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Conservancy Tanks

A simple, effective way to temporarily hold wastewater on-site without harming the environment.

Conservancy Tank Overview

A conservancy tank is installed underground to collect and temporarily store wastewater. When it becomes full the wastewater must be pumped out and taken to a treatment facility. Choosing the correct tank size is important as smaller capacities will require more frequent emptying.

A safe, contained solution for short-term wastewater storage.

Benefits

  • Simple, secure on-site wastewater storage
  • Ideal for areas where sewer connections or septic systems aren’t possible or feasible
  • Low maintenance and long service life, with only periodic emptying required
  • Reduces the risk of untreated wastewater entering the environment

Pro Tips

  • For your warranty to remain valid, the tank must be installed, used, and maintained in accordance with our installation instructions
  • Choosing the right tank size reduces how often it needs to be emptied — check our size guide for details
  • Make sure a waste disposal service is available in your area to collect and transport the waste for proper treatment

System Components

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Conservancy tank

The size of the conservancy tank you need will depend on how often it will be pumped out and how many people use the facilities. Use the guide below to understand typical water usage per application for conservancy tanks in South Africa:

Hand/Face Wash: ± 1-4 L

Toilet Flush: ± 3-7 L

Bath: ± 50-150 L

5 min Shower: ± 80 L

45kg Laundry: ± 80 L

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Pipes & Elbows (standard PVC in 50 or 110mm)

JoJo conservancy tanks are compatible with both sizes.

Pipe lengths will vary depending on the installation, including:

  • Feed from house to the first elbow
  • Connection from first elbow into the tank

Elbows:
Select the required quantity and choose the size to match the pipes being used. 


Disclaimer

This guide covers the basics of a conservancy tank installation. Actual installations may vary based on site conditions and system requirements. We recommend using a qualified professional for an installation of this complexity.

Download Installation Guide
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Maintenance

While conservancy tanks require minimal maintenance (apart from periodic pumping), a few simple routine checks can help extend their lifespan and keep them performing at their best.

Keep the lid secure

The tank lid is filled with concrete during installation to keep it sealed. Check periodically to ensure it remains firmly in place so nothing can fall in and no effluent can leak out.

Keep the area around the tank accessible

Ensure the tank’s access point and manhole cover remain unobstructed so pump-out services can reach it easily when needed.

Do not plant deep-rooted trees nearby

Tree roots can infiltrate pipes or damage the tank over time. Keep large plants and trees at a safe distance.

Keep records of pump-out dates

Tracking service intervals helps identify abnormal patterns that may indicate leaks or other issues.

Monitor for warning signs

Contact a qualified septic professional immediately if you notice any of the following:

  • Sewage pooling on the surface or unexplained wet spots
  • Gurgling sounds in the plumbing
  • Slow-draining fixtures
Download Maintenance Tips
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