South West & South Wales specialists with 30+ years of hands-on experience
Sewage Pump Repair, Maintenance & Servicing
When a sewage pump fails, the consequences are immediate and unpleasant. Mawdsleys Pump Services provides fast, reliable sewage pump repair, planned maintenance and full servicing contracts —
keeping your system running and your site compliant.
We work with domestic, commercial and industrial clients across the South West and South Wales, supplying and supporting leading brands including Lowara, Flygt, Grundfos, TT Pumps, DAB and Pedrollo.
And if a breakdown happens, we work 24/7, 365 days a year. Call 0117 954 8030
Why Mawdsleys Pumps
Speed of Service
When your pump fails, you need action—not promises. That’s why we respond fast, and fix it faster.

24/7 Support
Your pump doesn’t care what time it is when it breaks down. Neither do we. We operate 365 days a year.
Stellar on Google
Don't take what we say for granted. Check our Google Reviews for confirmation of the quality we bring.

Precise Communication
Our specialists will give you the full picture and keep you in the loop every step of the way.

Sewage Pump Repair
A failed sewage pump puts your whole site at risk. Our engineers carry out sewage pump repairs on-site wherever possible, with a fully equipped workshop in Bristol for pump refurbishment and overhaul when strip-down is required.
We repair all major makes and models, including submersible sewage pumps, macerator pumps and pumping station assemblies. Common faults we fix include:
- Level control float switches stuck or failed
- Blockages causing electrical trips
- Failed non-return valves
- Pump failing to start or not shutting off
- Seal failure and chamber lid deterioration causing odour
If we can't fix it on-site, we'll arrange a like-for-like swap to keep your system operational while the repair is completed in our workshop.
Sewage Pump Maintenance
Planned sewage pump maintenance is the most cost-effective way to avoid emergency call-outs. Our in-house engineers carry out maintenance visits on a schedule that suits your site — monthly, quarterly, six-monthly or annual — using the latest diagnostic tools to catch problems before they cause a breakdown.
A typical maintenance visit includes:
- Visual inspection of the pump, pipework and chamber
- Float switch and level control testing
- Non-return valve check
- Motor insulation and current draw testing
- Wet well cleaning and de-ragging where required
- Written service report with condition status
We serve sites across Bristol, Cardiff, Bath, Gloucester, Exeter, Swindon, Southampton and the wider South West and South Wales region.

Sewage Pump Servicing Contracts
For sites where sewage pumps are business-critical, a planned servicing contract gives you complete peace of mind. Our asset management platform tracks the condition of every pump on your site and flags issues before they escalate.
What’s included in a Mawdsleys servicing contract:
- Agreed number of service visits per year
- Priority response times for breakdowns
- Discounted call-out rates
- Annual compliance reporting
- Direct line to your dedicated engineer
We currently hold servicing contracts with Bristol City Council, North Somerset Council, the Wildfowl & Wetlands Trust and many private sector clients. Contract pricing is always transparent — no hidden charges.
Local coverage
We provide pump services to the South West and South Wales:
Bristol, Cardiff, Newport, Bath, Cheltenham, Gloucester, Weston-super-Mare, Bridgewater, Thornton, Exeter, Salisbury, Southampton, Reading, Swindon, Slough, Oxford, Basingstoke, Newbury, Worcester, Hereford, Yeovil
Accreditations










What Our Clients Say About Our Sewage Pump Servicing
Bristol City Council
North Somerset Council
Wildfowl & Wetlands Trust
Not sure if you need a repair or a service?
8 Common Problems with
Sewage Pumps and How to Fix Them
Contact Our Expert Team
If you need a professional service for your submersible waste pump, call us now on 0117 954 8030, operating 7 days a week, we also offer 24-hour emergency call out service in the event of a breakdown.
Sewage Pump Repair FAQs
The difference is in their functions. They both deal with dirty water, but the sewage pump moves sewage from a property to a septic tank or municipal sewer, whereas the septic pump grinds waste into a slurry
The price varies depending on:
- The location of the site
- Whether we can fix the problem on-site or we have to remove the pump
- The type of pump
Do not hesitate to call us if your sewage pump fails, as we can provide you with guidance over the phone, too.
Contact us immediately! We can give you advice on what to do even before we come to inspect.
This is a safety feature telling you that the pump hasn’t is not functioning properly, and it can be a significant pump problem. Silence the alarm, stop using water immediately and get in touch with Mawdsleys Pump Services.
Even if the packaging says “flushable,” these wipes do not break down fast enough for a sewage pump and can cause serious pump problems.
A strong, persistent foul odor usually points to a failed vent pipe or a perished seal on the chamber lid.
For most commercial and municipal sites, we recommend a minimum of one service visit per year. High-usage or critical sites benefit from quarterly or six-monthly sewage pump servicing to maintain reliability and compliance.
A full maintenance visit includes inspection of the pump, motor and chamber, float switch testing, non-return valve checks, wet well cleaning and a written condition report. Preventive maintenance significantly reduces the chance of an emergency breakdown.



