Rainwater harvesting tank size

JCfarmer

Member
Mixed Farmer
Location
warks
I've got 2 rainwater harvesting tanks with filters, one at each farm. 12500 l, the other 30000 l for spraying mainly. A 5000l also with a ball cock fed off a bore hole.
12500 l one I got a severn trent grant for. Should have got a bigger tank mind.
Price of a tank is was just under 10p per litre
 
Last edited:

Chae1

Member
Location
Aberdeenshire
I've got 2 rainwater harvesting tanks with filters, one at each farm. 12500 l, the other 30000 l for spraying mainly. A 5000l also with a ball cock fed off a bore hole.
12500 l one I got a severn trent grant for. Should have got a bigger tank mind.
Price of a tank is was just under £1 per litre
Will need to check but sure my 20k litre tank was no where near £20,000! :banghead: :ROFLMAO:

Will sell you a ibc for £800.
 

JCfarmer

Member
Mixed Farmer
Location
warks
Dad put a borehole in 25 years ago, we were milking 220 cows back then and using a lot of water. Have sucklers now.
Cost about £8000 at the time but soon paid for itself.
Only cost for water now is the electricity to pump it up which works out at 10% of the cost of mains water.
 

Whitepeak

Member
Livestock Farmer
I looked into this a few years ago on the Severn Trent grant, didn't go for it in the end as we were spending on another project at the time.
We were quoted by JRH Water Management, think they said for our 90'x90' shed we needed 2x 20000lt tanks! Sounded excessive tbh, and the recommendations for the concrete slab under the tank was serious £££ 😳
 

JCfarmer

Member
Mixed Farmer
Location
warks
I looked into this a few years ago on the Severn Trent grant, didn't go for it in the end as we were spending on another project at the time.
We were quoted by JRH Water Management, think they said for our 90'x90' shed we needed 2x 20000lt tanks! Sounded excessive tbh, and the recommendations for the concrete slab under the tank was serious £££ 😳
The grant I got from severn trent covered the cost of tank, drain pipes and filter. Paid for about half the concrete, only a 4m x 4m pad costing bugger all really.
 

Bury the Trash

Member
Mixed Farmer
I looked into this a few years ago on the Severn Trent grant, didn't go for it in the end as we were spending on another project at the time.
We were quoted by JRH Water Management, think they said for our 90'x90' shed we needed 2x 20000lt tanks! Sounded excessive tbh, and the recommendations for the concrete slab under the tank was serious £££ 😳
Possibly because a full tank at 20 ton weight on a relativly small area ,maybe 2.5 or 3m, it will need Something fairly solid underneath.
 

Farmer Roy

Member
Arable Farmer
Location
NSW, Newstralya
Bigger the better, them steel ring ones they use in Australia.

360,000 litres big enough ?
or plastic https://www.rapidplas.com.au/rainwa...BZBbwhpqmx66u9l-Gr5pwaqL0Un63j2hoCa20QAvD_BwE
Possibly because a full tank at 20 ton weight on a relativly small area ,maybe 2.5 or 3m, it will need Something fairly solid underneath.

all of my 20.000l ( which are NOT big tanks ) plastic tanks are just sitting on a crusher dust or sand pad, on level ground. Very rarely see any on concrete slabs

Tank Installation Guide
If a Rapid Plas Tank is correctly installed and regularly maintained, it will give you trouble free service for years to come. Here is how to install your Rapid Plas Rainwater Tank:
  1. The tank site must be flat and level, the area well compacted and free from any rocks, stones and sharp objects
  2. Ensure that the prepared site is at least 600mm larger in diameter than the tank
  3. A 75mm (3”) base of compacted crusher dust may be used as a tank pad. A reinforced concrete slab is also acceptable and must be greater than the diameter of the tank
  4. If a material other than concrete is used, a retaining wall or surround must be provided to prevent erosion
  5. The overflow must be piped well clear of the tank to avoid undermining of the tank base.
  6. Ensure that a flexible hose of at least 300mm (12”) is installed after the outlet valve to absorb any shocks or movement
 
Last edited:

Fendt516profi

Member
Livestock Farmer
Location
Yorkshire
360,000 litres big enough ?
or plastic https://www.rapidplas.com.au/rainwa...BZBbwhpqmx66u9l-Gr5pwaqL0Un63j2hoCa20QAvD_BwE


all of my 20.000l ( which are NOT big tanks ) plastic tanks are just sitting on a crusher dust or sand pad, on level ground. Very rarely see any on concrete slabs

Tank Installation Guide
If a Rapid Plas Tank is correctly installed and regularly maintained, it will give you trouble free service for years to come. Here is how to install your Rapid Plas Rainwater Tank:
  1. The tank site must be flat and level, the area well compacted and free from any rocks, stones and sharp objects
  2. Ensure that the prepared site is at least 600mm larger in diameter than the tank
  3. A 75mm (3”) base of compacted crusher dust may be used as a tank pad. A reinforced concrete slab is also acceptable and must be greater than the diameter of the tank
  4. If a material other than concrete is used, a retaining wall or surround must be provided to prevent erosion
  5. The overflow must be piped well clear of the tank to avoid undermining of the tank base.
  6. Ensure that a flexible hose of at least 300mm (12”) is installed after the outlet valve to absorb any shocks or movement
No. Needs to be at least 365,000
 

Fendt516profi

Member
Livestock Farmer
Location
Yorkshire
1-Gary-Mitchell-Above-Ground-Slurry-Store-Moore-Concrete.jpg
1,000.000 gallon
 

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