Inspections
We can oversee your entire project, no matter how big or small, from planning stage through to completion. Initial inspection free of charge.
Rated 5.0 · Trusted by over 800 companies across the UK
For over 20 years we’ve offered
Initial inspection free of charge. Tell us what you need and we will call you back.
Our engineers were trained by the manufacturers and have accumulated over 20 years industry experience.
We will prioritise any urgent breakdown calls to ensure you are back up and running as soon as possible.
800+
Companies across the UK trust ADP
5.0
Five stars. Average customer rating


01Who we are
From old non compliant septic tanks to your new fully compliant package sewage treatment plant
From a free site inspection to maintaining your new septic system, we follow the manufacturers guidelines and government regulations.
ADP Environmental Services Ltd was set up to provide an alternative value for money service after several requests from customers who felt they were not getting this from their current service provider.
02We provide
ADP Environmental Services Ltd was set up to provide an alternative value for money quality service after several requests from customers who felt they were not getting this from their current service provider but were not sure who else to trust.
All septic tank installations will be carried out in-line with current Building Regulations and British Water Sizing Criteria.
Septic Tank Installation Page
Correct servicing ensures that your system operates correctly and to maximum efficiency.
Septic Tank Repairs Page
Whether you’re buying or selling a property, we offer comprehensive septic tanks compliance reports ensuring compliance with the general binding rules.
Compliance Reports Page
ADP Environmental Services Ltd was set up to provide an alternative value for money quality service.
Sewerage Treatment Plants Page
ADP Environmental Services Ltd was set up to provide an alternative value for money quality service.
Pumping Stations Page
ADP Environmental Services Ltd was set up to provide an alternative value for money quality service.
Oil Water Separators Page
ADP Environmental Services Ltd was set up to provide an alternative value for money quality service.
Rainwater Harvesting Page
With over 20 years experience in the waste water treatment industry and trained by the manufacturers it is with assurance that ADP Environmental Services can offer great quality at reasonable prices giving you the customer the first class service you deserve.
03Problem with your septic system?
A cost effective service and maintenance package is available for all septic tank installations, sewage treatment plants, pumping stations, oil water separators and rainwater harvesting systems.
We can oversee your entire project, no matter how big or small, from planning stage through to completion. Initial inspection free of charge.
We provide a full on-site installation service. With our dedicated team of experts, we ensure a seamless process from start to finish.
We offer a full aftersales service and our servicing plans ensure your system meets all current discharge regulations.
Our team will carry out insurance inspections and installation work that needs to be carried out on your property.
We provide a full commissioning service to make sure everything performs as it should to give you total peace of mind.

04We specialise in
05What is actually down there
Four parts, and each one fails in its own way. Choose a part to see what it does and where it goes wrong.
Everything from the house runs down a single pipe into the tank. It is the narrowest point in the whole system.
Wet wipes. They do not break down, and they block this pipe more than anything else we get called out to.
06Recent jobs
Every one of these is our own work. Drag the reel, or choose any photo to see it full size.
07How it works
From a free site inspection to maintaining your new septic system.
We oversee your entire project from planning stage through to completion. Initial inspection free of charge.

One price covering groundworks, the tank, the drainage field and reinstatement.

A full on-site installation service. Our dedicated team ensure a seamless process from start to finish.

Full commissioning plus aftersales servicing that keeps you inside current discharge regulations.

We will prioritise any urgent breakdown calls to ensure you are back up and running as soon as possible.
08Areas we cover
We service many towns and cities across Northern UK. Based in Wigan and Castleford, our team can assist with services ranging from inspections and compliance reports to installations, repairs, and maintenance.
Full service, including installation Servicing & compliance only Depot
Worth knowingIn Norfolk, Lincolnshire, Cambridgeshire and Humberside we cover servicing and compliance but do not take on new installations.
09Why choose us?
Welcome to ADP Environmental Services, your trusted partner in the waste water treatment industry!
We will prioritise any urgent breakdown calls to ensure you are back up and running as soon as possible with our 24hr breakdown service.
All of our engineers are trained to the highest standards and have worked for the manufacturers for many years.
Our engineers were trained by the manufacturers and have accumulated over 20 years industry experience.
All of our work is guaranteed and we only use genuine parts for service and breakdowns.
Every one of our customers is treated with the upmost respect ultimately leaving them feeling a valued part of the ADP Environmental Services family.
10Testimonials
My wife and I recently had a new package treatment plant installed in our garden by ADP, and we are very pleased with the way they carried out an unusually difficult project. From our first meeting with him, Paul Pilling inspired confidence with his technical knowledge, ability and patience in answering our questions, and can do attitude.
ADP customer
Excellent service provided by ADP Environmental Services. They responded immediately when we had a septic tank issue and were able to suggest a top-notch neighbourhood business to establish a sewage treatment plant...
ADP customer
I’m moving house and wanted to thank Paul, our contact at ADP, for ten years of quality, reliable service from day one. Always found ADP helpful with nothing too much trouble. If my next home has an independent system I will certainly use ADP.
ADP customer
Very happy to have found a trustworthy company which conducts business in a professional, thorough and friendly manner. I have total confidence in the services they deliver and would recommend without hesitation.
ADP customer
Since you took over the maintenance / service of our sewage pump we have had no problems or warning lights etc.
ADP customer
ADP are certainly cost effective over their rivals whilst maintaining a good level of service provision.
ADP customer
Trusted by over 800 companies across the UK










11Frequently Asked Questions
Some signs your septic tank may need attention include slow drains, gurgling sounds, foul smells, wet spots around the tank or drainage field, backed up drains, or the tank not operating efficiently.
Get in touch and we can diagnose any issues.
We service many towns and cities across Northern UK. Based in Wigan and Castleford, our team can assist with services ranging from inspections and compliance reports to installations, repairs, and maintenance. Our main service areas include:
Our comprehensive compliance reports detail the size, age, and condition of the tank, assess any issues, confirm if pumping is needed, ensure compliance with regulations, and provide recommendations. This gives buyers/sellers confidence during property transfers.
Yes, our team has experience managing insurance claims when damage occurs. We can assess the situation, work with your insurance provider, and oversee any necessary repairs or full septic system replacement.
We recommend inspections every 2-3 years and pumping the tank every 3-5 years depending on usage and occupants. Routine maintenance is crucial to prevent costly repairs down the road. Get in touch to discuss a customised service plan.
With 20+ years experience, manufacturer training, use of genuine parts, and great customer service, we provide quality and value. We prioritise urgent issues with 24hr emergency service and guarantee our work.
We are experts in septic tanks as well as more advanced systems including sewage treatment plants, pumping stations, oil water separators, and rainwater harvesting setups for both residential and commercial properties.
Yes, we oversee installations from start to finish, ensuring the system is sized appropriately and installed per building regulations and British Water standards. Get in touch for a free consultation.
12Septic tank advice
By Paul PillingYou only need a septic tank permit in England if your sys...
By Paul PillingA water softener is unlikely to damage a properly sized s...
By Paul PillingBuying a house with a septic tank is normal for rural pro...
By Paul PillingNutrient neutrality affects septic tanks mainly when you ...
13Get in touch
Don’t Hesitate To Contact Us
Unit 8, Acorn Industrial Estate, Albion Street, Castleford, WF10 1QX
46 Appleton Grove, Wigan, WN3 6NY