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.

As an accredited live sewer contractor for Barwon Water, we have fully licensed professionals ready to handle complex live sewer works, authority works plumbing, and critical sewer cut-back projects across Melbourne’s outer west.

With multi-trade capacity and investment in specialised equipment, we’re able to tackle the most challenging sewer infrastructure projects. Contact us now to chat with an expert!


Live Sewer Contractor Melbourne

Accredited Sewer Contractor Barwon Water Services

As an accredited sewer contractor for Barwon Water, Toner Group maintains full compliance with all authority requirements and standards. Our accreditation extends across multiple water authorities, including Greater Western Water, South East Water, Yarra Valley Water, Coliban Water, and Gippsland Water, positioning us as Victoria’s premier multi-authority contractor.

Our extensive live sewer services include:

  • Live sewer connections and tie-ins
  • Emergency sewer repairs and replacements
  • Sewer infrastructure works for new developments
  • Complex drainage construction services
  • CCTV drain inspections and diagnostics
  • Sewer cutback operations for Barwon Water
  • Authority-approved infrastructure modifications
  • Stormwater and sewer network installations

Every project follows strict WSA 02-2014 Gravity Sewer Code compliance, making sure that all authority works plumbing meets Barwon Water’s exacting standards.

Live Sewer

Authority Works Plumbing Barwon Water Specialists

Authority works plumbing for Barwon Water requires specialised knowledge, equipment, and accreditation that few contractors possess.

Our authority works capabilities encompass:

  • Pre-construction sewer assessments and planning
  • Coordinated excavation and access works
  • Live sewer bypass operations
  • Precision sewer cutback procedures
  • New connection installations
  • Infrastructure upgrades and replacements
  • Post-works testing and certification
  • Wide-ranging documentation for Barwon Water
Multi-Trade Experts

Why Choose Katam Drainage as Your Accredited Contractors?

Commercial Plumbing Services

Selecting the right live sewer contractor for Barwon Water projects requires confidence in capability, compliance, and delivery. Katam Drainage brings one of a kind advantages to every authority works project:

  • Multi-Authority Accreditation
    As an accredited contractor across six major Victorian water authorities, we understand varying requirements and maintain consistent compliance standards.
  • Proven Track Record
    Over 30+ years delivering complex sewer infrastructure projects, with long-standing relationships spanning 10+ years with major clients.
  • Rapid Response Capability
    Two strategic depot locations and 80+ trades enable immediate mobilisation for emergency authority works and time-critical projects.
  • Complete Project Services
    From initial CCTV inspections through to final authority sign-offs, we manage every aspect of live sewer projects.
  • Investment in Excellence
    Continuous investment in people, equipment, and technology makes sure we deliver superior outcomes on every Barwon Water project.
Stormwater Infrastructure

Multi-Trade Capacity for Complex Projects

With over 80+ fully employed trades professionals covering plumbing, drainage, and electrical services, we deliver coordinated services that streamline complex infrastructure projects. This allows us to provide:

  • Large-scale commercial developments requiring simultaneous trades
  • Emergency response situations needing rapid multidisciplinary deployment
  • Modular construction projects with compressed timelines
  • Civil infrastructure works involving multiple authority approvals
  • Brownfield developments with existing live services

Our teams have successfully completed projects ranging from $5,000 authority works to $2 million infrastructure programmes. Recent achievements include delivering eight kindergarten projects across Victoria within compressed 6-7 month timeframes, demonstrating our capacity to mobilise resources productively whilst maintaining quality standards.


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 makes Katam Drainage qualified as a live sewer contractor for Barwon Water?

We maintain full accreditation as a live sewer contractor with Barwon Water, backed by versatile insurance and over 30 years of experience in complex sewer infrastructure works.

Can you handle emergency authority work for Barwon Water?

Yes, our emergency response teams specialise in urgent authority works plumbing, with rapid deployment from our Altona North depot to address critical sewer infrastructure issues.

What types of sewer cut back projects do you undertake?

We perform all types of sewer cutback operations for Barwon Water, from residential connections to major commercial infrastructure modifications, following strict authority procedures and safety protocols.

Do you work with other water authorities other than Barwon Water?

Yes, we’re accredited contractors with Greater Western Water, South East Water, Yarra Valley Water, Coliban Water, and Gippsland Water, providing consistent quality across all authority jurisdictions.

What's your typical project timeline for authority works?

Project timelines vary based on scope and complexity. We provide detailed schedules during quoting and maintain open communication with Barwon Water throughout to make sure timely approvals and completions.

How do you make sure compliance with Barwon Water requirements?

Our dedicated compliance team maintains current knowledge of all authority requirements, supported by our Safety Champion system for documentation and our established relationships with Barwon Water technical teams.

For expert live sewer contractor services approved by Barwon Water, contact Katam Drainage on 1300 252 826. Our accredited teams deliver safe, compliant authority works in Geelong, Melbourne and regional Victoria.

CCTV Drainage Inspections

Safety and Compliance

  • $20 million public liability insurance coverage
  • Full Victorian Building Authority plumbing registration (30710)
  • Civil Contractors Federation management system accreditation
  • Regular safety audits and team training programmes
  • Detailed incident reporting and quality tracking systems
  • Complete adherence to VIC Plumbing Regulations 2018
Our Projects and Our People

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