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  2. Pittsburgh water crisis - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_water_crisis

    Since the Pittsburgh Water and Sewer Authority (PWSA) first failed its water quality test in 2016, it has exceeded the federal lead threshold of 15 ppb by almost 1.5 times. [1] This level of lead contamination poses serious health risks to residents, particularly children and pregnant women. [2]

  3. Lead contamination in Washington, D.C., drinking water

    en.wikipedia.org/wiki/Lead_contamination_in...

    The lead levels required WASA to conduct a wider survey of their water quality. By the fall of 2003, it had tested more than 6,000 homes in the District, finding that two-thirds tested had more than 15 ppb of lead in their water. [3] The survey showed that over 4,000 homes served by WASA had lead levels exceeding the acceptable level. [7]

  4. Drinking water quality in the United States - Wikipedia

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

    Under the LCR, if tests show that the level of lead in drinking water is in the area of 15 ppb or higher, it is advisable—especially if there are young children in the home—to replace old pipes, to filter water, or to use bottled water. EPA estimates that more than 40 million U.S. residents use water "that can contain lead in excess of 15 ppb".

  5. Elevated lead levels found in drinking water at Oakland ... - AOL

    www.aol.com/elevated-lead-levels-found-drinking...

    The district's standard of 5 ppb is more strict compared to the state and federal guidelines of 15 ppb, which the U.S. Environmental Protection Agency set as the action level for lead in drinking ...

  6. University Park officials express shock as state, county file ...

    www.aol.com/university-park-officials-express...

    If the result of the water is above 15 ppb for lead, the resident will be eligible to receive a free filter device and an inspection of the visible plumbing. If needed, further testing and ...

  7. High lead level warning in Cotswold village water

    www.aol.com/high-lead-level-warning-cotswold...

    Residents of a Cotswold village have been told not to drink tap water after high levels of lead were found in it due to lead piping. Thames Water has issued the warning to 34 properties in Bourton ...

  8. Flint water crisis - Wikipedia

    en.wikipedia.org/wiki/Flint_water_crisis

    In areas where water lead levels were considered high at ≥ 15 ppb, which is the maximum amount of lead allowed in water per the Safe Drinking Water Act Lead and Copper Rule, the average proportion of Flint children with elevated blood-lead levels rose from 4% to 10.6%. [9]

  9. Lead and Copper Rule - Wikipedia

    en.wikipedia.org/wiki/Lead_and_Copper_Rule

    EPA illustration of lead sources in residential buildings Infographic about lead in drinking water. The Lead and Copper Rule (LCR) is a United States federal regulation that limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well as limiting the permissible amount of pipe corrosion occurring due to the water itself. [1]

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