Live Sewer Contractor
Katam Drainage was originally founded in 1999 by then owners Tristam and Karen Clarke. In 2024, it was acquired by Toner Group, which expanded the group’s service capabilities and reach into specialised drainage works on the network side of sewer and stormwater infrastructure.

Need an accredited live sewer contractor for South East Water? From Port Melbourne to Pakenham, Katam Drainage is the team you can rely on. With over 30+ years of experience and a team of more than 80+ fully employed trades professionals, we provide extensive authority works plumbing services throughout the South-East.

In addition to South East Water, we also carry up-to-date certifications from Greater Western Water, Yarra Valley Water, Barwon Water, Coliban Water, and Gippsland Water.


Live Sewer Contractor Melbourne

Accredited Contractor South East Water Services

As an accredited contractor for South East Water, Katam Drainage delivers extensive sewer and drainage services that meet stringent water authority standards. Our specialised teams handle everything from routine sewer cut-backs to complex live sewer repairs, making sure we cause minimal disruption to existing infrastructure.

Our South East Water-accredited services include:

  • Live sewer connections and repairs
  • Sewer cutback works for new developments
  • Emergency sewer repairs and replacements
  • CCTV drain inspections and diagnostics
  • Authority-approved sewer infrastructure installations
  • Stormwater drainage connections
  • Civil plumbing and drainage infrastructure works
Multi-Trade Experts

Why Choose Katam Drainage as Your Accredited Sewer Contractor?

Commercial Plumbing Services

Selecting the right accredited contractor for South East Water projects impacts project timelines, compliance, and overall success. Here's what sets Toner Group apart:

  • Multi-Authority Accreditation
    Beyond South East Water, we hold live sewer accreditations with all major Victorian water authorities, providing stress-free service across boundary areas and complex multi-authority projects.
  • Proven Track Record
    Our 30+ years of experience include successful delivery of authority works for commercial builders, land developers, and government agencies. Recent projects include the Homes Victorian development projects in Prahran, Hampton and Flemington, demonstrating our capacity for large-scale coordinated works.
  • Full-Service Capability
    As a multi-trade group offering plumbing, drainage, and electrical services, we eliminate coordination hassles and deliver integrated outcomes for complex projects.
  • Technology-Driven Effectiveness
    Our adoption of cloud-based job management systems (AroFlo) provides transparent project tracking, effective resource allocation, and timely completion of authority works.
  • "Striving for Better" Philosophy
    This core value drives our team to find innovative services, maintain open communication with South East Water, and deliver outcomes that exceed expectations.
Live Sewer

Sewer Cut Back South East Water Knowledge

Sewer cut-back works require precision, experience, and proper accreditation: qualities that define our approach to every South East Water project. Our licensed plumbers specialise in executing sewer cut backs for residential developments, commercial projects, and civil infrastructure throughout Melbourne’s south-eastern suburbs.

Key aspects of our sewer cut back services:

  • Pre-construction sewer location and marking
  • Authority-approved cut back procedures
  • Live sewer connections without service interruption
  • Compliance with WSA 02-2014 Gravity Sewer Code
  • Coordination with South East Water inspectors
  • Complete documentation and certification
Stormwater Infrastructure

Authority Works Plumbing South East Water

Our authority works plumbing capabilities include:

  • Design coordination with accredited consultants
  • Permit applications and approvals management
  • Live sewer works in active systems
  • New sewer main installations
  • Pump station connections
  • Rising main installations
  • Gravity sewer network extensions

Working closely with South East Water’s technical teams, we make sure all authority works meet current standards and codes, including WSA 02-2014 Gravity Sewerage Code of Australia. Our track record includes successful completion of projects ranging from $5,000 minor connections to $2 million major infrastructure works.


Toner Group is accredited to perform works for several water authorities including:
Greater Western Water
Yarra Valley
South East Water
Barwon water
Master Plumber
Energy-safe Victoria
Civil Contractors Federation Victoria
Building and Plumbing Commission
Vedn
NECA Member
Katam Drainage

Frequently Asked Questions

What qualifications do you hold as a South East Water contractor?

We’re an accredited live sewer contractor with South East Water. Our team maintains all required certifications, including confined space entry, traffic management, and safety training specific to authority works.

How quickly can you respond to emergency sewer repairs?

Our emergency response team provides 24/7 service for urgent sewer failures. With depots in Hallam and Altona North, we can mobilise quickly across South East Water’s service area, typically arriving on-site within hours of notification.

What types of authority works do you handle?

We manage all aspects of authority works plumbing, including live sewer connections, cut-backs, new main installations, pump stations, and gravity sewer extensions. Projects range from residential connections to major commercial infrastructure valued up to $2 million.

Do you handle the South East Water approval process?

Yes, we coordinate directly with South East Water for all necessary permits and approvals. Our knowledgeable team manages the entire process from initial applications through to final inspections and asset handover.

What safety measures do you implement for live sewer works?

Safety is paramount in our operations. We maintain extensive safety protocols, including gas monitoring, confined space procedures, traffic management, and bypass pumping systems. All work is covered by $20 million public liability insurance.

Can you work across multiple water authority areas?

Absolutely. We hold accreditations with South East Water, Greater Western Water, Yarra Valley Water, Barwon Water, Coliban Water, and Gippsland Water, enabling smooth project delivery across boundaries.

What areas do you service for South East Water projects?

We provide accredited sewer contractor services throughout South East Water’s service area across Melbourne’s south-eastern suburbs and extending into regional Victoria. Our two depot locations make sure we effectively cover all areas.

CCTV Drainage Inspections

Get Started with Melbourne’s Trusted Authority Works Specialist

Contact us today at 1300 252826 to discuss your South East Water authority work requirements. Our industry experts will guide you through the process, making sure your project meets all authority requirements while delivering on time and within budget.

Our Projects and Our People

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