Sewage Treatment Plant & Pump Station Servicing, Maintenance & Repair
CSG provides sewage treatment plant servicing, pump station maintenance and repairs for homes, housing developments and commercial sites across the UK. Our British Water accredited engineers inspect and maintain mechanical and electrical equipment, diagnose faults and help reduce the risk of breakdowns. Arrange a one-off visit or planned servicing for your off mains drainage system.
- Nationwide coverage for domestic & commercial systems
- Experienced engineers carrying a range of parts
- Planned maintenance & 24/7 emergency response available
Planned servicing and timely repairs help reduce breakdowns, extend equipment life and keep your sewage treatment plant or pump station working reliably.
90+
years’ experience
with off mains drains sewage systems
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Why Home & Business Owners Choose CSG
Experienced off mains specialists
With over 90 years’ experience in sewage and wastewater systems, we understand the demands of both domestic and commercial installations.
Efficient repairs
Our service vans carry a comprehensive range of parts, so where possible, we aim to diagnose and repair faults during the same visit.
Trusted, accredited, transparent
After every visit, you receive digital documentation including inspection results, electrical test readings and condition reports.
Complete Sewage Treatment Plant Maintenance
We provide routine servicing, preventative maintenance, emergency repairs and system upgrades for:
- Sewage treatment plants (all manufacturers)
- Pump stations
- Commercial and multi-unit systems
- Housing estates and large single-site installations
Our engineers inspect, test and service electrical and mechanical components in line with British Water guidance. This helps identify potential issues early, reducing the risk of system failure, pollution incidents and costly emergency callouts.
Our engineering repair service covers sewage treatment plants and pump stations. We do not repair septic tanks or drainage fields, although we can help arrange an appropriate specialist assessment where the cause of a problem falls outside our service scope.
We offer scheduled and one-off maintenance services for:
Sewage Treatment Plants
Pump Stations
Domestic & Commercial Servicing and Maintenance
Domestic Maintenance
Keep your system working reliably with flexible maintenance for sewage treatment plants. From one-off servicing to routine care, we’ll arrange a visit that suits you.
Commercial Maintenance Services
Protect your business from disruption with planned maintenance tailored to your site. We support commercial systems of all sizes, helping prevent faults, downtime and costly emergency repairs.
Maintenance Contracts Built Around You
From individual properties and small businesses to multi-site organisations and large commercial operations, our flexible maintenance contracts can be tailored to your schedule, system and budget.
MORE THAN ROUTINE SERVICING
Call-Outs, Repairs and Refurbishment
Planned servicing helps prevent problems, but CSG can also assist when your sewage treatment plant or pump station has developed a fault.
Our experts provide reactive call-outs, fault diagnosis, component replacement and system refurbishment for domestic and commercial off mains drainage systems.
Speak to our team if you have noticed:
- An activated warning alarm
- A pump or blower that has stopped operating
- High-level warnings or repeated tripping
- Unusual noises or persistent odours
- Reduced treatment performance
- Recurring faults following previous repairs
Tell us what system you have, what symptoms you have noticed and whether an alarm or fault code is showing.
Get Peace of Mind with Our Maintenance Scheme
For long-term protection and lower costs over time, we offer structured maintenance plans aimed at reducing emergency callouts and spreading servicing costs. With our Regular Maintenance Scheme, you get scheduled servicing visits without needing to book separately, priority response options and predictable budgeting.
PART OF THE CSG GROUP
NEW & REPLACEMENT SYSTEMS
When Repair Is No Longer the Right Option
Hutchinson Environmental Solutions designs and installs sewage treatment plants, septic tanks and pump stations for domestic and commercial sites.
Here’s What Our Customers Think
Frequently Asked Questions About Sewage Treatment Plant & Pump Station Servicing
How often should a sewage treatment plant or pump station be serviced?
The appropriate service frequency depends on the equipment, manufacturer’s guidance, system size and level of use. Many domestic sewage treatment plants require annual servicing, while commercial, shared or heavily used systems may need more frequent attention.
