Help for customers with septic tanks or cesspools

Following the recent heavy rain and unusually high levels of ground water, we’d like to offer some tips for customers who are not on mains drainage and may be experiencing problems.

Septic tank and treatment plant problems
When ground water rises it can cause saturation around the drainage area, where liquid waste would normally overflow into a soakaway and disperse into the ground. This can force sewage up to ground level or back fill into the drains.

What you can do:

  • Divert ground water from the drainage area with extra pipes, allowing the water to flow to a less saturated area;
  • Check there is no blockage in the drains and pipes using a jet wash or drain rods – avoid putting wet wipes, grease and soap powder into the system;
  • In the longer term, design landscaping, roof gutters and foundation drains to divert excess water away from the septic tank.

Cesspool problems
A cesspool is a sealed unit, therefore reducing the amount of water that goes into the tank during extremely wet periods will help.

What you can do:

  • Take showers rather than baths – 33.33 baths = 2000 gallons!
  • Make sure there are no leaking taps or toilet systems;
  • Use the lowest number of rinses on washing machines and dishwashers;
  • Don’t flush a lot of water into the tank at once;
  • Make sure gutters and surface water for adjacent areas of ground are kept away from the soakaway area;
  • Don’t allow anything heavy near the soakaway as this can crush the soil, compacting it and allowing a more sponge like condition;
  • Avoid planting trees and shrubs around the soakaway as roots can clog up the ground;
  • Check for blockages in the drains and pipes using a jet wash or drain rods and avoid putting wet wipes, grease and soap powder into the system;
  • Use water sensibly.

If you would like to book a service or repairs please call us on 01634 250326 or email

Why choose MTS?

  • 24/7 Reliability 01634 250326

    There is always someone to take your call - Our field service teams operate round the clock every day of the year.
  • Rapid response

    With hub depots throughout the region, we operate a highly flexible scheduling system. We instruct our nearest available tracked field service for the quickest response.
  • Competent first time fix

    Our fully qualified and experienced teams use high performance equipment to fix problems first time with no need for back up resources or second visits. We ensure the optimum solution for your needs.
  • Extensive range of waste solutions

    Our waste management services are available for both individual jobs and more complex packaged solutions. We offer a one-stop shop whatever your requirements and we are continuing to expand our range of services through innovation and investment.
  • Experienced and qualified team

    All management and staff receive full training and are qualified to demanding industry standards in their specialised disciplines. MTS invests in its people and, with low staff turnover, retains a considerable depth of experience to ensure Customers receive the best service. Email our team today at
  • Full QUENSH management systems

    MTS operates an integrated management system comprising the individual accreditations for ISO 9001 (Quality), 14001 (Environment) and 18001 (Health and Safety). Certified and regularly audited for compliance by BSI Customers are assured of rigorous processes and procedures supporting front line service delivery
  • Trusted service provider

    MTS is entrusted by major water companies across Southern and South East England to work safely to the highest performance standards under stringent environmental and financial control. Rail, airport and highway agencies similarly demand safe and secure services from MTS for the maintenance of critical infrastructure with minimum risk to the travelling public


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