Fact sheets


Unexploded Ordnance - What you need to know!

Unexploded ordnance are the remnants of military ammunition or explosives which failed to detonate as planned. These remnants are usually left over from historic military training and other activities and can include mortar bombs, mines, artillery shells, hand grenades and other explosives.
 
Several areas around South East Queensland are affected to some extent by unexploded ordnance, including land surrounding Lake Wivenhoe, Lake Somerset, Lake Samsonvale, Lake Kurwongbah, Lake MacDonald and Ewan Maddock Dam.
 

Onsite Wastewater Treatment Systems in the Water Storage Catchments – Contractors Guideline

Onsite wastewater treatment systems can impact on the health of humans and the environment. To help minimise the risks associated with onsite wastewater treatment systems in water storage catchments, Seqwater has developed this guideline for contractors.
 

Onsite Wastewater Treatment System Maintenance – An Owner’s Guide

Did you know a failing septic or domestic wastewater treatment system can have serious impacts on human health and the environment?
 
Failing systems can spread infectious diseases, attract pests (mosquitoes, flies and rodents) and contribute to the pollution of groundwater, streams and waterways. Ensuring that your system is maintained, while also being a legal requirement, can save you money in the cost of repair or early replacement of your system.
 

Wastewater Balance Calculator – Estimate the land size required for an on-site wastewater treatment system

Evaluating land required for an on-site wastewater treatment system irrigation area can be a complex and time-consuming process.
 
Seqwater’s Wastewater Balance Calculator enables you to evaluate water saving devices, on-site wastewater disposal systems and land characteristics to determine how much land is required to set aside for effluent disposal.