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  2. Water testing - Wikipedia

    en.wikipedia.org/wiki/Water_testing

    Water testing being conducted at a treatment facility in Broken Bow, Oklahoma. Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety. [1] Testing may be performed to evaluate:

  3. Water quality - Wikipedia

    en.wikipedia.org/wiki/Water_quality

    A rosette sampler is used for collecting water samples in deep water, such as the Great Lakes or oceans, for water quality testing.. Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage.

  4. Drinking water quality in the United States - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality_in...

    The Safe Drinking Water Act requires the US EPA to set standards for drinking water quality in public water systems (entities that provide water for human consumption to at least 25 people for at least 60 days a year). [3] Enforcement of the standards is mostly carried out by state health agencies. [4]

  5. 10 American Cities With the Worst Drinking Water - AOL

    www.aol.com/news/2011-01-31-ten-american-cities...

    Texas conducted 22,083 water quality tests between 2004 and 2007 on Houston's water supply, and found 18 chemicals that exceeded federal and state health guidelines, compared to the national ...

  6. Bioindicator - Wikipedia

    en.wikipedia.org/wiki/Bioindicator

    Benthic indicators are the most frequently used water quality test within the United States. [9] While benthic indicators should not be used to track the origins of stressors in rivers and streams, they can provide background on the types of sources that are often associated with the observed stressors. [49]

  7. Here's what to know about Seine River water quality during ...

    www.aol.com/lifestyle/heres-know-seine-river...

    Water quality tests in June revealed unsafe levels of E. coli bacteria, though results in early July showed improvement. E. coli is found in human and animal digestive tracts and waste. Most ...