Opening hours of Water treatment plant in Lower Inman Valley, South Australia Opening hours of Water treatment plant in Lower Inman Valley, South Australia Home / South Australia / Lower Inman Valley / Water treatment plant Water treatment plant TRILITY Victor Harbor Wastewater Treatment Plant, Greenhills Rd, Lower Inman Valley SA 5211, Lower Inman Valley, South Australia 5211 (08) 8552 6755 Categories of local businesses in Lower Inman Valley Boat repair shop Fire Station Handyman Home builder Industry & Agriculture Mechanic Property maintenance Water treatment plant