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Explore articles and documents illustrating the truth and the crisis resulting from the Ōhau Diversion Wall’s degradation. The materials outline the technological, ecological, and social aspects that require intervention now.

Important articles & Documents

BoP Regional Council Presentation - 7th August

File Size: 5.55MB

Letter of Demand BoPRC - July 2025

File Size: 2MB

LWQS - Presentation-BoPRC Ohau Channel Wall - December

File Size: 8.18MB

David Hamilton 2009

File Size: 887KB

Ohau Wall Water Quality Annual Monitoring Report 2018 - 24

File Size: 3.97MB

RM16-0527 Consent Conditions FINAL

File Size: 468KB

Addressing Sheet Pile Microbially Induced Fresh Water Corrosion On Ohau Diversion Wall

File Size: 396KB

1-C1403 Ohau Diversion Wall Detailed Analysis Report

File Size: 2.24MB

Ohau Wall Construction- Lake Operations Officer Review

File Size: 391KB

NZ1-9275059-Ohau Diversion Wall - Corrosion Investigation

File Size: 139KB

Ohau Channel Diversion Wall Information Sheet

File Size: 1.29MB

Ohau Wall Stage 2 Report

File Size: 162MB

Ohau Wall - Steel Degration - 2023

File Size: 1.72MB

Ohau Diversion Wall 7 year Review - Report

File Size: 2.48MB

Ohau Diversion Wall - Corrosion Assessment 2023

File Size: 343KB

Response from BOPRC to Letter of Demand

File Size: 670 KB

Regional Council Agenda Paper 7 August 2025

File Size: 286 KB

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