Water quality and contaminant issues vary based on geographic location and individual systems. Learn about water quality issues in municipal water systems and private wells in other parts of the country through books and activities.
Transforming EPA Science to Meet Today's and Tomorrow's Challenges
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Since its establishment in 1970, the mission of the Environmental Protection Agency is to protect human health and the environment. EPA develops regulations, ensures compliance, and issues policies, in coordination with state, tribal, and local governments. To accomplish its mission, EPA should be equipped to produce and access the highest quality and most advanced science. The Office of Research and Development (ORD) provides the scientific bases for regulatory and public health policies that have broad impacts on the nation's natural resources and quality of human life, and that yield economic benefits and incur compliance costs for the regulated community. In addition, ORD develops the agency core research capabilities, providing tools and methods for meeting current and anticipating future environmental challenges, such as the risks to health and the environment posed by climate change. Because challenges associated with environmental protection today are complex and affected by many interacting factors, the report points to the need for a substantially broader and better integrated approach to environmental protection. This report calls for EPA ORD to pursue all of its scientific aims in a new framework?to apply systems thinking to a One Environment ? One Health approach in all aspects of ORD work. To accomplish this, the report provides actionable recommendations on how ORD might consider incorporating emerging science and systems thinking into the agency research planning, so that ORD can become an increasingly impactful organization. The report identifies a number of high-priority recommendations for ORD to pursue in taking advantage of a broad range of advanced tools, in concert with collaborators in other federal agencies and the broader scientific community. Given the resource constraints, the report recognizes that ORD will have to make decisions about priorities for implementing its recommendations, and that ORD leadership is in the best position to set those priorities as implementation begins. The report concluded by stating that shifting to a systems-thinking approach will require renewed support from science leadership, enhanced strategic planning, investment in new and broader expertise and tools, and a reimagined and inclusive commitment to communication and collaboration.
Guidelines for drinking-water quality, 4th ed
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The fourth edition incorporating the first and second addenda, of the World Health Organization’s (WHO) Guidelines for drinking-water quality (GDWQ) builds on over 60 years of guidance by WHO on drinking-water quality, which has formed an authoritative basis for the setting of national regulations and standards for water safety in support of public health.
It is the product of significant revisions to clarify and elaborate on ways of implementing its recommendations of contextual hazard identification and risk management, through the establishment of health-based targets, catchment-to-consumer water safety plans and independent surveillance.
Updates in this latest edition reflect new evidence and further, provides additional explanations to support better understanding and application of the guidance. More details on the updates are included in the GDWQ preface.