Alberta Wilderness Association.They’ve found numerous items including coffee cups, beer cans, towels, clothing and even discarded office furniture.But the most disturbing discovery, he said, has been feces — it’s not known if it’s human.“In Pearce Estate Park, we found feces fairly close to the river and where people are,” Schmidt said. “I don’t want to speculate too much, but my guess would be it’s a popular place to raft and do those kinds of activities and people needed a bathroom break.“People were using that as a toilet.” Calgary to see more enforcement officers in parks, extra waste pickup amid COVID-19 pandemic Schmidt said such behaviour could be curbed if portable potties were put out in the areas and more garbage cans were.