In January of this year, a state law went into effect that requires public schools throughout California to test their drinking water for lead by July of 2019. Lawmakers enacted the regulation in an effort to improve water quality at schools. And while thousands of water districts have now tested their water for lead, a special report out of the education news website EdSource found many ways in which the law is lacking . Listen to the audio for an interview with EdSource education reporter Nico Savidge about what the law requires, what test results are showing, and why some think the law is insufficient. You can search for your school on this interactive map published by EdSource .