Welcome to NIWA LakeSPI reporting!

LakeSPI (Lake Submerged Plant Indicators) is a lake information and management tool used to assess and report on the ecological condition of New Zealand lakes.

You can use this website to take a closer look at a lake near you!

• Learn more about the ecological condition of your lake.
• Discover which submerged plants are growing in your lake.
• Follow changes occurring in your lake over time.

For lake managers, LakeSPI has many other uses.

A simple map view and search engine allows you to locate your lake and view LakeSPI Report Cards. To search for a lake click the Lake Search tab at the top of this page.