and operators in understanding potential climate change threats and in assessing the related risks at their individual utilities. CREAT provides users with access to the most recent national assessment...Read more
Water Quality Index for Runoff Water from Agricultural Fields (WQIag)
U.S. Department of Agriculture
Water Quality Index for Runoff from Agricultural Fields (WQI) is currently being developed by the USDA/NRCS-WNTSC National Water Quality/Quantity Team in Portland, Oregon. The purpose/benefits of this tool include: comparative assessment over time & space, no substitute for monitoring/...Read more
Agricultural Policy/Environmental eXtender (APEX)
U.S. Department of Agriculture
The Agricultural Policy/Environmental eXtender (APEX) model was developed for use in whole farm/small watershed management. The model was constructed to evaluate various land management strategies considering sustainability, erosion (wind, sheet, and channel), economics, water supply and quality,...Read more
Agricultural Non-Point Source Pollution Model
U.S. Department of Agriculture
AGNPS is a tool for use in evaluating the effect of management decisions impacting water, sediment and chemical loadings within a watershed system.
The term "AGNPS" now refers to the system of modeling components instead of the single event AGNPS, which was discontinued in the mid-1990...Read more
Watershed Conservation Screening Tool
The Nature Conservancy
The Watershed Conservation Screening Tool quickly measures the potential for five common watershed conservation activities to reduce sediment and nutrient pollution in a source watershed (surface water only). This tool will describe for each source watershed its land cover and estimate its...Read more
Hydrologic Engineering Center River Analysis System
U.S. Army Corps of Engineers
This software allows the user to perform one-dimensional steady flow, one and two-dimensional unsteady flow calculations, sediment transport/mobile bed computations, and water temperature/water quality modeling.Read more
Water Risk Filter
World Wildlife Fund
This tool helps companies and investors ask the right questions about water. It allows you to assess risks and offers guidance on what to do in response.Read more
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