Between December 15 and December 21, the CDC detected "very high" levels of COVID-19 in the wastewater levels of 14 states: Oregon, Montana, Wyoming, Arizona, New Mexico, Oklahoma, Nebraska, South Dakota, Missouri, Minnesota, Kentucky, Pennsylvania, New Hampshire and Massachusetts. The CDC found "high" levels in 14 states: Idaho, Utah, Kansas, Iowa, Arkansas, Wisconsin, Michigan, Indiana, Ohio, South Carolina, Delaware, Connecticut, Rhode Island and Maine.
SARS-CoV-2 levels were found by the U.S. Centers for Disease Control and Prevention (CDC) to be "very high" in New Mexico for the period November 10 to November 16, 2024, and "high" in Arizona, Kentucky, Minnesota, Oklahoma, Pennsylvania, and South Dakota.