Yeah, it has been a while. But this website below was linked off a NY Times article I just read:
https://covid.cdc.gov/covid-data-tracker/#wastewater-surveillance
and of course, our dinky sewer plant is to small to be listed -
but one servicing a population of 47,000 is. Not hard to figure out which one.
Be careful. I'm signing up for my 4th jab, being old and overweight, with asthma.