0 Are you at the mercy of the water company bottom line profit?

water irrigation systemSo many clubs are dependant on buying water from the local water company. The cost of water is rising all the time and there is always the fear that when you need the irrigation system most - in a drought - you will be restricted or even cut off.

Just imagine how comforting it would be to have an independent water supply, as do West Sussex Golf Club.

It is possible, in most cases, for your course to become independent of the water company. You are entitled to draw 20m3 (4400 gallons) of water per day from any natural source on your course, providing this abstraction rate does not substantially reduce the flow rate of a stream that flows off to other folks land and it does not have a negative effect on the ecology.

The available water sources are:

  • Stream or river
  • Harvested water from run off (not subject to any restriction)
  • Borehole

water Nottingham GC drillingThe major point to remember is that the 20m3/day is available 365 days per year, that is 7300m3 (approx 1.6 million gallons). The key to taking advantage of this resource is storage. The minimum size of this storage should be equivalent to the number of non-irrigating days x 20m3. For example, let us assume a dry summer, then irrigation days are likely to be 130. So the storage capacity should be: 365 - (130 x20) = 4700m3 (5000).

The most cost effective storage is an open topped earth bank reservoir. Now, if the land area is available, it would be wise to build something about 8000m3 as this will always leave extra storage that will make it easier to control water quality and gain extra water from harvesting run off.

Such a structure is built without the import or export from the site of any earth, thus disruption to the neighbours is minimal. Planning consent is usually reasonably straight forward as the Environment Agency is generally in support of this type of environmentally friendly work.

There are many factors involved with the land contours, soil types, water table etc., but a flat area 60m x 80m could accommodate
8000m3 storage.

Water West Sussex GCBeware of the trap to just add extra water tanks. All that will do is cost a great deal of money and delay running out of water by a couple of days.

So, start with a review of water needs, then the available resources. A simple geological investigation and maybe a dowsing survey
will reveal the borehole potential. Run off areas for water harvesting, roofs, car parks and steeply sloping practice grounds can be easily assessed.

There are obviously many factors to consider, so the best line of action is to seek independent advise from a consulting engineer specialising in this area of engineering. GCA has a wide range of experts and for this work Bill Hawthorn MIAgrE ASIC GCA Chief Engineer of 2iC Consultants Ltd is the retained person.

Article written by Bill Hawthorn and originally featured on Golf Business News

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