News Plant-tastic result for Great Keppel Island 06/12/2024 Facebook A new $8.66 million wastewater treatment plant will be built on Great Keppel Island by Brisbane-based firm Pensar Construction Group. (Supplied) Gregor Mactaggart Brisbane-based firm Pensar Construction Group has been awarded the tender to design and construct the new wastewater treatment plant on […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password