At present, there are some sewersheds reporting to WastewaterSCAN that are very high:

Little River, Roswell, GA: 1702 PMMoV (perhaps 1 in 50 infectious)
West Boise, ID: 823
West Bank, New Orleans, LA: 721
Utoy Creek, Atlanta, GA: 531
East Bank, New Orleans, LA: 510
Eastern, Orange County, FL: 448
Southwest, Orange County, FL: 443
Key Biscayne, FL: 435
Tallahassee, FL: 426
St. Cloud, MN: 408

At 400 PMMoV, between 1 in 60 and 70 is infectious. 1/3

https://data.wastewaterscan.org/tracker?charts=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%3D%3D&selectedChartId=23f403