Ever since Congress passed the Clean Water Act more than fifty years ago, the EPA, the White House and the Supreme Court have wrestled over what legally constitutes “Waters of the United States.” This past Friday, the Biden administration finalized a rule to expand protections from the Clean Water Act nationwide, but the Supreme Court’s decision in an upcoming case could complicate the situation. POLITICO’s Annie Snider reports. Kelsey Tamborrino is a clean energy reporter for POLITICO. Annie Snider is a water issues reporter for POLITICO Pro. Kara Tabor is an audio producer for POLITICO. Raghu Manavalan is a senior editor for POLITICO audio. Jenny Ament is the executive producer of POLITICO’s audio department. Learn more about your ad choices. Visit megaphone.fm/adchoices