Interceptor Installation

When stormwater runs across hardstand, car parks or operational areas, the right interceptor can help manage contaminants before water leaves the site. Interceptor installation forms part of commercial and industrial storm water systems and drainage, with product selection and layout shaped by the site, likely pollutants, flow conditions and practical maintenance access.

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Bunbury Plumbing Services

Certified Master Plumber Open · 24/7 Service

Bunbury Plumbing Services is a Bunbury-based plumbing and controlled waste services business providing residential, commercial and regional plumbing support across Bunbury and the South West. Originally established in 1990 as Bunbury Plumbing Services, the business has grown from a dedicated maintenance plumbing provider into BPS (WA) Pty Ltd, offering plumbing, emergency repairs, appliance installations, solar water heaters, sewer conversions, backflow testing, septic waste services and potable water cartage. With a strong focus on reliable service, customer care and quality workmanship, Bunbury Plumbing Services supports clients with both everyday plumbing needs and larger service requirements. The business operates a modern fleet including controlled waste tankers, excavators, tip trucks, low loaders, potable water tankers and other specialist equipment, allowing the team to complete work efficiently and safely across a wide range of sites.

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +75 more
Backflow Gas Plumbing Contractor Emergencies

Hindmarsh Plumbing Services (WA) Pty Ltd

Certified Master Plumber Closed · Opens 7:00am

Hindmarsh Plumbing Services — Trusted Commercial Hydraulic Specialists With over 50 years of industry experience, Hindmarsh Plumbing delivers commercial plumbing and hydraulic services across projects of every scale — from reactive service works through to multi-million dollar construction contracts, including defence and mining sectors. Core capabilities: * Commercial plumbing construction and hydraulic services * Reactive and preventative maintenance (24/7) * Hydraulic design and drafting * Water treatment and Legionella management * Gas fitting and gas infrastructure * Backflow testing and prevention * Stormwater and drainage systems * Leak detection and pipe location * Thermostatic mixing valve servicing * Defence and government infrastructure * Mining and resources sector works

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +108 more
Plumbing Contractor

Project Plumbing WA Pty Ltd

Certified Master Plumber Closed · Opens 6:00am

Project Plumbing WA Pty Ltd is a Perth-based plumbing contractor located in Sorrento, Western Australia. The business provides services across commercial construction, domestic maintenance, gas fitting and industrial plumbing sectors. As a member of The Master Plumbers and Gasfitters Association of WA. Project Plumbing WA is committed to delivering professional plumbing services in accordance with industry standards and best practice.

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +181 more
Gas Plumbing Contractor

AE Hoskins Building Services

Certified Master Plumber Open · 24/7 Service

AE Hoskins Building Services is a fourth-generation Western Australian family business with more than 100 years of experience in building, maintenance and multi-trade service delivery. Based in Balcatta with a South West office in Bunbury, AE Hoskins provides commercial plumbing, gas, roof plumbing, maintenance and construction services across WA. With a large in-house trade workforce and capability across multiple disciplines, AE Hoskins is well suited to commercial property managers, government facilities, schools, community assets, offices and organisations requiring reliable scheduled maintenance, emergency breakdown support, upgrades, refurbishments and coordinated multi-trade works. Their strength lies in providing dependable, well-managed service through one experienced contractor, helping clients keep buildings, assets and facilities operating safely and efficiently.

Interceptor InstallationStorm Water Systems And DrainageInstallationRainwater Harvesting InstallationCommercial Industrial Plumbing Backflow +108 more
Backflow Gas Plumbing Contractor Emergencies

Urbico Pty Ltd

Certified Master Plumber Closed · Opens 9:00am

Urbico Plumbing & Gas is a Perth based licensed plumbing contractor delivering high-quality commercial, residential, and specialist plumbing solutions across Perth’s northern suburbs and surrounding regions. With over 25 years of industry experience, Urbico is led by a fully licensed tradesman with an extensive background in plumbing, gas fitting, heating, and hydronic systems.

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +149 more
Waterwise Gas Plumbing Contractor

Rowson's Plumbing Service Pty Ltd

Certified Master Plumber Open · 24/7 Service

Rowson’s Plumbing Services is a proudly Western Australian owned and family-operated business providing commercial, industrial and residential plumbing services throughout the Perth metropolitan area. Established in 1998, the company has built a strong reputation for professional workmanship, reliability, safety and customer service. Available 24 hours a day, seven days a week, Rowson’s provides commercial plumbing maintenance, emergency plumbing, blocked-drain clearing and CCTV inspections, gas services, hot water systems, leak detection, backflow prevention, strata plumbing and pump installation, servicing and repairs. The team is supported by ongoing in-house training and holds Master Plumbers Association membership, Waterwise Plumber recognition and WPCG accreditation. Rowson’s is a multi-award-winning business, including the 2023 MPA Business of the Year for Commercial Maintenance Plumbing and Gas, reflecting its commitment to quality, compliance and long-term client relationships.

