Stormwater drainage contractor in Dubbo

Bunyan Earthmoving delivers stormwater drainage and channel construction for agricultural, civil, and infrastructure projects across regional New South Wales. We complete drainage earthworks with accurate grading and practical water management solutions designed to support efficient flow, erosion control, and long-term site performance.

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Channel and drainage construction services

Getting the grade right makes all the difference. We deliver precise drainage earthworks that keep water moving as it should, reducing pooling, erosion, and costly rework.

Advantages of our drainage approach

Effective drainage depends on accurate grading, practical planning, and experienced earthmoving execution. Bunyan Earthmoving combines specialised equipment with proven field knowledge to deliver drainage solutions designed for efficient water flow and long-term site performance.


  • Achieve precise channel grades with GPS-guided earthworks
  • Draw on proven experience across irrigation and stormwater projects
  • Handle high-volume drainage work with a capable scraper fleet
  • Benefit from clear communication and regular site coordination
  • Receive on-spec results delivered with a strong focus on safety and quality

Let’s map out a rock-solid approach to your project

Talk to our team about your drainage or channel construction requirements and we’ll design a practical approach with a quote to get things moving.

(02) 6408 9001

Other services we offer

We can also build the backbone of your project site. Aside from drainage construction, we provide scraper hire as well as dam and road building for a complete earthmoving command.

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Contact form

Contact us about drainage works

Complete the enquiry form to get a quote from our experienced stormwater drainage contractors. We are open to supporting long-term projects and partnerships. For more queries, get in touch with our team.

(02) 6408 9001

Where we deliver drainage solutions

Bunyan Earthmoving deploys to irrigation and civil drainage projects, assembling the right personnel and machinery to maintain consistent quality of service across regional New South Wales and nearby areas.

Delivering projects across areas including:

  • Bathurst
  • Bourke
  • Cobar
  • Gilgandra
  • Goondiwindi
  • Gunnedah
  • Macintyre River
  • Moree
  • Narrabri
  • Narromine
  • Nyngan
  • Orange
  • Parkes
  • Wellington