Maintenance is a core component of ensuring the long-term service life of your bioretention systems, which includes our high-performance formulation Atlan Bio.
Routine maintenance can help ensure the capability of your bioretention system to ensure efficient and effective operation – this includes plant health, hydraulic requirements, infiltration, safety issues and long-term asset
Without adequate maintenance, bioretention systems are at risk of failure from a variety of issues. These include –
Sediment Build-Up & Silt
Over time stormwater may convey sediment from surrounding areas into the forebay of bioretention systems. The accumulation of this sediment can result in inflow restrictions and the clogging of inlets, which restricts the performance of the device.
Sediment in these areas can also be unsightly and provides an ideal environment for the germination of invasive species and weeds. This sediment can be assessed and removed during routine maintenance.
Ponding & Still Water
Retention systems that are under-maintained can operate inefficiently, and waterflows may be impacted. This can lead to ponding of stormwater after rain events, which can be unsightly, raises safety concerns and provides a breeding ground for insects such as mosquitos.
Invasive Species and Weeds
Bioretention systems need to be weeded as part of their general maintenance. This is particularly important during initial growth phases. Invasive species and weeds can establish themselves in the growth media and compete with the important plants that are responsible for stormwater treatment.
Low Vegetation & Plant Issues
An undermaintained bioretention system can create an environment where the growth of plants is inhibited – this could be from a lack of nutrients, poor soil quality, or erosion.
Plant Debris & Rubbish
Stormwater often carries pollutants downstream, including plastic waste, gross pollutants, rubbish, and debris. Removing rubbish, plant debris and litter is a part of maintaining a bioretention system – not only does this stop its conveyance downstream, but it also prevents blockages, and improves the aesthetics and amenity of the bioretention areas.