WARNING: This story contains graphic images of piled-up pig carcasses The Castanet story quoted an Upper Similkameen Indian Band official saying the massive amount of biowaste may contaminate the river and groundwater, something Ocejo says isn't true. The band also sent a letter of complaint to the Town of Princeton on Jan. 11, saying its staff discovered the colossal amount of hog carcasses at the Net Zero Waste facility on Dec.10, and found that leachate and contaminated water were flowing directly from the facility to the Similkameen River's surrounding areas.