Water treatment
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In the US, 92 percent of US drinking water meets all EPA safety requirements. This high level of water safety is thanks to the country’s strict water treatment processes.

Water treatment involves removing all biological, physical, or chemical substances. As a result, we have safe, clear, palatable, colorless, odorless, and non-corrosive water. But what are the main steps water must go through before it reaches your family’s faucets? Keep reading to learn more about water treatment systems and processes in this step-by-step guide!

What Are the Steps to Water Treatment?

Step 1: Collection

The source water for a water treatment plant is usually a local river, lake, or reservoir. Often, the collection process involves a series of pumps and pipelines for transporting the water for processing. Companies tend to use gravity water flow as much as possible. This reduces the cost of pumping this water.

Step 2: Screening & StrainingWater treatment companies

Lakes and rivers often contain a range of different materials of varying sizes, from tiny microorganisms to tree trunks. Water treatment companies screen out these bigger items with a large metal screen. One of the most critical water treatment jobs involves the regular checking and cleaning of these screens.

Step 3: Coagulation & Flocculation

Water treatment systems must then add chemicals with a positive charge to the water. The positive amount of these chemicals neutralizes the negative charge of dirt and particles in the water. These particles then bind together to form heavier, larger particles, called floc.

Step 4: Sedimentation & Clarification

During sedimentation, the heavier floc settles to the bottom of the water supply. A rake then scrapes away the settled floc to clarify the water before filtration. This avoids overloading the filters with large unwanted particles.

Step 5: Filtration

Clarified water enters the filters from the top, as gravity pulls it down to be collected in a drain system for filtering. Sand and gravel were once the most common filtering materials. Now, most systems use granular activated carbon. Some advantages include its excellent mechanical filtration and ability to remove organic compounds.

Step 6: Disinfection

Next, water treatment companies add chlorine to destroy any remaining bacteria and viruses. That said, even after disinfection, your water may still be challenging due to significant amounts of dissolved calcium and magnesium. You can check your water hardness by zip code or a home water filtration system.

Step 7: Storage & Distribution

Once disinfected, the companies store this water in underground storage tanks called “clear wells.” Underground pipelines all over town distribute this water via underground pumps, overhead water storage tanks, fire hydrants, and front yard water meters.

The Steps Involved in Water Treatment

As this guide shows, there are many more steps involved in the water treatment process than many people realize. But, when combined, they work together to ensure that the country has access to safe and healthy drinking water at all times. Want more news updates and informative insights? Be sure to check out our other posts for all the latest tips, tricks, and how-to guides!

Article by

Alla Levin

Seattle business and lifestyle content creator who can’t get enough of business innovations, arts, not ordinary people and adventures.

About Author

Alla Levin

Hi, I’m Alla, a Seattle business and lifestyle content creator who can’t get enough of business innovations, arts, not ordinary people and adventures. My mission is to help you grow in your creativity, travel the world, and live life to the absolute fullest!

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