Our Work


  • Quality assurance of core rainfall network data, Manawatu Whanganui.
  • Quality assurance & maintenance of Genesis Energy operational and archive databases.
  • Te Awainanga River hydraulic model for a Chatham Island mini-hydro scheme.
  • Review of small hydro schemes on the Chatham Islands.
  • Modelled flood flows at the Makara Stream confluence on the Karori Stream, Wellington.

  • Review of flood hydrology methods for Comprehensive Safety Reviews at Wahapo, Dillmans and Arnold HEP Schemes.
  • Flood assessment for small farm dams at Te Apiti wind farm.
  • Modelled reservoir operation and future water utilisation at Juanda hydro-electric power project in Indonesia assuming up-rated hydro plant, future increases in multi-purpose water demand and reduced storage capacity in the reservoir due to sedimentation.
  • Assessment of available flow from the Kereu River and modelling of irrigatable kiwifruit canopy area for a proposed irrigation scheme.
  • Assessment of flow available in the Waiaua Stream and modeling of alternative abstraction rules.
  • Assessment of reliable irrigation flow at Ashcott Water Co. take from the Tukituki River.
  • Lenders hydrology advisor in a review of the design of an expansion in generating capacity and hydro storage for the Thuen-Hinboun hydro-electric scheme in Laos PDR.
  • An audit of contracted hydrometric services for the Tongariro and Waikaremoana Power Scheme.
  • An assessment of the river level risk to operating Waikato Water Treatment Plant.
  • Compilation of resource data and analysis of monthly and annual trends in electricity demand, hydrology and wind resources for Chatham Island.

  • Hydro power feasibility study for a small community scheme on Blackball Creek near Greymouth.
  • Investigation of the effect of the proposed Upper Wairau Power Scheme on river hydrology and presentation of evidence in the Environment Court.
  • Assessment of flow characteristic of the Te Puna Stream near Tauranga for a small hydropower scheme.
  • Investigation of available flow and the reliability of takes for two southern Hawkes Bay farms appealing Resource consent decisions.
  • Documentation and revision of a flow gauging plan for NIWA that achieves the Tongariro Power Scheme consented real-time data quality standard.

  • Documentation of procedures for establishing hydrometric gauging stations at Genesis Energy.
  • Review of hydrology for a Comprehensive Safety Review at Patea Dam.
  • Preliminary investigation of Gibb Creek flow characteristics for a micro-hydro scheme at Franz Josef.
  • Assessment of hydrology for Te Puna micro-hydro power scheme feasibility report.
  • Investigation of available flow in Waitekohe Stream for horticultural frost protection.
  • Technical writing for a Hydrological Information Quality Manual at Meridian Energy.
  • Hydrometric data updates to operational and archive databases at Genesis Energy.

  • Data revision and audit of Waipawa River flow records 1987-2010 flow records (in progress)
  • Evaluation of dam sites for farm scale irrigation storage dam, Central Hawkes Bay.
  • Peer review of historical feasibility studies for Balintingon Multi-purpose Scheme, Philippines.
  • Updated census of water level and rainfall recorders in New Zealand (1850-2010).
  • Review of pre-archive resource consent compliance data for Tongariro Power Scheme.
  • Development of a Genesis Energy hydrometric data quality assurance manual.
  • Review of pre-archive quality assured rainfall and soil moisture/temperature data, Manawatu/Whanganui.
  • Flow assessment for a mini-hydro power opportunity near Te Kuiti.

  • Quality assurance of flow meter data in the Manawatu/Whanganui region (in progress).