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +172 more
Waterwise Backflow Gas Plumbing Contractor Emergencies

CF Plumbing Solutions Pty Ltd

Certified Master Plumber Closed · Opens 7:00am

CF Plumbing Solutions Pty Ltd is a plumbing business based in Balcatta, Western Australia. Servicing primarily the Perth Metropolitan Area, the company provides plumbing and gas support for residential, commercial, construction and industrial clients. The business is listed as a Master Plumbers member and provides plumbing support across backflow, commercial construction, domestic maintenance, drainage, gas, housing construction, industrial plumbing and renovation work. With a focus on reliable workmanship, practical service and industry-standard plumbing support, CF Plumbing WA Pty Ltd assists homeowners, builders, businesses and project clients with maintenance, repairs, installations and general plumbing requirements.

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +150 more
Gas Plumbing Contractor

Koormal Contracing Pty Ltd

Certified Master Plumber Closed · Opens 7:30am

Koormal Contracting is Western Australia's largest Indigenous-owned plumbing contractor based in Bunbury, delivering specialist plumbing, gas fitting, civil drainage and asset maintenance services throughout regional and remote Western Australia. The company services the commercial, utilities, mining and government sectors, combining technical expertise with a strong commitment to Indigenous engagement, culture and community outcomes. Owned and operated by Gavin "Possum" McGuire and Michael Jones, Koormal Contracting brings together more than 50 years of combined experience in remote and regional project delivery. The business has built a reputation for quality workmanship, safety, reliability and successfully delivering complex infrastructure and maintenance projects across Western Australia.

Interceptor InstallationStorm Water Systems And DrainageInstallationInterceptor Repairs And MaintenanceRainwater Harvesting Installation Rainwater Harvesting Repairs And Maintenance +122 more
Backflow Gas Plumbing Contractor

AJL Plumbing & Gas Pty Ltd

Certified Master Plumber Closed · Opens 7:00am

AJL Plumbing & Gas is a family owned and operated plumbing and gas fitting business based in Midvale, Western Australia. Led by Alan and Jamie, the company brings more than 30 years of experience in the plumbing and gas industry, providing prompt service and quality workmanship for residential and commercial clients.

Interceptor InstallationStorm Water Systems And DrainageInstallationRepairs And MaintenanceCommercial Industrial Plumbing Aerobic Treatment Unit Atu +76 more
Backflow Gas Plumbing Contractor Emergencies

Commercial Plumbing Co Pty Ltd

Certified Master Plumber Closed · Opens 9:00am

Commercial Plumbing Co Pty Ltd is a Bibra Lake-based plumbing business specialising in industrial, commercial and mining projects across Western Australia. The business provides design, installation and maintenance services, with capability across hydraulic systems, civil drainage design and plumbing works required to comply with Australian Standards. With a strong focus on safe and effective project delivery, Commercial Plumbing Co Pty Ltd supports clients with commercial plumbing, civil drainage, hydraulic design and project-based plumbing services. The company operates from Unit 2, 52 Cocos Drive, Bibra Lake WA 6163, and holds Plumbing Licence PL 8947.

Interceptor InstallationStorm Water Systems And DrainageInstallationRainwater Harvesting InstallationCommercial Industrial Plumbing Aerobic Treatment Unit Atu +69 more
Plumbing Contractor

Discuss your commercial stormwater requirements

Manage stormwater before it reaches the drainage network

Commercial interceptor installation is relevant where stormwater may pick up material from a site before reaching a drainage network, watercourse, soakage system or discharge point. The purpose is to slow, separate, trap or filter stormwater so contaminants can be controlled before the water leaves the site.

An interceptor may be considered around car parks, service stations, workshops, washdown areas, loading docks, transport depots, hardstand areas, fuel storage areas, bin stores and industrial yards. The appropriate approach depends on what occurs on the site and what may enter the stormwater system.

What an interceptor can manage

Stormwater can carry different contaminants depending on the surrounding surfaces and activities. Interceptors may be used to remove or control silt, sediment, gross pollutants, litter, hydrocarbons, oils, grease, sand, debris and other pollutants.

Separation can work in different ways. Heavier material, such as sand and silt, may settle; floating material, such as oil or litter, may be captured; and filter or cartridge-style components may target finer material. A Master Plumber can help a customer frame the site information needed to consider a suitable stormwater treatment arrangement.

