Yes, My Tap Water Is Cloudy!

I've been wondering what the heck was going on with this, and the blog with the best name ever, Van Nuys' "Come On Feel The Nuys" by Steve Rosenberg tells us why (and he got the answer from LAist):

Is Your Tap Water Cloudy?

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The faucets have been a bit bubbly, and the water has been coming out rather cloudy in Van Nuys/Sherman Oaks/whatever-you-call-it.

LAist has the answer (via the good ol' DWP):

The cold water within the DWP's cold underground pipes is holding a lot of undissolved air (cold water tends to hold more air). And water under pressure, like it is in the municipal water system, holds even more air.

And that water is colder than normal due to the snow melting in the Eastern Sierras and dumping that extra-cold water into the California Aqueduct.

Add to our unusually hot-for-March weather, and the temperature difference makes for more air escaping from the water than normal once it comes out of the tap and leaves the pressurized environment of both the DWP's and your pipes.

When that water gets into your much-warmer home, the air begins to escape in the form of those bubbles, which causes the cloudiness in the liquid.

Eventually your water will clear up. And there's nothing wrong with it — and nothing to worry about.

And according to LAist, it's worse in the Valley, where it's generally warmer than in many other areas of L.A.

Thanks to Steve and LAist for solving the mystery that I thought was only happening to me.


  1. Thank you! Been wondering about this recently.

  2. You just saved me a bunch of money - I was thinking I need to have my house re-piped. Thank you!


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