That site has a data table and lists the number of sites per state. Minnesota only has 4 sites. I don’t know if that is high or low, but seems low given the number of wastewater treatment plants that I hope are in Minnesota. (About 1 per city, of which there are at least 100 cities in Minnesota.
If anyone wants the data directly from the CDC. https://www.cdc.gov/nwss/rv/COVID19-currentlevels.html
That site has a data table and lists the number of sites per state. Minnesota only has 4 sites. I don’t know if that is high or low, but seems low given the number of wastewater treatment plants that I hope are in Minnesota. (About 1 per city, of which there are at least 100 cities in Minnesota.
One per city is not going to cut it, probably closer to one per 100,000 people at best.