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Newly constructed contour dam with mulched banks and rock spillway, part of larger watershed restation project desighed and installed by David Spicer

Farm Dam Design &
Water Harvesting Earthworks

At Doc Spice Permaculture, we help landholders assess, design and develop rural properties through Water Harvesting Farm Design and Earthworks.

​We plan it, then build it, so your land grows more and stays healthy.

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Online consultations worldwide. On-site earthworks by arrangement.

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25+ years experience

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6,800+ acres consulted

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3,500+ acres built

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ONLINE WORLDWIDE

ON-SITE BY ARRANGEMENT

About Doc Spice Permaculture:

"No land needs to be thirsty."

Every project is personally assessed, designed and shaped by David Spicer.
He brings practical earth-moving experience and an understanding of water harvesting farm design, focusing on water, access and long-term land function.

David Spicer presenting a freshly constructed farm dam site with an excavator and laser level for precise water storage design

What We Do:

Water Harvesting Farm Design & Earthworks

Spring-fed dam design for water harvesting and storage by Doc Spice Permaculture.

Water Harvesting & Storage

Dams, terraces, swales and gradient roads to capture, store, direct and slow water across the landscape.

Contoured access track design and terrace construction by Doc Spice Permaculture.

Access Design & Construction

Roads, tracks and crossings that improve access, connectivity and land usability.

Homestead pond and wetland ecosystem design by Doc Spice Permaculture.

Farm Dams, Ponds & Wetlands

Construction of dams, ponds, swales and drainage systems built to last and function with the land.

Contour earthworks and swale construction by Doc Spice Permaculture.

Contour Earthworks & Mainframe Design

Precision earthworks that shape the land, control erosion and support water infiltration.

Land restoration project featuring swales, tree plantings, and multi-species cover crops by Doc Spice Permaculture

Land Restoration & Regeneration

Restoring degraded land through earthworks, soil recovery and landscape regeneration.

How a Farm Design and Earthworks Project Works:

01 Consult & Understand

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We listen, observe and understand your land, goals and challenges.

We create integrated water and access solutions that fit the landscape.

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02 Water Harvesting Farm Design

03 Earthworks

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Using the right machines and techniques to shape the land with care.

04 Infrastructure Planning

We design integrated farm watering systems & fencing.

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05 Restoration & Recovery

Recovery of soil, vegetation and ecosystem processes.

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Earthworks That Last:

Built for function.
Designed for generations.

David's earthworks are more than construction — they are the foundation of a resilient landscape.

Every contour, every bank and every channel has a purpose.

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What Our Clients Say:

Large contour swales designed to capture runoff from steep ridges on a regenerative property by Doc Spice Permaculture

Tim Davis

“Dave always worked to deeply understand my end goals while applying his specialized expertise to the landscape.”

Jingellic, NSW

Ecological restoration at a Moroccan eco-retreat featuring water harvesting earthworks designed and directed by Doc Spice Permaculture

Laurent Levy

“Thank you so much for your kindness, generosity, professionalism and expertise.”

Oulad Chmicha, Morocco

Contour swale construction with ripped floor to maximize rainwater infiltration and prevent soil erosion by Doc Spice Permaculture

Monica Sutherland

"Dave changed our farm and our lives, first observing then implementing simple changes for profound results."

Ascot Hills, VIC

Ways to Learn From David

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On site:
Hands-on, out on the land with David and the machine.

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Self-paced learning:
eBooks and a recorded online course, in your own time.

Coming Soon
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Online Farm Dam and Water Harvesting  Consultations, Worldwide

Get practical guidance for your land today, wherever you are in the world.

Online consultations let you work with David on your farm dam, water harvesting and earthworks plans from home.

Ready to transform your land?

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Designing beyond sustainability — creating regenerative landscapes for people, farms and communities.

79A Russell Street, Tumut, NSW, Australia

ABN: 72 379 335 269

Stay connected for project updates, educational content and behind-the-scenes insights from the field.

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© 2026 Doc Spice Permaculture

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