Law & History

Wastewater Treatment-Secondary and Tertiary Treatment

In our last post on Wastewater Treatment, we covered Pretreatment and Primary Treatment. Today we’ll finish off the treatment process with Secondary and Tertiary Treatment.   Secondary treatment is designed to substantially degrade the biological content of the sewage which are derived from human waste, food waste, soaps and detergent. The majority of municipal plants treat […]

By admin | Education . Law & History . Technology
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Filters-A Short History

Water filtration is an important part of the treatment process. A water filter removes impurities from water by means of a fine physical barrier, a chemical process or a biological process. Filters use sieving, adsorption, ion exchanges, and other processes to remove impurities. Unlike a sieve or screen, a filter can remove particles much smaller than the holes through which the water passes. Modern-day treatment plants use […]

By admin | Education . Law & History . Safety
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Surface Water-Lakes: Part 2

A lake carries you into recesses of feeling otherwise impenetrable.  ~William Wordsworth   Like last week’s post highlighting Thoreau’s enjoyment of lakes, Wordsworth also recognized the beauty and the deeply personal inspiration a lake can provide. The beauty of any lake affects different people in different ways, much like a lake can be polluted or […]

By admin | Education . Law & History . US Waterways
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Water Technology – Water to Energy, Literally!

In a few of our previous blogs posts, we covered the development of geothermal energy and the use of dams and rivers to create hydroelectricity. On the American Water College Facebook page, we shared a link demonstrating how Texas is actively pursuing both fresh water and energy production at the same time by building a natural gas-fired power […]

By admin | Education . Law & History . News . Technology
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Wastewater Treatment – Then and Now

In 1909, the city of Santa Monica was featured in the Municipal Journal and Engineer for their nine-month operation of a magneto-electrolytic sewage purification plant. The theory at the time was that charging sewage with electricity was sufficient to render the sewage safe and free of disease. According to the article, the cost for the city […]

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Water Fact Friday

Continuing the theme from last week, here are a few more facts about water and water history. Enjoy!   The New England Water Works Association held it’s first meeting in Boston, Massachusetts, on April 19th, 1882. For the last 131 years, the NEWWA has worked to advance the knowledge, science, government awareness, public trust, and environmental […]

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Central Arizona Project – Part 3

For our final post in this series, let’s take a look at Lake Havasu. Lake Havasu is a reservoir behind Parker Dam on the Colorado River on the border between California and Arizona, and has a capacity of 648,000 acre-ft (211 billion gallons of water). Parker Dam was constructed by the US Bureau of Reclamation […]

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Five Fun Water Facts for Friday

We hope you enjoy a few facts about water and treatment history!   The first municipal water filtration works opened in Paisley, Scotland in 1832. The first United States water plant with filters was built in 1872 in Poughkeepsie, New York.   The average person in the United States uses 80 to 100 gallons of […]

By admin | Education . Law & History
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