Reports and Related Documents

This is where you can learn more about the history of water quality in the area, the science behind water quality interventions, and reports related to some of the work which has already been carried out.
 

Reports related to the Arawhata Constructed Wetland Complex

Arawhata Bush block planting 2022 and 2023
Arawhata Wetlands Concept Development Report - June 2023
Arawhata Farm Soil Sampling - March 2023
Preliminary Site Investigation - Hokio Beach Rd - October 2022
Arawhata Wetland complex options assessment - July 2022
Arawhata Wetland - Initial 2021 Conceptual Design Report
Arawhata Wetland Conceptual Design Draft - August 2023

Other reports related to the Horowhenua (Waiopehu) Freshwater Management Unit

Phosphorous and Nitrogen Budgets for Lake Horowhenua - September 2022
The Waiopehu FMU Water Quality Model - August 2022
Ōhau and Waikawa Estuaries – Nutrient Limit Setting - August 2022
Lake Horowhenua Groundwater Model - October 2021
Synoptic Subtidal Monitoring of Ōhau Estuary - 2021
Synoptic Subtidal Monitoring of Waikawa Estuary - 2021
Integrated Sediment, Nutrient and Drainage Management Plan for the Arawhata Catchment - March 2021
Synoptic Subtidal Monitoring of Waikawa Estuary - 2020
Synoptic Subtidal Monitoring of Ōhau Estuary - 2020
Lake Horowhenua Sediment Legacy - November 2019
Lake Horowhenua Water Balance Assessment - October 2019
Synoptic Subtidal Monitoring of Waikawa Estuary - 2019
Kākahi Survey of Lake Horowhenua - June 2018
Lake Horowhenua Pest Fish Monitoring - 2018
Ōhau Estuary Synoptic Intertidal and Subtidal Survey - 2017-18
Waikawa Estuary Synoptic Intertidal and Subtidal Survey - 2017-18
Lake Horowhenua Catchment Report Card - 2017
Lake Horowhenua Accord Action Plan - 2014-16
Informing a Weed Harvesting Strategy at Lake Horowhenua - January 2015
Life-History of Lake Horowhenua Common Smelt - November 2013
Assessment of Fish Populations in Lake Horowhenua - September 2013
Lake Horowhenua Accord - August 2013
Restoration Plan for Lake Horowhenua - 2012
Assessment of Opportunities to Address Water Quality Issues in Lake Horowhenua - 2011