Monthly Archives: May 2011

Associated Press’ Water Supply Update

Apparently, I was not the only person investigating the California water supply situation last week. Tracie Cone of the Associated Press has this report: http://hosted.ap.org/dynamic/stories/U/US_YOSEMITE_WATERFALLS?SITE=VOICESD&SECTION=HOME&TEMPLATE=DEFAULT Her conclusions are the same as my findings from King’s Canyon. She was just a …
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Fluoride — Are We Done Here?

I know I said I would be off for the weekend, but I have received a couple of tips from readers on the subject of fluoridation of drinking water. As these readers know, I am adamantly opposed to this practice. …
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Happy Memorial Day

Like many of you, I will be taking a couple days off this weekend, in observance of Memorial Day. Thanks to my sister Meg for sending along this cartoon, which I feel captures the spirit of the celebration rather well. …
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Summer Is Coming — So Are High Water Demands

Where is 2011 going? We’re already at Memorial Day Weekend — the unofficial start of Summer (at least in the Northern Hemisphere.) And with the warmer weather comes the increased demand for water. The water supply in California this year …
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WQ 1 – The Nature of Water

This course explores the unique substance water from a basic chemistry standpoint.  Includes definitions of several beginning chemistry terms including matter, energy, substances, mixtures, atoms, molecules and ions.  Course intended for Water Operator contact hours and continuing education. Approximate length:  …
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WD 1 – The Hydrologic Cycle

This course examines the hydrologic cycle on Planet Earth, including terminology for the changes of state and movement of water.  Also included is a discussion of water storage on the planet, and alternative sources of water supply.  Course intended for …
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Lithium In Water Supplies?

Thanks to the bro-in-law for sending me the following story. See: http://www.thedaily.com/page/2011/05/22/052211-news-lithium-1-5/ Lithium is used as a medicine to treat bipolar disorder and depression. Statisticians — as opposed to scientists — have identified a remarkable correlation between lithium in the …
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Iceland Volcano Eruption: Whose Fault Is This?

What’s up with Iceland? Another volcanic eruption? What is the cause of all this? Who is to blame? Today’s photo is a satellite view of the ash cloud from the latest volcano to blow its stack in Iceland: Grimsvotn. At …
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Milestones

Today’s photo is another from my expedition last week into the Sierra Nevada, in search of water. I found it even farther upstream on the King’s River, near “Road’s End” at the far eastern end of King’s Canyon. This is …
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Water Supply Update: Up Sheep Creek!

News flash! This just in! There’s water in them thar hills! As promised, I have completed my mission to analyze first hand the water supply situation in California. As can be seen in the accompanying photo, there is indeed water …
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pH — That’s Little p and Capital H!

With the California Water Treatment Operator exam coming up this Saturday, Follower Raffy is looking for guidance on the concept of pH. Look at my previous post on the topic at: http://mcleanwatertraining.blogspot.com/2010/11/water-quality-ph.html But Raffy’s request does allow me to rant …
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Slow Sand Filtration

Follower Hugh apparently thinks that Schmutzdecke is in the same category as unicorns and leprechauns: he doesn’t believe they exist. As an Irishman, I can easily vouch for the leprechauns! But the schmutzdecke will take a little explaining. Let’s start …
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Water Quality and Treatment in Reservoirs

Sorry to have missed you the past few days, but I have had computer and Google difficulties. Looks like we’re all clear now — and just in time for the final week before the California Water Treatment Operator exam next …
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Reservoirs For Raw Water

In the last post, we looked at reservoirs for treated water storage in water distribution systems. Today we will look at the much larger reservoirs that we use to store untreated — or “raw” — water. As we saw in …
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Reservoirs and Water Density

Follower Hugh is getting ready for the May 21 exam, and asks about reservoirs. So here we go! Reservoirs are remarkably versatile hydraulic structures. I don’t know how we would operate our distribution systems without them. You see, we have …
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