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Silt FAQs

When you call to arrange silt pick up, you will be asked to describe your silt in general, to enable the right disposal site to be selected. There are four types of silt:

  • Clean silt – Silt from places like roads and streets, gardens that do not have a septic tank, and does not contain solid items like flood-damaged household furniture.
  • Mixed silt – Silt mixed with small amounts of litter such as waste from flood-damaged household goods (e.g. plastic, small toys and food waste), and food affected by the flood, e.g. apples and onions.
  • Contaminated silt – Silt that may have had septic tank, spilt paint, diesel, chemicals etc, mixed through.
  • Woody silt – Silt mixed with quantities of timber and other storm-related debris like fence posts, trees etc.

Hawke’s Bay Regional Council initially took random samples across the region to test the silt and understand the make-up of the silt. We found that outside of Awatoto, there no significantly contaminated silt. People should continue to take precaution and wear suitable PPE, but silt can safely be taken from around the region.

Silt samples from silt deposit sites are being taken several times a week. To date the results are showing very little in the way of chemical contamination, with heavy metals generally present at the natural ‘background’ concentrations for our region, and other contaminants such as pesticides, herbicides and hydrocarbons typically not being detected. Our site contamination specialists are continually reviewing the sampling and analysis regime and adapting it as necessary, based on the results coming in, observations on site, and the origin of the material being deposited.

Analysis for pathogens common in flood situations have been incorporated into the regime, with the first set of results expected in the coming days.

A number of silt collection sites have been established and are storing silt around Hawke’s Bay.

HDC and HBRC have been working under the emergency works provisions of the Resource Management Act 1991 to enable works to commence as soon as possible to allow for roading connections to be re-established and drainage areas maintained.

Before any new site is opened it is assessed looking at whether there any special features or characteristics such as: archaeological sites, wahi tapu areas, significant flora and fauna, waterbodies and wetlands, alongside proximity to neighbouring sites and community uses.  Given the urgency of clearing silt and other debris from roading corridors, the six established sites are currently being consented retrospectively.

A further eight sites are being investigated to determine whether they are feasible for use.

We’re working through our jobs list from the community, and are prioritising areas where silt is blocking property or drains. The jobs list we have at the moment in April 2023 is for around 700,000m3 of silt, which will take around six months to complete.

We estimate that this is 25% of the total amount of silt to be cleaned up. With the sheer volume of silt over a large area we expect the complete clean-up of all of the silt to take many months.

The taskforce is looking at a range of options for storing and using silt in the future, and working closely with other councils, industry, and landowners to develop solutions for the region.

We know lots of people in the community are interested and also concerned about what happens with this large volume of silt and how long it will take. Our team is committed to finding the best solutions we can for our rohe and will keep the community updated.

We are working hard to reduce double handling as we clear silt around Hawke’s Bay.

If you or contractors working for you have a large amount of silt and are able to move it directly to one of our disposal sites using dump trucks, please get in touch with us on 0800 108 838 and we will work with you.

You need to contact your insurance company regarding this work who can assess the need for silt removal and the best way to do this. Please see the ‘Removing silt from underneath your house' for more info.

If you’re dealing with silt, it’s important to work safely due to the risk of pathogens, such as bacteria or viruses, which are typical following a flood and will decrease over time as they are exposed to air and sunshine. Ensure you’re limiting the risk of infection by:

  • using good hygiene, such as wearing gloves, avoiding breathing in dust, and washing hands and exposed skin frequently
  • washing freshly soiled clothes regularly

Out of precaution we wouldn’t recommend adding fresh silt into vegetable gardens until spring to allow pathogen levels to decrease.

Lightly silted tanks can be extracted and disposed of at East Clive using a council approved contractor listed on this page.

If you have a larger accumulations of silt, it will require extraction using jetting or another method. Laterals and drainage pipes need to be checked and cleaned if they are blocked. Hastings District Council is currently working through disposal options for larger amounts of septic waste contaminated silt. Contact to organise a visit from HDC.

The Silt Recovery Taskforce has been working with Insurance Council NZ (ICNZ) and EQC to release an ‘authorised contractor listing’ for landowners to use when removing silt from their properties.

These contractors are authorised by the Taskforce to directly access deposit sites once silt is collected. They understand the delivery model the Taskforce has setup with ICNZ and EQC where the cost for collection and transport to the deposit site is undertaken by the Taskforce, but the work on property and underneath the property to clear and remove silt is at the cost of the landowner – with possible funding for some or all of this work through Insurance and/or EQC payouts.

The contractor listing will regularly reviewed, and added to – if you are a contractor wanting to be added to the list below, please email:

Further information on the ‘authorised contractor’ process can be found here.


