Shropshire Drainage
BioDisc commercial — Sewage Treatment Plant Servicing in Shropshire

Across all of Shropshire

Sewage Treatment Plant Servicing in Shropshire

Annual servicing, repairs and health checks for all makes of package sewage treatment plant, keeping your discharge compliant and your warranty intact.

Photo: Anf 18 · CC BY-SA 4.0

A sewage treatment plant is a working machine with moving parts, and like a boiler it needs a routine service to stay reliable. Manufacturers require an annual service to keep warranties valid, and the General Binding Rules require your system to be maintained so its discharge stays within the standard it was designed to meet.

A neglected plant fails quietly. The blower stops, the bacteria die back, and the plant slowly turns into an undersized septic tank, discharging poorly treated effluent to a watercourse or drainage field. By the time there is a smell or a visible problem, the fix is often a repair bill rather than a service.

All the common makes of domestic treatment plant are serviced across Shropshire by firms that specialise in them. A service visit covers the mechanical checks, the biological health of the plant, and the state of the sludge, with a written record you can keep with your house documents.

What the service includes

  • Annual servicing of all major plant makes and models
  • Blower, diaphragm, motor and disc checks, with parts replaced as needed
  • Sludge level measurement and de-sludging when required
  • Effluent quality spot checks
  • Alarm and electrical checks
  • Written service report for your records and any future house sale

Servicing is part of staying compliant

The General Binding Rules require off-mains systems to be maintained in line with the manufacturer’s instructions. A file of service records is exactly what a buyer’s solicitor wants to see when you sell, and exactly what the Environment Agency wants to see if a discharge is ever questioned.

Empty intervals differ from septic tanks

Treatment plants still accumulate sludge and need periodic de-sludging, typically once a year for domestic plants. Servicing and de-sludging can usually be combined so the plant is dealt with in one visit.

What you are servicing

A treatment plant has moving parts and an air supply. That is what makes its outflow clean enough to discharge, and what needs servicing to stay that way.

Septic tank compared with a sewage treatment plantA septic tank settles solids but does not treat the wastewater, so its outlet may only discharge to a drainage field and never directly to a stream or ditch. A sewage treatment plant adds an air blower, which lets bacteria break the waste down and produces a much cleaner effluent, so it may discharge to a watercourse as well as to a drainage field, subject to the general binding rules.SEPTIC TANKSeparates solids. Does not treat the water.OUTLET MAY DISCHARGE TOA drainage field or soakawayPerforated pipe in gravel, soaking into the groundA stream, ditch or any watercourseBanned since 2020. This is what forces an upgrade.SEWAGE TREATMENT PLANTAdds air, so bacteria actually treat the water.AIR PUMPOUTLET MAY DISCHARGE TOA drainage field or soakawaySame as a septic tank, and often still the best optionA stream, ditch or watercourseAllowed, if it meets the general binding rules
The difference that matters is the air pump. A septic tank only settles waste, so its outlet must soak into the ground through a drainage field. A treatment plant breaks the waste down, so its cleaner outflow may go to a watercourse as well. If your septic tank currently runs to a ditch or stream, it no longer complies and will need replacing or re-routing.

Sewage Treatment Plant Servicing near you

Enquiries for sewage treatment plant servicing are covered throughout Shropshire. Find the detail for your area:

Frequently asked questions

How often should a treatment plant be serviced?

Annually for almost all domestic plants, in line with the manufacturer’s instructions. Plants under heavier use, such as holiday lets, may need six-monthly visits.

Can a plant be serviced by someone who did not install it?

Yes. All the common makes can be serviced regardless of who installed them, and a plant that has missed a few years can be picked back up, starting with a thorough health check rather than a routine service.

My plant has stopped working. Is that a service or a repair?

Get in touch either way. Blower failures are the most common fault and are usually a quick and cheap fix. Anything bigger needs diagnosing before it can be sensibly quoted, and the plant kept safe in the meantime. Describe the symptoms and we will tell you which of the two you are most likely looking at.

Need sewage treatment plant servicing?

Describe the problem and we will tell you what you are most likely dealing with, and put you in touch with a local specialist where one covers your area. No charge for that, and no obligation.

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