Most Wanted Microbes – Cyanobacteria (a.k.a. Blue Green Algae)

  An image search for the term “algae” quickly reveals a page filled with photos of green-colored surface water. Many of these green blooms that often invade our lakes and rivers are well known by water treatment professionals and the public as ‘blue-green algae’. It’s responsible for beach closures, public health risks, and creates significant… Read More

Hurricane Season

  With the start of the 2018 hurricane season right around the corner, many people living in the Caribbean and along the Gulf of Mexico and Atlantic coasts of North America are holding their collective breath. The 2017 season produced a series of storms that resulted in significant loss of life as well as billions… Read More

Most Wanted Microbes – Brain-Eating Amoeba

  From the editor: This is the seventh post in an ongoing series profiling microorganisms of particular significance in water and wastewater systems. In this series we will cover microorganisms of many types including some that are beneficial, inhibitory and pathogenic.  Naegleria fowleri or brain-eating amoeba is a thermophilic, pathogenic, single celled eukaryote. They are typically found in… Read More

Hidden in Plain Sight – Nitrifying Bacteria in Monochlorinated Distribution Systems

  If you are using heterotrophic plate counts (HPCs) to identify nitrifying bacteria – you won’t find them. As it mentions in the name, HPCs only measure heterotrophic bacteria. These organisms feed off organic carbon compounds like fats, carbohydrates, and proteins while autotrophic bacteria produce their own food from basic energy sources like sunlight or… Read More

Most Wanted Microbes: Cryptosporidium

  From the editor: This is the sixth post in an ongoing series profiling microorganisms of particular significance in water and wastewater systems. In this series we will cover microorganisms of many types including some that are beneficial, inhibitory and pathogenic.  Cryptosporidium, commonly known as Crypto, is a cyst-forming parasite commonly associated with the faecal… Read More

The Cape Town Water Crisis: Potential Novel Solutions

  The water crisis in Cape Town, South Africa has drawn worldwide attention to the region’s ongoing struggles with drinking water availability and, internationally, to diminishing water supplies and the importance of water management and conservation. A prolonged drought in Cape Town forced local authorities to institute drastic water saving measures in an effort to… Read More

Most Wanted Microbes – Legionella

  From the editor: This is the fifth post in an ongoing series profiling microorganisms of particular significance in water and wastewater systems. In this series we will cover microorganisms of many types including some that are beneficial, inhibitory and pathogenic. Legionella is a mesophilic, pathogenic organism that can cause Legionnaire’s Disease, a potentially fatal… Read More

Most Wanted Microbes – Nitrifiers (a.k.a. Nitrosomonas)

  From the editor: This is the fourth post in an ongoing series profiling microorganisms of particular significance in water and wastewater systems. In this series we will cover microorganisms of many types including some that are beneficial, inhibitory and pathogenic.  Nitrification is a two-part process whereby ammonia is converted to nitrate. The first step… Read More

Test your water know-how

  Everyone loves quizzes, right? Right. So, in honour of our 15th anniversary here at LuminUltra, here are 15 questions that’ll let you test just how much you know about water. 1.  What’s the average pH level of fresh water? a) 3 b) 5 c) 7 d) 9   2.  What percentage of the Earth’s… Read More

Water Resources on the Web

  Water is a topic that we all share an interest in. Whatever corner of the globe you’re from, water matters. This global interest is reflected in the quantity and quality of water resources available on the Internet. At LuminUltra, we try to stay on top of what’s happening, not just in the field of… Read More