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February 2021The New Zealand wastewater sector report documents the challenges facing the wastewater sector in New Zealand. It describes the wastewater’s regulatory and service delivery elements, and examines issues affecting the sector. Read more -
August 2020The New Zealand Threat Classification System provides a tool for assigning a threat status to candidate taxa. Read more -
October 2017This report describes the rainfall indices and datasets used in the measure of rainfall intensity in the Environmental indicators Te taiao Aotearoa series. Read more -
May 2007This report presents the results of the first round of monitoring of Urban Design Protocol signatories' action plans. The results indicated healthy progress was being made towards giving effect to the Protocol. Read more -
July 2008The Ministry commissioned an independent review to obtain stakeholder feedback on the readability, content and overall usefulness of the Environment New Zealand 2007 report. Read more -
August 2020This guidance document sets out recommended practice for the design of instream infrastructure to provide for fish passage and to set the foundation for the improvement of fish passage management in New Zealand. Read more -
June 2000A background review of the structure and value of periphyton communities in streams, factors controlling growth and composition of periphyton, and the effects of human activities on the community. Read more -
February 2017This report reviews the original report, 'Strategic assessment of New Zealand’s freshwaters for recreational use: a human health perspective'. Read more -
April 2018The Ministry for the Environment, Department of Conservation, and the Biological Heritage National Science Challenge co-funded research to look at contemporary losses of wetland extent in New Zealand. This report provides recommendations and a suggested path forward to improve our ability to monitor and report on national wetland extent. Read more -
April 2020In 2018, the Ministry asked Deloitte to consider the extent of water bottling in Aotearoa New Zealand NZ and the economic value of water bottling for water bottlers and communities. This report presents their findings. Read more -
September 2020An evaluation report and compilation spreadsheet of available tools, databases and resources relating to the distribution of threatened freshwater species and their habitats in New Zealand. Read more -
December 2018Ministry for the Environment, in partnership with Bay of Plenty Regional Council, commissioned a literature review to get an accessible summary of relevant research carried out in New Zealand on methods to manage sediment and their economic assessment. Read more -
May 2018This report outlines the establishment of reference conditions and trigger values. Reference conditions are defined as the chemical, physical or biological conditions that can be expected in streams and rivers with minimal or no anthropogenic influence. Read more -
April 2018This report provides an analysis of New Zealand’s wetland loss for the period summer 2001/2 through to summer 2015/2016. Read more -
November 2013This report compiles a list of mitigation strategies for managing water quality that are currently available in New Zealand. It provides a commentary on their relative cost-effectiveness. Read more -
November 2013This report compiles a list of mitigation strategies for managing water quality that are currently available in New Zealand. It provides a commentary on their relative cost-effectiveness. Read more -
September 2006This independent research report prepared for the Ministry by Research New Zealand details the results of the Local Government Urban Design Skills Survey undertaken during May and June 2006. Read more -
July 2016This report provides information about the way nine ‘high growth’ councils in New Zealand estimate demand for housing and business land, and how they measure the development capacity available to meet that demand. Read more -
July 2008This proposed National Policy Statement on Freshwater Management sets out the objective and policies for managing New Zealand's freshwater resources under the Resource Management Act 1991. The NPS came into effect on 1 July 2011. Read more -
September 2005During 2005/06 the Organisation for Economic Cooperation and Development (OECD) undertook a review of New Zealand’s environmental performance. This information sheet outlined the nature and process of the review and how interested individuals and groups could get involved. Read more -
November 2009In 2008, the Ministry engaged MWH New Zealand Ltd to investigate the nature and extent of urban design related provisions in local authority plans and policy statements prepared under the Resource Management Act. This report presents a summary of that research. Read more -
November 2009In 2008, the Ministry engaged MWH New Zealand Ltd to investigate the nature and extent of urban design related provisions in local authority plans and policy statements prepared under the Resource Management Act. This report presents the detailed findings of that research. Read more -
June 2016This report presents the findings of research into the sufficient supply of business land in urban areas experiencing the highest population growth in New Zealand. Where issues where identified the research looked at whether the proposed National Policy Statement on Urban Development Capacity would address those issues. Read more -
July 2017Since 2015, Gisborne District Council (GDC) and Beef and Lamb New Zealand have been engaging with Rere farmers to try and raise water quality together to a swimmable standard. Farmer interest and participation in the project has been high and this report tells the story of the Rere Project to date, including lessons, next steps and strategic implications. Read more -
October 2017This report details the methodologies underlying updated estimates of glacier ice volume change in New Zealand. The estimates were used in the measure of Annual glacier ice volumes in the Environmental indicators Te taiao Aotearoa series. Read more -
September 2019This is the draft of the proposed new National Policy Statement for Freshwater Management (NPS-FM). It sets out the objectives and policies for freshwater management under the Resource Management Act 1991. Read more -
On tap?: Attitudes, behaviours, and perceptions of household water use – informing demand managementJuly 2009This report summarises research on household water use. It presents existing and new consumer research on attitudes to water, population segmentations, behaviours, and barriers and incentives to action. Read more -
September 2019This report by Kāhui Wai Māori sets out recommendations for our nation to journey together in implementing a managed transitoin to a new system of care and respect for water. Read more -
May 2017This report provides information on the categories used in the swimming maps, proposed targets, and proposed amendments to the National Policy Statement for Freshwater Management released as part of the Government’s Clean Water package in February 2017. Read more -
May 2011An evaluation of alternatives, benefits and costs under section 32 of the Resource Management Act 1991 was carried out before the introduction of the National Policy Statement for Freshwater Management 2011. The NES came into effect on 1 July 2011. Read more -
May 2011The National Policy Statement for Freshwater Management 2011 sets out the objectives and policies for freshwater management under the Resource Management Act 1991. The NES came into effect on 1 July 2011. Read more -
January 2021This report describes a pilot study to validate methods and assess cost savings for the design of a large-scale replacement study of the 1998-2000 Quantitative Microbial Risk Assessment. Read more -
June 2017The regional/unitary councils for Waikato, Auckland, and Northland require a model to predict the annual delivery and sources of sediment across their regions for the purposes of environmental reporting and to inform strategy, policy, and sediment management operations. This study addresses this requirement in two tasks. Read more