Onsite Wastewater Design Specialists

RISEN helps property owners across Marlborough with septic systems, wastewater design and consent renewals. Building, replacing an old system or unsure what needs doing? We’ll look at your site, explain the options and help you take the next step.

​

Our Services:

​

Resource Consent Renewal (Discharge Permit)

We check your existing system, look at how it’s working and prepare the engineering information for your discharge consent renewal. If something needs attention, we’ll explain the options and what the work involves.

​​

Design a New System or Replace an Existing One

Planning a new build or replacing an older septic system? We design for your soil, slope, available land and how the property will be used. Options include septic tanks with trenches or beds, and secondary treatment with drip irrigation.

​

Peer Review

Need an independent view? We review wastewater designs, consent information and system performance, then provide clear technical advice for property owners, designers and councils.

​

Installation & Project Management

RISEN can help with the whole job, from site assessment and design to contractor pricing and installation coordination. We work with local drainlayers and contractors and help you through the Council approval process.

​

Why Choose RISEN?

• Local knowledge of Marlborough and the Marlborough Sounds.

• Clear advice from the engineer doing your work.

• Practical designs shaped by the site, consent requirements and how the property will be used.