Reid & Harrison 1980 Ltd



Every farm is unique. Reliable effluent systems that work every day in the real world need experience, expertise and an integrated design approach.

We are one of only a few companies accredited to Design Dairy Effluent Systems that, if requested, will meet industry standards and codes of practice.

The Yardmaster Effluent Systems Design Process:
There are many elements that make up an effective effluent system including Distribution infrastructure, Irrigation equipment, Solids separation, Storage, Flood wash systems for feed and stand-off pads, Bunkers and wash systems for herd homes and Management plans and training to ensure successful system operation.

To determine the best configuration of these, that will best suit your needs, requires:

A. Unique Farm Layout Review.
This includes a review of distances from your cowshed to storage ponds, proximity to any waterways to pond storage, required head of irrigators from effluent storage.


B. Irrigation Method Preference
By working backwards from your preference for Irrigation method can influence what systems best suits you. i.e. certain irrigators can handle more solids than others, which will determine what level of separation is required. Other factors to consider when choosing an irrigation method include soil type and Irrigation area, this may influence what depth the effluent can be spread and therefore will lend the system design to certain types of irrigators over others.

In Summary, there are many other factors that make up an effective effluent system. Yardmaster has the qualifications, products and team to customise your system to meet your current and future needs.

Often a good starting point when considering an effluent system is to see examples of systems other farmers have chosen to see what options there are and what the latest system developments/trends are. Yardmaster have a large number of case studies of proven effective effluent systems.

To future proof your effluent system an FDESDA designed effluent system is the recommended approach for complete peace of mind.

Farm Dairy Effluent System Design Accreditation Programme 
The Farm Dairy Effluent System Design Accreditation programme provides a new way forward for Effluent System Design in NZ. The programme goal is to ensure all NZ dairy farmers have effluent systems that can achieve dairy industry and wider communities expectations for the land application of dairy effluent:

  • To keep all untreated effluent out of surface and groundwater.
  • To keep land applied effluent nutrients in the root zone to capture their nutrient and economic value.
  • To ensure all systems are compliant 365 days a year. Quoted from Irrigation New Zealand.
  • FDESDA Systems designed and installed by Reid & Harrison Services will meet:
    • Farm Dairy Effluent (FDE) Design Code of Practice
    • Farm Dairy Effluent (FDE) Design Standards

You are invited to read the Farmer’s Guide for Farm Dairy Effluent (FDE) Systems. This gives good advice for planning the right system for your farm.



The Effluent W.O.F programme is insightful and practical, covering the entire effluent system.

Our W.O.F Assessor is fully certified as a Warrant of Fitness Assessor by Dairy NZ. 

A 3-4 hour assessment covers the farm’s effluent consents and permitted rules, the storage capacity, nutrient loadings, soil risk, irrigator performance, off-pasture infrastructure and general health and safety requirements.

Assessors point out areas of risk and suggest practical actions a farmer can take to ensure their system is capable of being compliant 365 days a year.




Case Study: RMK02
Yardmaster Systems:

Are practical effluent systems that work. Guaranteed.

Are compliant and future proofed which gives you peace of mind.

Yardmaster provides local support via our nationwide Certified Dealer Network which in-turn is supported from the product experts at our Matamata factory.

Range from simple through to state-of-the-art technology.

Utilise the skills of staff with years of experience, combined with expertise.  

Provide a total solution that works for you.