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Freshwater services
https://niwa.co.nz/freshwater/our-services
Aquatic Biodiversity & Biosecurity - Our Services
https://niwa.co.nz/our-science/aquatic-biodiversity-and-biosecurity/our-services
Water Allocation Impacts on River Attributes (WAIORA)
https://niwa.co.nz/freshwater/our-services/catchment-modelling/water-allocation-impacts-on-river-attributes-waiora
Flow assessment and management
https://niwa.co.nz/freshwater/our-services/flow-assessment-and-management
Specialist analytical services
https://niwa.co.nz/our-science/freshwater/our-services/specialist-analytical-services
Wastewater treatment
https://niwa.co.nz/our-science/freshwater/our-services/water-quality-monitoring-and-advice/wastewater-treatment
Tools & Resources
https://niwa.co.nz/our-science/aquatic-biodiversity-and-biosecurity/tools
Freshwater management tools
https://niwa.co.nz/freshwater/management-tools
Models to help manage erosion
https://niwa.co.nz/freshwater/management-tools/sediment-tools/models-to-help-manage-erosion
Estimating deposited fine sediment
https://niwa.co.nz/freshwater/management-tools/sediment-tools/estimating-deposited-fine-sediment
Freshwater ID guides
https://niwa.co.nz/freshwater/management-tools/identification-guides-and-fact-sheets
Ancient isopods: conservation status of New Zealand phreatoicid isopods
https://niwa.co.nz/freshwater/marine-identification-guides-and-fact-sheets/isopods
Estuary monitoring by communities
https://niwa.co.nz/freshwater/management-tools/ecological-monitoring/estuary-monitoring-by-communities
Stocktake of diffuse pollution attenuation tools for New Zealand pastoral farming systems
https://niwa.co.nz/freshwater/management-tools/water-quality-tools/stocktake-of-diffuse-pollution-attenuation-tools-for-new-zealand-pastoral
Quick-guides to freshwater flora and fauna
https://niwa.co.nz/freshwater/management-tools/identification-guides-and-fact-sheets/quick-guides-to-freshwater-flora-and-fauna
Quorer: field and laboratory protocol for quoter
https://niwa.co.nz/freshwater/management-tools/sediment-tools/estimating-deposited-fine-sediment/quorer-field-and-laboratory-protocol
Shallow lakes restoration workshop
https://niwa.co.nz/our-science/freshwater/tools/restoration-tools/shallow-lakes-restoration-workshop
Riparian management classification
https://niwa.co.nz/our-science/freshwater/tools/restoration-tools/riparian-management-classification
Suspended-sediment yield estimator
https://niwa.co.nz/freshwater/management-tools/sediment-tools/suspended-sediment-yield-estimator
Tile drain wetland guidelines
https://niwa.co.nz/tile-drain-wetland-guidelines
Analysis of water quality trends
https://niwa.co.nz/freshwater/management-tools/water-quality-tools/analysis-of-water-quality-trends
Bio-oil from wastewater algae
https://niwa.co.nz/freshwater/research-projects/bio-oil-from-wastewater-algae
Contamination early-warning system for commercial shellfish harvest
https://niwa.co.nz/coasts-and-estuaries/research-projects/contamination-early-warning-system-for-commercial-shellfish-harvest
Dissolved oxygen criteria for fish
https://niwa.co.nz/freshwater/research-projects/dissolved-oxygen-criteria-for-fish
Do glass eels return to waterways where they have familial roots?
https://niwa.co.nz/freshwater/faq/do-glass-eels-return-to-waterways-where-they-have-familial-roots