Mystery manholes

[Bendo]

That's an interesting map. On "water wells" it shows a green triangle at the end of my road, where there used to be an old agricultural tractor shed (since burned down and houses put up)

I can't see how to get any more detail about it though.

Change the "Current query layer:" drop down to water wells, then click on the

button and then click the trianle, you should get a pop up with the details

e.g.

REFERENCE REGNO LOCATION EASTING NORTHING DEPTH YEAR DATUM AQUIFER DIGITISED GEOLOGICAL CONSTRUCT HYDROGEOL CHEMICAL
1 SJ38/17A SJ38NE10/A/BJ HIGSONS BREWERY NO. 1 WELL 335020 388980 0 15.24 UNKNOWN Yes No Yes Yes Yes[/img]

 

[JohnD]

thanks

it says

LOCATION
WATERCRESS BEDS

DEPTH
18.3

YEAR
1938

DATUM
5.49

but this must be out of date, the farm buildings were disused over 10 years ago and houses built on the site (after the old farmer died, I was going out one evening when I saw the tractor shed was alight (arsonists) so I called the FB).

I presume Datum means "height above mean sea level" or similar, which is about right

It has EASTING NORTHING so I presume I could find it on a large scale map in case there is a visible cap in the pavement or anything.

 

[Agile]

I presume Datum means "height above mean sea level" or similar, which is about right

Its now refered to an Ordnance Datum which is related to sea level at Newlyn in Cornwall.

Tony

 

[Agile]

The obvious next action for the OP is to buy a submersible pump with a head rating of at least 50m and use to provide your non drinking water supplies!

Its interesting the second item. Why would anyone want to bore a second well so close ???

I would guess that it was to provide agricultural irrigation water.

I think you are allowed to extract a small amount of water before a Licence becomes necessary.

Tony

 

[warwickwater]

OP here - looked on the NGS map (thanks for the link) and its a borehole from a nearby construction project c 20 years ago. No idea wha the other manhole/ valve assembly is though. Underground tank is the best anyone locally can come up with, but no remaining sign of any pipework!

 

[theoutlaw]

This may help

http://194.66.252.141/website/gdi/viewer.htm?Title=GeoIndex

Use the toolbar to zoom in. Once you've zoomed in enough you'll be able to select 'Borehole records' from the drop-down menu on the right hand side. Click 'redraw map' and the borehole locations should appear.

You can select borehole information using the 'i' button or Area select on the Query section of the toolbar

A great site this,
I havent found our borehole/well though. In quite a few gardens in this area there are boreholes with water some 15m down. Most are too small to get down but ours is approx 3m across with water extraction pipes coming out of it. The top looked like a normal inspection chamber when we found it under a slab of concrette, however it is a bell topped well. The pipes are live, as we undid a flange on one and tested the water coming from it. Clean enough to drink but not known of by Anglian Water or the local and County Council.

Strange???

Tony

 

[Norcon]

Agile wrote

Why would anyone want to bore a second well so close ???

No water or not enough in the first hole ??.
Some drilling companies offer a much more precise and accurate geological survey before drilling. Perhaps adding up to 5k to the cost but a good water supply will be pretty much guranteed.
I know of one farmer who had a bore hole drilled and the supply was unable to cater for his operation.
A second company carried out detailed surveys. Precisely drilled down between a geological fracture and obtained copious supplies.

 

[Onetap]

The obvious next action for the OP is to buy a submersible pump with a head rating of at least 50m and use to provide your non drinking water supplies!

He's still got a dead borehole pump down the bore hole.
A drain jetter or mains water connected to the pipe might free up the sediment enough to pull the pump up.

Maybe they drilled the 2nd borehole when someone pulled the cable off the pump in the first borehole.