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  2. What are leaking underground storage tanks and how are they ...

    www.aol.com/news/leaking-underground-storage...

    More than 516,000 leaks have been cleaned up since Congress directed EPA to begin regulating underground tanks in 1984, but more than 57,000 known sites still await a full cleanup, the EPA said ...

  3. O'Shaughnessy Dam (Ohio) - Wikipedia

    en.wikipedia.org/wiki/O'Shaughnessy_Dam_(Ohio)

    The O'Shaughnessy Dam is located on the Scioto River near Dublin, Ohio, United States.The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus.

  4. Fixing a massive NYC plumbing leak, 55 stories underground - AOL

    www.aol.com/news/fixing-massive-nyc-plumbing...

    New York City is in the midst of a plumbing repair job of monumental proportions. Hard-hat workers are toiling deep underground, 55 stories beneath the Hudson River, to eliminate gushing leaks in ...

  5. Spring (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Spring_(hydrology)

    Factors that affect the recharge include the size of the area in which groundwater is captured, the amount of precipitation, the size of capture points, and the size of the spring outlet. Water may leak into the underground system from many sources including permeable earth, sinkholes, and losing streams.

  6. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    There are other ways to detect leakage, while reducing costs for exploratory excavation. Ground geo-phones with signal filtering are very useful to pinpoint leakage locations. An escaping pressurized water jet underground can create a faint noise which will be muffled on its way to the surface.

  7. List of pipeline accidents in the United States before 1900

    en.wikipedia.org/wiki/List_of_pipeline_accidents...

    In the twentieth century, the Pipeline and Hazardous Materials Safety Administration (PHMSA), a U.S. Department of Transportation agency, would be established to develop and enforce regulations for the safe and environmentally sound operation of the United States' pipelines, and to collect data on pipeline leaks, accidents, and explosions. [2]

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