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  1. Potable Water - Water Education Foundation

    Sep 15, 2014 · Potable water, also known as drinking water, comes from surface and ground sources and is treated to levels that that meet state and federal standards for consumption.

  2. Recycled Water - Water Education Foundation

    Sep 15, 2014 · Recycled water is also produced by purifying wastewater for safe use in drinking (potable) water and for non-potable uses such as irrigation. Recycling wastewater provides a …

  3. Desalination - Water Education Foundation

    Sep 15, 2014 · Massive public works projects helped make the state’s system what it is today, but drought and a changing climate are game changers – calling for a revised view of water use …

  4. Surface Water vs. Groundwater - Water Education Foundation

    Sep 15, 2014 · The nation’s surface-water resources—the water in the nation’s rivers, streams, creeks, lakes, and reservoirs—are vitally important to our everyday life. The main uses of …

  5. Water Recycling and Title 22 - Water Education Foundation

    Sep 15, 2014 · Water Recycling and Title 22 Cambria Sustainable Water Facility, which recycles wastewater into an eventual drinking-water source. Title 22 of California’s Code of Regulations …

  6. Grey Water - Water Education Foundation

    Sep 15, 2014 · Grey Water Grey water, also spelled as gray water, is water that already has been used domestically, commercially and industrially. This includes the leftover, untreated water …

  7. Freshwater - Water Education Foundation

    Sep 15, 2014 · Most of the Earth’s water is saline, 97.5 percent with only 2.5 percent fresh. Of this water, about 70 percent is confined in glaciers and permanent snow in the Arctic, meaning the …

  8. Trihalomethanes (THMs) - Water Education Foundation

    Sep 15, 2014 · Trihalomethanes (THMs) Trihalomethanes are the most common type of “disinfection byproduct,” which is a substance created from the treatment of water with organic …

  9. Water Use: Virtual Water - Water Education Foundation

    Sep 15, 2014 · In most developed countries, urban water users are connected to water through their municipal water delivery system and their home plumbing system. People turn on the tap, …

  10. Topic: Surface Water - Water Education Foundation

    Dec 17, 2025 · The story of California’s surface water— water that remains on the earth’s surface, in rivers, streams, lakes, reservoirs or ...