Final-Technical-Assessment-K-Freshwater-Ecology-v2.pdf [pdf, 2.6 MB]
...Ohau, Waikawa, and Waitohu catchments. Ō2NL Project: Technical Assessment K Page 41 100. A plan of all catchments crossed by the Ō2NL Project is included in Volume III: Stormwater drawing set 310203848-01-300-C2000 – C2003. 101. The Waitohu Stream has its headwaters in the foothills of the Tararua Ranges and drains an area of 54 km2. GWRC monitors the ecology and water quality of two sites, both in the lower catchment downstream of the proposed designation (refer...