Why Does LA Tap Water Seem To Cause More Calcium Build-Up?

When you think about Los Angeles water, what usually comes to mind? The shady history of how the complex system came to be? Or maybe it’s the recent headlines about how certain districts in charge of providing water to local communities have been falling short. Regardless, one thing to note is that L.A.’s water system is big and convoluted and we’re going to attempt to scratch the surface. A KPCC/LAist listener asked: Why does the tap water have such high levels of calcium? Is the water like this in all of Los Angeles County? Let’s dig in.