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  2. How to best filter your L.A. tap water based on your ZIP Code

    www.aol.com/news/best-filter-l-tap-water...

    In 2023, the Los Angeles Department of Water and Power — which serves about 4 million people throughout the city of Los Angeles — sourced its tap water from the Los Angeles Aqueduct, the ...

  3. Drinking water quality in the United States - Wikipedia

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

    Eight percent of the community water systems—large municipal water systems—provide water to 82 percent of the US population. [2] 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 ...

  4. Porter-Cologne Water Quality Control Act - Wikipedia

    en.wikipedia.org/wiki/Porter-Cologne_Water...

    The Porter-Cologne Act (California Water Code, Section 7) was created in 1969 and is the law that governs water quality regulation in California. The legislation bears the names of legislators Carley V. Porter and Gordon Cologne. [1] It was established to be a program to protect water quality as well as beneficial uses of water.

  5. California State Water Resources Control Board - Wikipedia

    en.wikipedia.org/wiki/California_State_Water...

    In September 2022, the California State Water Resources Control Board added Assembly Bill 2108 to their Water Code to help eliminate these disparities. [24] The bill's goals are equitable and reinforced measures for Tribal nations and low-resourced communities affected by disproportionate water quality violations. [24]

  6. California Water Service - Wikipedia

    en.wikipedia.org/wiki/California_Water_Service

    California Water Service, commonly known as Cal Water, is an American company providing drinking water and wastewater services to a number of regions within the state of California. It was founded in 1926 and is based in San Jose, California , and provides service across multiple local districts, reaching more than 484,900 customers.

  7. Ultrapure water - Wikipedia

    en.wikipedia.org/wiki/Ultrapure_water

    Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including organic and inorganic compounds, dissolved and particulate matter, and ...

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