I’m spending a week in La Jolla, CA, USA, about 15ft above sea level and I’m wondering where the sewage goes? There’s no room between here and the sea for a treatment plant. There’s pretty big apartment complexes and hotels that would need enormous septic tanks. How does it work?
https://www.theguardian.com/environment/2023/aug/05/investigation-after-57-world-triathlon-championship-swimmers-fall-sick-and-get-diarrhoea-in-sunderland-race