Stormwater Symposium

Stormwater Symposium

The 2026 Stormwater Symposium conclued on May 1 and brought together cultural grounding, key insights and real momentum across the people shaping our state’s stormwater future.


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Stormwater Symposium

South Australia’s Stormwater Symposium


The 2026 Stormwater Symposium combines senior practitioners, policy leaders and innovators for an afternoon of current updates shaping South Australia’s stormwater future. The program has been designed to move from strategic context to technical depth with key updates from the Stormwater Management Authority, state agencies and industry partners. With expert presentations, sponsor showcases, and a sector panel to close, the 2026 IPWEA SA Stormwater Symposium offers a concentrated opportunity for learning, connection and forward‑looking discussion across the stormwater and urban water community.

Event Overview

Date: Friday, 1 May 2026

Time: 11:45am – 05:00pm

Venue: Yitpi Yartapuultiku , 1300 Old Port Rd, Port Adelaide SA 5015

Cost:

  • IPWEA: $90 + GST
  • Non-members: $150 + GST

Inclusions: Lunch, afternoon tea and networking drinks.

What to Expect!

Presentations

Learn from senior practitioners, policy leaders and innovators shaping the technical future of stormwater

Real case studies

Hear directly from our sponsors on what’s working on the ground today

Connections that count

Meet leaders, grow your network, and build impactful relationships

Featuring Talks From

Wally Iasiello

Deputy Presiding Member 

Stormwater Management Authority Update

Wally Iasiello is the Deputy Presiding Member of the Stormwater Management Authority and a respected leader in South Australia’s stormwater and urban water sector. With extensive experience in strategic planning, flood mitigation and stormwater governance, Wally plays a key role in guiding statewide investment and policy to improve community resilience and water management outcomes.

Wally Iasiello

Martin Allen

Martin Allen

Principal Policy Officer, Urban Water Team

AR&R Climate Change Guidance

Martin Allen is a Principal Policy Officer in the Urban Water Team, where he plays a key role in shaping policy, strategy and regulatory settings that support sustainable, resilient and integrated urban water management. With extensive experience across water planning, stormwater management and cross‑agency collaboration, Martin provides expert advice that strengthens government decision‑making and supports improved outcomes for communities and the environment. He is recognised for his strategic insight, technical understanding and commitment to advancing best practice in urban water policy.

Mollie O'Connor

Acting Manager, Planning and Design Code DHUD

Planning with the Code

Mollie O’Connor leads key policy, code amendment and regulatory projects that shape South Australia’s planning system. With strong expertise in strategic planning, hazard policy and contemporary code reform, Mollie plays a central role in ensuring the Code remains responsive, evidence‑based and aligned with emerging environmental and development challenges. She is recognised for her collaborative approach, technical approach, and commitment to improving planning outcomes for communities.

Mollie O'Connor

Trudy Green

Trudy Green

Head of Partnerships, eWater Solutions

MUSIC Modernisation

Trudy Green is the Head of Partnerships at eWater Solutions and a nationally recognised leader in urban water modelling and sector collaboration. She plays a central role in guiding the modernisation of MUSIC, Australia’s most widely used stormwater quality modelling tool, ensuring it remains aligned with contemporary science, climate resilience and practitioner needs. With deep experience across water management, modelling and stakeholder engagement, Trudy works closely with governments, industry and the research community to strengthen capability and support better stormwater and catchment outcomes across Australia.

Closing Panel Session: AR&R Guidance

The day concludes with a no‑nonsense, straight‑talk panel featuring DIT, DEW and Southfront, unpacking what the AR&R Guidance means for stormwater design, delivery and decision‑making in our State. Expect challenging discussions when policy, practice and industry come together.

Session Panelists:

Drew Jacobi – Director, Southfront
Martin Allen – Principal Policy Officer, Urban Water Team, Department for Environment and Water
Dean Knobbs – Drainage Contractor, Technical Services, Department for Infrastructure and Transport
David Trebilcock – Lead - Water and Environment, City of Tea Tree Gully Council

Sample Panel Image

Who Should Attend

  • Local and state government officers
  • Stormwater Engineers
  • Urban Water Planner
  • Water Resources Engineers
  • Stormwater Asset Manager
  • Civil Engineer – Stormwater & Drainage
  • Maintenance Supervisor
  • Researchers
  • Students
  • Early‑career practitioners

