DENVER — Discolored water containing metals escaped into a Colorado creek from a wastewater treatment plant after heavy rain fell near the site of an earlier mine waste spill, the U.S. Environmental Protection Agency said Thursday. The EPA hasn't identified the metals or quantities that were released in the incident Tuesday near the Gold King Mine in southwestern Colorado. Local officials said the release wasn't big enough to warrant a public advisory. Last year, an EPA-led crew inadvertently triggered a 3-million-gallon spill while doing preliminary cleanup work at the mine, tainting rivers in Colorado, New Mexico and Utah. Read more on Colorado Springs Gazette