Provisional data from the Centers for Disease Control and Prevention’s National Vital Statistics System indicated a nearly 24% decline in drug overdose deaths in the United States for the 12 months ending in September 2024, compared to the previous year.
If so, wastewater concentration levels should remain high.
Maybe. All the users dying not only lowered the number of users in a very direct fashion, but likely convinced a bunch of others to seek their high elsewhere.