Key Contact

Contact Details - Email

Contact Details

Sitewise Status

Service Offered

2020 Construction

Michael Ngahuka

021 216 5682


Excavators and Trucks

A Grade Earthworks

Nick Wiltshire



Excavators and Trucks

ACM Metal Supply

Stuart McKinnon

021 194 1881



Agnew Transport

Willie Agnew

027 442 9332


Excavators and Trucks

Akra Civil

Sarah Greening

027 229 8435


Excavators and Trucks

Angus McMillan Concrete

Kristina Salmons

06 873 4428


Excavators and Trucks

Backyard Diggers Hawkes Bay

Michael Newman

0210 235 4378


Excavators and Trucks

Bare Knuckle Contracting

Brendon Edmonds

027 356 8251


Excavators and Trucks

Berketts Earthmovers

Sam Staples

027 705 9593


Excavators and Trucks


Phil Pointon

021 296 9969


Excavators and Trucks

Build Flex Solutions

Cheyne Hakaraia

027 542 6966


Excavators and Trucks

Civil Alliance Ltd

Dave Pratt

022 088 1679


Excavators, Bulldozers, Road tip trucks, 6x6 ADT Dump trucks, Rollers, Transporter, Water trucks, Grader, Loaders, skid steer.


Deborah Burnside

06 844 1060

Not Required

Skip Bins Delivery/ Collection

Composting NZ

Glen Sacich

027 252 1538


Excavators and Trucks

Dawson Group Limited

Brendon Dawson

027 564 6414


Excavators and Trucks

Devine Plumbing


021 613304


Excavators and Trucks

Digger Services HB

Wiremu Tomoana

027 5103401


Large excavators/ Heavy tipper truck hauling. Road repairs/ Earthworks/ drainage


Matthew Donk

027 445 1740


Excavators and Trucks

East Coast Traffic Limited

Aaron Lawson

027 391 9429


Traffic Management

East Coast Earth Worx

Hugh Dowding

Pete 0276840800
Hugh 0273664470



Elite Finishes Contracting

Larry Jessup



Excavators and Trucks


Nick Agnew

027 583 7373


Excavators and Trucks

Gairs Contracting

Ed Goody

027 406 7089


Excavators and Trucks

HB Civils

Eon de Klerk

027 314 3641


Excavators and Trucks

HES Earthmoving

John Birkett

0274 500 466


Excavators and Trucks

Hick Bros Civil

James Bilkey

021 818861


Excavators and Trucks

MPT Concrete

Mike Teddy

027 547 8105


Excavators and Trucks

Ngaio Contracting

Nick Benge

027 441 4806


Excavators and Trucks

Phoenix Contracting

Mike Walmsley

021 242 6617


Excavators and Trucks

RBS Group

James Simpson

022 685 6295


Excavators and Trucks

Redline Earthworks

Josh Bartosh

0274 848 289


Excavators and Trucks

Russell Roads

Gavin O'Connor

06 879 4560


Excavators and Trucks

SolidCrete HB

Wipere Albert Dixon

0210 231 7575


Excavators, Tipper Trucks and Resources to clean up property

Te Aratika Infrastructure Ltd

Markus Rochel

09 420 4726 


Excavators and Trucks

Toa Civil Construction Ltd

Joshua Paku

027 346 0686


Excavators and Trucks


Dawson Tuki

027 638 1594


Excavators and Trucks


Carl Webber

027 206 2082


Excavators and Trucks

Whakamana Ltd (Paharakeke)

Andy Winitana

(021) 625 549


Excavators and Trucks

Wilco Contracting

Wilco Contracting

0800 945 261


Silt Removal Sub Floor

Whakamana Limited (Paharakeke)

Andy Winitana

021 625 549


Excavators, Trucks and Resources to clean up property – Labour Team

Wood waste has washed up on beaches, river sides, roadsides, public areas and private properties after the cyclone. We will remove debris from public places to chip it, starting with the immediate area around the Heretaunga Plains and then progressing further afield. We strongly recommend against burning this waste as it will be contaminated and burning the waste risks spreading any contamination.  

If you have wood waste on a lifestyle block, farm or orchard, the Regional Council will be able to help remove larger volumes.  Landowners are asked to move the wood waste to a location on their property with suitable access for trucks. The landowners can then contact us on 0800 108 838 or 06 835 9200 as we will coordinate with a contractor for its removal. 

Post Cyclone Gabrielle 2023 large woody debris assessment

The cyclone has caused many vineyard, and orchard posts and wire to be ripped out of the ground, and these are now scattered across properties, neighbouring land and roadsides. 

IMPORTANT! Tanilised posts and wire that make up this waste cannot be disposed of through burning; burning of this waste will release toxic chemicals into the wider environment.  

Where landowners have large quantities of posts and wires from fences, viticulture and horticulture operations, these can be collected by HBRC and held in a secure site for further work. HBRC will arrange collection and suitable remedial work to separate wire, for wire recycling and return of usable posts to farmers. Landowners can contact the regional council on 06 835 9200 or 0800 108 838 to coordinate the removal of posts & wire fences. 

The Council recommends that you discuss this option with your farm advisor or agronomist.  Click here to find a list of New Zealand Institute of Primary Industry Management approved consultants.

The Silt Recovery Taskforce assessment officer can help you work through what silt should be removed, or if it stays how this could be integrated. For  specialist advice please speak to a specialist advisor. Contact 0800 108 838 or email to get in touch with an assessment officer.

Some useful resources to help you with any discussions are linked below:


Revegetating Cropping Soils after a Flood

Beef + Lamb NZ

Recovering from a Flood

Dairy NZ

Flood damage response

Sustainable Faming Fund

Silt Recovery Lower North Island Storm Event 2004


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