Pump station maintenance should be planned according to usage, equipment configuration and the consequences of a failure. If you provide the make, model and site details, our team can recommend an appropriate servicing schedule.
How do I know if my sewage treatment plant or pump station has developed a fault?
Warning signs can include:
- An activated alarm, warning light or error code
- A pump or blower that has stopped operating
- High-level warnings within a pump station
- Repeated electrical tripping
- Unusual mechanical noises
- Persistent or unusually strong odours
- Reduced sewage treatment performance
- Faults that repeatedly return after resetting the system
Contact our team if you notice any of these symptoms. Providing the equipment make, model, and any displayed fault code can help us prepare for the visit.
What is included in a sewage treatment plant or pump station service?
Our engineers inspect the accessible mechanical and electrical components of the system. Depending on the equipment, this may include pumps, blowers, float switches, alarms, control equipment and other operational components.
We can also complete relevant electrical readings and performance checks and provide digital documentation covering the condition of the system and any recommended work. Emptying or cleaning is a separate service and will be confirmed if required.
Can CSG service all makes and models of sewage treatment plants and pump stations?
We service sewage treatment plants and pump stations from all manufacturers, covering small domestic units through to larger commercial and multi-property systems. If they have mechanical and/or electrical parts, we can help!
Providing the manufacturer, model and any available equipment information when booking helps us confirm the appropriate engineer and likely parts requirements.
How quickly can you repair a sewage treatment plant or pump station?
We provide nationwide coverage and emergency response support. Our service vehicles carry a range of commonly required parts, allowing many faults to be repaired during the initial visit where possible.
Repair times depend on the cause of the fault, equipment type, parts availability, site access and whether the system must be emptied or made safe before work can begin. If a further visit is required, we will explain the recommended work and next steps.
What is the difference between servicing and emptying/desludging?
Emptying or desludging removes accumulated sludge or wastewater from a tank, treatment plant or pump station. Servicing inspects and maintains the mechanical and electrical equipment that keeps a sewage treatment plant or pump station operating.
A sewage treatment plant may require both regular emptying and engineering servicing. Pump stations may also need to be emptied or cleaned before certain components can be accessed safely.
Septic tanks and cesspits require routine emptying, but they are not covered by our mechanical and electrical repair service.
What sewage system repairs can CSG carry out?
Our repair and refurbishment service focuses on sewage treatment plants and pump stations. Depending on the system and diagnosis, this may include pumps, blowers, float switches, alarms, control equipment and other mechanical or electrical components.
We do not carry out structural repairs to septic tanks or repairs to drainage fields. We can empty septic tanks and help arrange an appropriate specialist assessment where further investigation is needed.
If a sewage system is beyond economical repair or requires complete replacement, Hutchinson Environmental Solutions, part of the CSG Group, can provide specialist design and installation support.
Can CSG arrange a pre-purchase, pre-sale or compliance survey?
CSG does not carry out formal pre-purchase, pre-sale or compliance surveys and cannot issue compliance certification. However, we can help you arrange an assessment with an appropriate specialist.
These surveys may be helpful when buying or selling a property, investigating concerns about an existing off-mains sewage system or checking whether further work may be required. The appointed surveyor will determine the scope of the inspection and provide any formal findings relating to condition or compliance.
If the survey identifies a problem, CSG may be able to assist with:
- Emptying septic tanks, cesspits or sewage treatment plants
- Repairing or refurbishing sewage treatment plants
- Repairing or refurbishing pump stations
- Arranging replacement-system support through Hutchinson Environmental Solutions
The appropriate next step will depend on the type of system and the findings within the survey report.
Request A Quote
Tell us your location, system type and servicing or repair requirements using our enquiry form. Our team will contact you to discuss the next steps and provide a quote.
Safety Built Into Every Service
See how CSG protect people, sites and the environment
Off Mains Servicing Guides & resources
Speak to Our Off Mains Drainage Team
Have a question or need advice? Our waste management experts are here to help. You’ll always speak to a real person who understands your needs and can help you find the right solution.
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