Freshwater
Data for New Zealand Freshwaters.
More Information about ESNZ freshwater science and capabilities can be found here.
Products
Hydrometric station data (daily)
Observational Data collected at hydrometric stations across New Zealand
Freshwater Fish Database
Freshwater fish observations covering sample sites up and down New Zealand.
Freshwater Biology data
Freshwater biology data collected during projects across New Zealand
National depth to groundwater spatial data
National geospatial datasets of depth to groundwater derived from observations
River water quality datasets
River water quality measurements derived from samples
Flood hazard for New Zealand flood plains (by region)
100-year flood hazard for current and future climate for New Zealand floodplains
Flood hazard for New Zealand flood plains (by domain)
100-year flood hazard for current and future climate for New Zealand floodplains
Submerged aquatic lake plants
Tool to assess and report on the ecological condition of New Zealand lakes.
Digital River Network
Digital geospatial database of New Zealand river segments and related catchments
National Groundwater Monitoring Programme
Groundwater source location, groundwater quality indicators, tracer measurements for 110 sites
Flood flow and frequency
Estimates of peak flood flows for over 600,000 river segments
Hydrogeological basement map
New Zealand’s depth to hydrogeological basement map
New Zealand Aquifer Potential Map
The Aquifer Potential map shows a good match with the most recent New Zealand national aquifer boundary
New Zealand Groundwater Recharge Model
Monthly data of 1km x 1km rainfall recharge to groundwater, from Jan-2000 – Dec-2014
National Water Table
Model-derived steady-state mean water table at the New Zealand scale, 250m x 250m resolution
Aquatic invertebrate traits database
500 Aquatic invertebrate taxa are described in this database
Snow data
Snow data from New Zealand stations
Geothermal and GroundWater database (GGW)
Geochemical, hydrological, geological and/or geophysical information for Sites in New Zealand
Te Whakaheke o Te Wai (National Groundwater)
New Zealand Groundwater Datasets generated from a Modflow model
Fish passage assessment tool
Records of instream structures and their impact on fish movement