Event Schedule

12:00pm – 1:00 pm

REGISTRATIONS & LUNCH

Guided tour available at 12:15pm to 12:45pm 

1:00pm

Opening by Kathryn Johnson

Welcome from IPWEA SA Committee Chair Kathryn Johnston

1:05pm – 1:30pm

Stormwater Management Authority Update 

Presentation By: Wally Iasiello, Deputy Presiding Member, Stormwater Management Authority 

1:30pm – 2:00pm

AR&R Climate Change Guidance 

Presentation By:  Martin Allen, Principal Policy Officer, Urban Water Team, Department for Environment and Water 

2:00pm – 2:05pm

Sponsor presentation  

Presentation By: Richard Powell, Director, Plumbing and Pipeline Solutions 

2:05pm – 2:35pm

Flooding Hazards Code Amendment 

Presentation By: Mollie O’Connor, Project Lead – Strategic Policy, Planning and Building, Department for Housing and Urban Development 

2:35pm – 3:05pm

Rymill Park Lake System 

Presentation by: Robin Allison, Director, Design Flow

3:05pm – 3:10pm

Sponsor Presentation

Presentation By: Drew Jacobi, Director, Southfront 

3:10pm – 3:30pm

AFTERNOON TEA

Recharge with refreshments and informal conversations with speakers and attendees.

3:30pm – 3:35pm

Sponsor Presentation

Presentation By: Complete Urban

3:35pm – 4:05pm

MUSIC Modernisation 

Presentation By: Trudy Green, Head of Partnerships, eWater Solutions 

4:05pm – 4:35pm

Panel Session – Future proofing urban stormwater management 

Dean Knobbs, Department for Infrastructure and Transport  
Martin Allen, Department for Environment and Water  
Drew Jacobi, Southfront,  
David Trebilcock, City of Tea Tree Gully Council 
4:35pm – 4:40pm

Close

4:40pm

Sponsor presentation - Neilly Group

4:40pm – 5:30pm

Drinks and Networking

Wind down the day with drinks. Sponsored by Egis.

Our Sponsors

Complete Urban

Plumbing & Pipeline Solutions

Southfront

Neilly Group

Ocean Protect

Adelaide Convention Center

Emerging Technology Forums at IPWC

IPWEA’s International Public Works Conference will feature 3 new Emerging Technology Forums, available as day registrations and to full time delegates.

A full day SLSC Forum will be held in Adelaide on Wednesday 4th May. The Forum which build on four highly successful previous SLSC Conferences and is offered as a face to face and virtual event.

The Conference will also feature and Full day Asset Tacking & Monitoring Forum on Tuesday 3rd May and a Smart Parking Forum on Monday 2nd May.

FIND OUT MORE

Our Sponsors

Modelve

PRINCIPAL PARTNER

Modelve is a futuristic modelling platform that equips asset owners to engage with communities. It optimises budgets, risk and sustainability goals to communicate your asset stories simply and meaningfully.

SDU

GOLD SPONSOR

Space Down Under is a cost-effective and proven passive irrigation system to maximise stormwater infiltration to help street trees thrive. Space Down Under is a South Australian startup making waves in water-sensitive urban design (WSUD) by helping councils transform streetscapes into resilient, green infrastructure. Their work is especially relevant across Adelaide and regional SA, where climate extremes and urban heat are pressing concerns. Improve street tree health and support urban cooling with Space Down Under.

Sproutt

SILVER SPONSOR

Sproutt provides bespoke financial solutions that support asset management planning, accounting, and strategic financial operations. Founded in 2018 by Trevor Yeoman and Michael Stanford, Sproutt also delivers civil, traffic, and structural engineering services, GIS & data solutions, and urban design. Sproutt aims to streamline infrastructure planning and financial strategy.

Egis

NETWORKING SPONSOR- DRINKS

Every day we partner with our clients and the community to create Joyful Connected Cities. Through our expertise in Advisory, Architecture, Engineering Design and Infrastructure Management, we are tackling some of the biggest infrastructure and environmental challenges we face to build a more balanced, sustainable and resilient world.​

Downer

NETWORKING SPONSOR- LUNCH

Downer Group is a leading provider of integrated services in Australia and New Zealand across more than 700 sites. In the Transport and Infrastructure sector, Downer has over 2,000 full-time employees in Aus and 3,500 in NZ. In South Australia, Downer maintains a strong local presence with over 300 employees in construction, asphalt surfacing, spray sealing, and maintenance of roads, roadsides, Intelligent Transport Systems (ITS), tunnels, and bridges. Downer’s National Asset Management Team, combined with local expertise in delivers services to over 20 LGA's, 30 private customers, and the Department for Infrastructure and Transport (DIT) annually within South Australia.