Clearing a silted-up pond using a trash pump

Clearing a silted-up pond using a trash pump is an effective way to restore the pond’s health and appearance. Here’s a step-by-step guide on how to go about it:

Equipment:

1. Trash pump (e.g., Draper trash pump) Draper Expert Petrol Trash Water Pump, 750L/min, 7HP
2. Hosepipes for the inlet and outlet of the pump
3. Source of water (either external or from the pond itself)
4. Lagoon, skip with a lining, or other suitable containment for the silt

Steps:

1. Set Up the Trash Pump:
   • Place the pump on stable ground near the pond.
   • Connect the inlet hose to the pump and submerge its end into the pond.
   • Connect the outlet hose to the pump and direct it towards the containment area.
2. Source of Water:
   • If you’re using external water, ensure there’s a steady flow into the pond.
   • If recycling pond water, set up an additional pump or a system to reintroduce the water back into the pond.
3. Pumping the Silt:
   • Start the trash pump.
   • As the pump operates, it will suck up water and silt from the pond and discharge it into the containment area.
   • Ensure that the inlet hose remains submerged and doesn’t get clogged with larger debris.
4. Agitating the Silt:
   • To get the maximum amount of silt out, you’ll need to agitate the bottom of the pond to loosen and lift the silt.
   • If you’re recycling pond water, use the pump’s outlet to stir up the silt. The high volume, low-pressure water will help lift the silt off the pond’s bottom.
   • Alternatively, use tools like a rake or broom to gently stir the pond’s bottom.
5. Containment and Draining:
   • As the silt-laden water is pumped into the containment area (lagoon or lined skip), the water will start to settle, and the silt will accumulate at the bottom.
   • Allow the water in the containment area to sit for a while to let the silt fully settle.
   • Once settled, carefully drain or pump the clear water off the top, ensuring not to disturb the settled silt.
   • Dispose of the silt as per local regulations or use it for gardening or other suitable purposes.
6. Clean-up and Maintenance:
   • After the pond has been cleared, regularly inspect and remove debris to prevent the pond from silting up again.
   • Consider introducing aquatic plants or aeration systems to maintain good water quality and minimize silt accumulation.

Remember, while a trash pump is an effective tool for clearing silt, it’s essential to handle it correctly and ensure regular maintenance for long-term effectiveness. Also, ensure you have the necessary permissions and follow environmental guidelines when clearing and disposing of silt.