Home 2017-08-03T23:45:15+00:00

WET is a community organisation dedicated to the improvement of the health and biodiversity of Te Waihora/Lake Ellesmere and its catchment.

Lake is currently:OPEN to the Sea Latest lake level reading:0.64m calm average lake level
recorded on August 11, 2017

Latest News

Selwyn Waihora Seminar Series

August 14th, 2017|

The Selwyn Waihora Zone Committee is hosting seven public seminars about water issues in Selwyn. The seminars will run fortnightly starting on the 22nd of June and will be held at Lincoln University, Ellesmere Junction Road/Springs Road, [...]

Selwyn Water?

August 7th, 2017|

A Community Meeting is being held this Thursday the 10th A number of  speakers who will outline serious issues regarding our water and also offer some positive ways forward that will benefit everyone in the community.   [...]

2017 Living Lake Symposium

Planning is well under way for the sixth Living Lake Symposium which WET will host on November 9th and 10th, 2017.

Thursday the 9th will be a field trip day to see projects around the catchment and Friday 10th will be a day of presentations at Lincoln University.

More information about the Symposium and registration will be available soon. Note that if you are a member of WET you will get discounted fees, you can download the membership form from here.

The theme for the symposium is “Streams of Action” and will focus on the wider catchment. The State of the Lake Report will be published in conjunction with the symposium.

WET Featured Articles

The WaiLW 2017 logohora Ellesmere Trust is very pleased to be working with Living Water, a partnership between DOC and Fonterra, to help achieve their goals and to further the aims of the Trust. Our ‘Living Water Updates’ page will keep you up to date with what’s happening with this exciting project.


2015 report

Te Waihora/Lake Ellesmere: State of the Lake 2015

A new report, released in November 2015, gives an overview of the health of Te Waihora/Lake Ellesmere and changes over the last two years since the previous report. Topics covered include governance and management, land and water, flora and fauna, economy, recreation and cultural health.



Te Waihora/Lake Ellesmere: State of the Lake 2013

A report, released in early November 2013, brings together information about the state of the land, water, wildlife, recreation, cultural health and more to create a snapshot of the state of the lake.



Sustainable Drains – an important focus for the trust

The land surrounding Te Waihora/Lake Ellesmere has many natural springs and streams, modified waterways and constructed drainage channels. These combine to form a complex interconnected network and ultimately flow into Te Waihora/Lake Ellesmere.


Te Waihora Lake Ellesmere

Te Waihora Lake Ellesmere, one of New Zealand’s most important wetland systems, is a brackish, shallow lagoon with an average depth of 1.4m. Covering around 20,000 hectares, Te Waihora Lake Ellesmere, which lies just to the south of Banks Peninsula, is New Zealand’s fifth largest lake and is internationally significant for its wildlife abundance and diversity. The total number of bird species recorded at the lake is 167, with at least 37 species breeding. 43 species of fish have been recorded in the lake.

Acknowledging the past and looking to the future, we:


Enhancing understanding, awareness and the value of the Lake through education programmes, newsletters, and field days.



Promoting better management practices through public seminars and by partnering with private landowners, community groups and government agencies.



Providing opportunities and encouragement for people to get actively involved in projects to rehabilitate the ecosystem through riparian and wetland enhancement.