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  1. Potable Water - Water Education Foundation

    Sep 15, 2014 · Potable Water 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 …

  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. Water Treatment - Water Education Foundation

    Sep 15, 2014 · Drinking water systems nationwide have spent hundreds of billions of dollars to construct water treatment and distribution systems and spend billions more for annual …

  4. Surface Water Treatment - Water Education Foundation

    Sep 15, 2014 · Surface water undergoes many processes before it reaches a consumer’s tap. When water enters a treatment plant [see also Wastewater Treatment], the first step is …

  5. How is Drinking Water Treated? - Water Education Foundation

    Sep 15, 2014 · The first drinking water regulations prohibited the use of a common drinking cup on trains. The first federal drinking water standard, adopted in 1914, was limited to …

  6. Topic: Water Recycling - Water Education Foundation

    Jan 8, 2026 · Water recycling treats wastewater so it can be used for drinking water, farming, housing, and industry. Communities across the U.S. also turn to water recycling to increase …

  7. Grey Water - Water Education Foundation

    Sep 15, 2014 · Grey water, also spelled as gray water, is water that already has been used domestically, commercially and industrially. ...

  8. 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 …

  9. Water Education Foundation - Everything about California water …

    Jun 22, 2020 · The state’s enormous cache of underground water is a great natural resource and has contributed to the state becoming the nation’s top agricultural producer and leader in high …

  10. The Earth’s Water Supply - Water Education Foundation

    Sep 15, 2014 · Of all the water on Earth, only a small percentage is drinkable, fresh water.