Overseer use in setting and managing to limits

1. Place co-brand logo[s] here if required Overseer use in setting and managing to limits Matt Harcombe 17 December 2013

2. Project purpose Milestones Key questions and discussion Where to next Today

3. Project Purpose • Overseer is not used for purposes for which it was not designed • Key issues are approached with consistency by those using Overseer • There is increased understanding about Overseer and its limitations in setting and managing to water quality limits • There is an increased level of interaction and partnership in the ongoing use of Overseer in policy • There is decreased uncertainty and increased alignment in the use of Overseer in setting and managing to limits

4. Milestones and timelines • Information collection, draft project requirements and scope – 30 November 2013 • Liaison and testing ideas with regional council staff, co – owners, Overseer experts and industry – November/December 2013 – January/February 2014 • Forum with regional council staff /experts/co-owners – February 2014 • Assessment of project milestones, requirement for further guidance and formal communication with regional councils – March 2014 • Development of further guidance if required and ongoing communication/liaison - June 2014 onwards

5. What is not in scope • Discussion and guidance on other models • Technical updates, Governance and management of Overseer • Nutrient(load) allocation and limit setting methodology (although discussion on Overseer role in that is important and within scope)

6. Key Questions • What is the place of Overseer in setting and managing to limits? • Are Overseer estimates good enough to estimate compliance with a property based nutrient discharge limit? • How should Overseer uncertainty be accounted for in rules? • How should version updates of Overseer be managed? :

7. Where to now – what do you see as being a useful approach? What work or information is needed?