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Riverworks Report

Riverworks Report

Updated 21 May 2018 2:18pm

Greater Wellington Regional Council

Flood Protection Operations River Works Schedule

Period 21 May – 27 May 2018




Wairarapa Area



Lower Wairarapa Valley


Ruamahanga -  Mahaki                     

Ruamahanga Waihenga

Ruamahanga Matinborough

Ruamahanga Tuhitara


Gravel extraction

Gravel extraction/bed & beach recontouring

Boulder protection

Boulder protection


Tauherenikau River

Upstream of SH2 (1km)

Diversion Road

SH2 to Diversion Rd

Gravel extraction

Gravel extraction

Bed & beach recontouring

Upper Ruamahanga River

Black Rock Road

2km below Te Ore Ore Bridge

2km below Kokatau Bridge Gladstone

3km below Wardells Bridge

3km downstream of Gladstone Bridge

Gladstone Bridge R/B-L-B

Dakins Road

Grave extraction

Gravel groynes

Gravel extraction

Gravel extraction

Gravel extraction

Tree Clearing

Rock groyne construction

Waiohine River             

Above SH2 (1km)

Rail Bridge to SH2

Gravel extraction 

Bed & beach recontouring/gravel groynes

Waingawa River

South Road

Rail bridge to MDC Water treatment plant

200m upstream of confluence

Gravel groyne maintenance

Vegetation clearing

Gravel extraction/groyne maintenance

Waipoua River

3.5km downstream of Mikimiki Rd Gravel groynes/Maintenance/beach recontouring
Other Wairarapa rivers & streams

Kaipatangata Stream (Dalefield Road)

Wet extraction

Wellington Area


Hutt River

Manor Park

River Road


Repair rock groynes

Rock line rpairs/remove old debris fences/channe clearing run

Other Wellington rivers  & streams

Wainuiomata River

Tawa Arrestor

Seton Nossiter

Erosion repairs

Clear arrestor

Clear gravel from inlet and repair rock wall

Kapiti Area



Otaki River

Lower Rangiuru

Gravel extraction

Waikanae River


No in channel work

Other Kapiti rivers & streams

Waitohu Stream

Sarting at Walkers Drain, Te Horo

Tree clearing

Drain clearing run

Please note: This list is a general description of the work planned during the next week. Please contact Flood Protection staff for further detail. Completion of this work is dependent on weather conditions and contractor availability.  All work listed may not be completed in the following week.