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Source Water Protection
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Underground Injection Control Program (UIC)

The UIC Program works with state and local governments to oversee underground injection of waste in order to prevent contamination of drinking water resources.


National Ground Water Reports

  • The National Water Quality Inventory Report to Congress (305(b) report) is the primary vehicle for informing Congress and the public about general water quality conditions in the United States. OGWDW has separately published (EPA-816-R-00-013) a three chapter volume containing a drinking water chapter with information submitted by states, territories and American Indian Tribes as well as chapters on ground water quality and ground water protection.
  • Wellhead Protection Program Biennial Report: Progress under approved state wellhead protection programs
  • Ground Water Report to Congress: the status of ground water quality in the United States and the effectiveness of State programs for ground water protection.

MTBE in Drinking Water

June 2000 - Follow this link to a fact sheet about MTBE and additional links to EPA MTBE information . MTBE (methyl-t-butyl ether) is a member of a group of chemicals commonly known as fuel oxygenates. MTBE is used in gasoline throughout the United States to reduce carbon monoxide and ozone levels caused by auto emissions. MTBE has replaced the use of lead as an octane enhancer since 1979. Due to its widespread use, reports of MTBE detections in the nation's ground and surface water supplies are increasing. The Office of Water is actively involved in identifying the issues and addressing the concerns over the potential presence of MTBE in our water supplies.

Private Drinking Water Wells

Approximately 42 million people ( US Geological Survey, 1995 ) in the U.S. obtain water from their own private drinking water supplies. Most of these supplies are drawn from ground water through wells. EPA does not oversee private wells, although some state and local governments do set rules to protect users of these wells. EPA encourages these households to take special precautions to ensure the protection and maintenance of their drinking water supplies. EPA has just released a new guide for homeowners entitled "Drinking Water From Household Wells." This booklet helps answer the most frequently asked questions. It also describes problems to look for and offers maintenance suggestions.



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