Interceptor forms customers may encounter

Interceptor installation storm water systems and drainage work may involve different devices and arrangements. Some are installed below ground, while others are incorporated into pits or treatment points.

  • Sediment pits or silt traps
  • Gross pollutant traps
  • Oil and hydrocarbon interceptors
  • Stormwater treatment chambers and separator tanks
  • Pit inserts, baskets and filter cartridges
  • Car park or hardstand stormwater pre-treatment arrangements
  • Drainage diversion or bypass arrangements
  • Sampling, inspection and maintenance access points

The physical form does not determine suitability on its own. Likely contaminants, flow rate, rainfall conditions, available space, traffic loads, drainage connections, maintenance access and any authority requirements all matter to the decision.

Planning an installation around the site

For a commercial or industrial site, interceptor installation needs to sit within the wider stormwater drainage arrangement. Connections may lead to existing stormwater drainage and a legal discharge point, while access for inspection and maintenance needs to remain practical after installation.

Operational conditions also matter. Facility managers, asset managers, maintenance coordinators and site teams may need to consider access instructions, permitted working hours, induction requirements, shutdown restrictions and the person authorised to approve design decisions. Industrial operations may also need to communicate environmental controls, process impacts and relevant permits or site controls.

Information to prepare before speaking with a plumbing business

A well-prepared enquiry makes it easier to discuss the site and its stormwater risks clearly. Gather the information that is available rather than trying to diagnose the solution yourself.

  1. Provide the site address, business type and a contact person with access instructions.
  2. Identify the stormwater catchment area, surface types and whether the affected area is roofed or unroofed.
  3. Describe likely contaminants, such as sediment, oil, fuel, debris or other material associated with site activity.
  4. Share drainage plans, discharge-point details and photos of existing pits where available.
  5. Note expected traffic loads, maintenance access, authority requirements and environmental conditions.
  6. Include asset references, past service records, site inductions, permits or approval processes that may affect the work.

For an established system, photos or short videos of the surrounding area and labels on existing equipment can also provide useful context.

Products and supply names you may encounter

Product discussions can involve different supply channels, stormwater treatment products, drainage components and related equipment. Examples customers may encounter include SPEL, Stormwater360, ACO, Everhard, Rocla, Humes, Civilmart, Kingspan and Polymaster. Names such as Reece, Galvins and Tradelink may also arise through plumbing supply channels.

These examples do not determine the right arrangement for a particular site. The selection discussion should remain focused on the stormwater catchment, contaminants, drainage pathway, physical space and ongoing access needs.

Choosing a Master Plumber for interceptor installation

Interceptor installation commercial work can affect drainage assets, site access and day-to-day operations. It is useful to choose a plumbing business with a clear understanding of the site information, decision pathway and constraints that need to be considered before work proceeds.

Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with the Master Plumbers and Gasfitters Association of Western Australia. It is backed by the Association, which has represented Western Australia’s plumbing and gasfitting industry since 1901. Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for their property or project.

Related stormwater and drainage services

Interceptor installation is one part of managing commercial and industrial stormwater assets. Depending on the condition of an existing system or the broader site requirement, the next conversation may relate to installation, repairs and maintenance, rainwater harvesting installation, or rainwater harvesting repairs and maintenance.

Frequently asked questions

What is stormwater interceptor installation?

It involves installing a device or system intended to intercept stormwater before it enters a drainage network, watercourse, soakage system or discharge point. The arrangement may slow, separate, trap or filter contaminants carried in stormwater.

Where might an interceptor be used?

Interceptors may be considered around areas such as car parks, workshops, service stations, washdown areas, loading docks, transport depots, hardstands, fuel storage areas, bin stores and industrial yards where stormwater may be contaminated.

What contaminants can an interceptor address?

Depending on the arrangement, it may be used to control material such as silt, sediment, gross pollutants, litter, hydrocarbons, oils, grease, sand and debris.

What information is useful for a commercial interceptor installation enquiry?

Useful details include the site address, business type, catchment area, surface type, likely contaminants, drainage plans, discharge point, existing-pit photos, traffic loads, maintenance access and relevant authority or environmental requirements.

Why does maintenance access matter?

Interceptors can incorporate inspection, sampling or maintenance access. Available access is one of the factors that should be considered alongside site space, drainage layout and the expected contaminants.

How can Find a Master Plumber help?

Find a Master Plumber can be used to choose a plumbing business for service needs and connects customers with Master Plumbers and plumbing businesses associated with Master Plumbers WA.

When making an enquiry, provide the available site and drainage information so a plumbing business can understand the stormwater setting, potential contaminants and access considerations.

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