In the past several months, three schools in the San Diego region have revealed the presence of alarming levels of lead in their drinking water.
Lead is unsafe at any level and it is especially damaging to children’s brains.
Now, San Diego Unified and other school districts across the county are moving to test many more schools.
Here’s what we know and what we do not.
Three Schools Reported Lead Problems
At La Mirada Elementary School in San Ysidro, samples taken last fall found alarming levels of lead coming from eight drinking fountains.
At the shared campus of Emerson-Bandini Elementary School and the San Diego Cooperative Charter School 2 in Mountain View, tests taken in early March found alarming levels of lead at one water fountain and two sinks.
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A few small semi-informed notes:
* Lead paint and lead contaminated soil are generally thought to be the primary sources of lead exposure. Worth being clear about this.
* There's a lot of plumbing from the early 80s and earlier everywhere. Generally these don't leech excessive lead (true, any lead is excessive) -- the problem is with corrosion, so water systems are required to treat their water to minimize plumbing corrosion. This was the problem in Flint. Has this been investigated here? A small distinction, but worth being clear about.
* You gave the example of Linda Vista but I suspect the testing/data refers only to 92111. That zip code is split between Linda Vista, built in the '40s, and eastern Clairemont, built in the '70s & '80s. It's probably Clairemont that's being tested for water contamination. Worth noting that Linda Vista, with a lot of '40s housing that has not been reinvested in, is a hot spot for paint/soil lead exposure.