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  2. Hinkley groundwater contamination - Wikipedia

    en.wikipedia.org/wiki/Hinkley_groundwater...

    A 2007 toxicity report for the National Toxicology Program provided evidence that high doses of chromium 6 caused cancers of the gastrointestinal tract in rats and mice at levels higher than 5 mg/L of water, (5 ppm, or 5,000 ppb). [41] [42] Average hexavalent chromium levels in Hinkley were recorded at 1.19 ppb, with an estimated peak of 20 ppb.

  3. List of Superfund sites - Wikipedia

    en.wikipedia.org/wiki/List_of_Superfund_sites

    A map of Superfund sites as of October 2013. Red indicates currently on final National Priority List, yellow is proposed, green is deleted (usually meaning having been cleaned up). Superfund sites are polluted locations in the United States requiring a long-term response to clean up hazardous material contaminations. Sites include landfills ...

  4. Groundwater pollution - Wikipedia

    en.wikipedia.org/wiki/Groundwater_pollution

    Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.

  5. Coastal hydrogeology - Wikipedia

    en.wikipedia.org/wiki/Coastal_hydrogeology

    Tidal efficiency of the magnitude of the oscillation of water level in a well to the oscillation of sea level is about 42% to 44%. [39] For example, if the magnitude of the oscillation of the sea level is 1 meter, the magnitude of the oscillation of water level will be 0.42 to 0.44 meter.

  6. Thousands in Eastern Kentucky still without water. Towns ...

    www.aol.com/news/thousands-eastern-kentucky...

    Weather. 24/7 Help. For premium support please call: 800-290-4726 more ... Kentucky Rural Water Association has seven staff on the ground in Eastern Kentucky helping devastated local utilities ...

  7. US declares species once found in Kentucky extinct ... - AOL

    www.aol.com/us-declares-species-once-found...

    An environmentally beneficial species native to Kentucky was one of 21 species recently delisted. US declares species once found in Kentucky extinct. What does it mean for water quality?

  8. Water table - Wikipedia

    en.wikipedia.org/wiki/Water_table

    Below the water table, in the phreatic zone (zone of saturation), layers of permeable rock that yield groundwater are called aquifers. In less permeable soils, such as tight bedrock formations and historic lakebed deposits, the water table may be more difficult to define. “Water table” and “water level” are not synonymous. If a deeper ...

  9. Father of 2 Missing Since the Holidays Reportedly Found Dead ...

    www.aol.com/lifestyle/father-2-missing-since...

    The body of a Michigan father who went missing while attending a family gathering over the holidays has reportedly been found. On Saturday, Jan. 4 at approximately 2 p.m. local time, 52-year-old ...