Our team of water and effluent storage specialists at Sustainable Water have many years of combined, professional training and practical experience to assist with, or manage, your particular project.
Tim O’Sullivan Director – B.Ag.Sc.

Tim started directing Sustainable Water from its inception in 2011 after the successful amalgamation of two companies. Since then, Tim has developed his team of staff, and subsequent services, into a comprehensive water management company. The agricultural industry will always be evolving and Tim’s philosophy of providing efficient, innovative solutions is reflected in the variety of projects accredited to the company’s achievements to date. Tim was the National Bank Young Farmer of the year 2009, a representative player for NPC rugby and is a happily married father of three. tim@sustainablewater.co.nz
Steve Kirsopp B.Ag.Com (Masterate Farm Management)

Steve is responsible for the designing and pricing of irrigation for individual clients and group schemes, managing projects from design through to commission phase. Coming from a long background in Agricultural Research, with 10 years of experience in Farm Financing, Steve appreciates the scope of work and interaction with clients and fellow staff members that his role presents. When not crunching the best independent deals for his clients, or researching the future of irrigation technology, Steve can be found at home farming with his family, or enjoying Canterbury’s great outdoors, hunting and fishing. steve@sustainablewater.co.nz
Andy Broomhall
Andy is responsible for the design and project management of effluent systems, overseeing all aspects of farm resource management and environmental compliances. With extensive agricultural knowledge and experience in nutrient and soil quality management, Andy brings a skill set that allows Sustainable Water to offer a comprehensive farm development service. andy@sustainablewater.co.nz
Field Managers
The installation management team, led by Johnny Gailbraith, is responsible for the management of all on site pipe and pond lining installation.