Lower Murray Water – Plumatella Management


3,300Ltr Bunded Chemical Tank plus Two Cabinets


Following feedback from irrigation customers regarding blocked filters, LMW has undertaken a water quality program in Merbein, Red Cliffs C Sub and Mildura Benetook irrigation systems, targeting Plumatella.

Plumatella, a type of bryozoan, is an organism found in oceans, lakes and streams. Whilst important in natural freshwater environments such as the Murray River, it can become a nuisance in irrigation systems by blocking pipes and filters.

Low levels of hydrogen peroxide will be dosed into raw water pipelines in the three regions, in winter when flows are lower, to target the colonisation of Plumatella early in the irrigation season.

To carefully manage the dosing of hydrogen peroxide into the flow of irrigation water, LMW required a dosing system including bunded chemical tank, lockable cabinets for site safety and space for an integrated power control unit at each of the three sites.


Working closely with Lower Murray Water, Polymaster designed and manufactured a double walled Self Bunded chemical tank to store and dose hydrogen peroxide. These double walled chemical tanks are the ideal solution because the double wall feature saves time and space on site, compared to traditional concrete bunds.

Attached to the tank are two lockable cabinets; one housing an infill system with a power control which prevents overfilling of the tank and protects the safety of the operators. The second cabinet contains the dosing system to accurately measure and dose the chemical into the pipeline.

The system was fully designed by Polymaster’s engineering and design team. The design ensured the solution complied with Australian Standards and client requirements.


  • Product Design
  • Product Manufacture
  • Delivery