₦airaland Forum

Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

This report is simple. It means you should locate the nearest stream or river if you really need water

99thEnemy:
Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

Let them buy everything, if anything goes wrong tomorrow, they ll accuse you of buying inferior materials...please spend this money

The quality of the submersible pump is also key

Any point you are selecting, make sure that it is far away from your soakaway to avoid story that touch

160m

Thats deep oo

Which area

I need to learn something here. Please borehole expert's, we really need you here. Good morning folks

So you want a professional to give you free consultation over another professional's work? You no see us for here to contract us for the survey?

You don’t need all that. Just ask them what’s the total cost and how many pipes are they sinking to the ground …. Be there to count the pipes yourself .

You fail to tell us the type of soil in your area is it Sandy soil or laterite?

160m
That's deep..
What area is that??

Why not get quotes from other drilling services compare and make you choice

unless they will be transparent enough to tell you the truth about the type and quality of casement pipes and risers to buy ,if not let them buy everything and do the work.

Pls buy the sumo pump by yourself or you tell them to buy lorentz or astral (1.5hp). They are more durable but more expensive.

99thEnemy:
Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

which area of Nigeria you dey were u wan drill borehole.
1. Choosing 2 or 6 is very okay as far se aquifer is punctured through
2. Do not drill less than 160m but above recommended add extra 10m
3. What's the terrain of your area.
Please state the state and local government so I can advice you more

Oga leave report for who write am, na 100m dem go dig for you ajeh, 60m is for miscellaneous or if anything goes wrong ........ pay the money to them asap

Omo. I miss when the country was somewhat easier. My parents drilled their borehole for 120k in total. Can't even expect to see that today

Purple is where the most water deposit situates, follow by blue while red ,brow orange and yellow depths are the least water concentrated areas ,i.e NO go areas.
I can see clearly from the result map points where purple and blue= promising and highly sufficient acquifer lies between 0 and 40 metres.
Good luck.

Simply get another quotation and compare.
But make sure you don't compromise quality

99thEnemy:
Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

99thEnemy:
Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

Are you living in the eastern part of Nigeria or on a hill? 160 m is way too deep to find water

Anyway don't dig that borehole yourself or use substandard materials to do it in the name of saving costs. Follow expert advice

You see where you first strike water during drilling... Which is the closer to the surface you are talking about... That is not where driling will stop

You are looking for drinking water that has passed through layers and layers of sedimentary rock to be clean enough for drinking

Where you first strike water let us call it point A... The water will never be clean

You must go at least 20 to 30 m deeper. But given your location I would say at least 50 meters

You people will call on professionals because you know it's their job, then start second-guessing them because you feel no one can scam you.

If you knew all these, why call them in the first place?

I'll never understand why Nigerians do this. Eventually everything will backfire and you'll start blaming them for this and that.

In Ogun state where I live, it doesn't actually matters....no matter where dem choose for bolehole, when you reach the deep, water will come...in fact over here , they determine the best water from a bolehole digging by the color of sand of the deepness.

Although, it depends on the location, area....but you should ask around the area. Bolehole here cost #250k to #300k...And the water is so good compared to Lagos and other states

You did not mention the state, local government area

[quote author=Bobwitwicky post=138699274]160m
That's deep..
What area is that??[/

Important questions you must ask the driller
Before drilling ask:
What diameter borehole will you drill?
How many meters of screen pipe will be installed?
Will you use gravel pack?
What slot size screen pipe?
Will you perform borehole development?
Will you do pumping test?
What pump size is recommended?
Is the price inclusive of flushing and development?
If they cannot answer these, look for another driller.
My honest recommendation
For a 160 m Lagos borehole:
✔ Drill 150–160 m
✔ Use 6 inch 10 bar casing
✔ Install 6–12 m screen pipe
✔ Use gravel pack
Expected total cost:
₦2.7M – ₦4M
depending on materials.

99thEnemy:
Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

Onyemaboy:
unless they will be transparent enough to tell you the truth about the type and quality of casement pipes and risers to buy ,if not let them buy everything and do the work.

Pls buy the sumo pump by yourself or you tell them to buy lorentz or astral (1.5hp). They are more durable but more expensive.

for as supposed 160m as claimed. 1.5hp not good at all.

Blue/purple areas = good water zones
Red/orange areas = avoid drilling
Expected water depth around 70–150 meters

99thEnemy:
Good day everyone.

I need advice from people here who have real experience with borehole drilling.

I carried out a geophysical survey on my plot this month, March 2026 , to determine the best location for a borehole. The survey suggested two possible spots: Point 2 and Point 6, and the recommended drilling depth for both spots is 160 meters.

However, from my layman understanding of the report, it seems like water may be available at a shallower depth than 160m. I may be wrong, which is why I am posting here for expert interpretation.

Attached is the survey image so that those who understand these readings can help explain whether 160m is truly necessary or whether water can reasonably be gotten at a lower depth, especially at Point 2 or Point 6.

I was given the following drilling quotations:

₦17,000 per meter using 8 bar PVC casing
₦18,000 per meter using 8 bar PVC casing

I was told that the difference between the ₦17,000 and ₦18,000 rates is the casing thickness, although the exact diameter and wall thickness were still not stated clearly.

I was also given another quote of:

₦24,000 per meter using 10 bar PVC casing

But again, the diameter and wall thickness were not stated.

I also asked how much it would cost if they do only the drilling/punching, while I buy and supply the casing myself. I was told that drilling/punching only would cost ₦14,000 per meter for the 160m depth.

I want to ask the experts here:

1. Looking at the survey image, does it truly mean I need to drill to 160m at Point 2 or Point 6, or is it possible to get good water at a lower depth?

2. Am I misreading the report where it seems water can be found earlier?

3. Does a recommendation of 160m usually mean that is where the best aquifer is, where the cleanest water is, or that shallower water may not be reliable?

4. Between 8 bar and 10 bar PVC casing, which one is more suitable for a 160m borehole?

5. Since I was told the difference between the ₦17,000 and ₦18,000 per meter quotes is thickness, what exact thickness should I be asking for?

6. What exact PVC casing specification should I be asking for:
diameter, wall thickness, pressure rating, screen/slotted pipe spec, and brand/manufacturer?

7. Is it a red flag for a driller to mention only 8 bar or 10 bar, and say one is thicker, without stating the exact diameter and wall thickness?

8. If I decide to buy the casing myself, what exact specification should I request so I do not buy the wrong one?

9. Apart from casing, what other materials would I need to provide if I go with drilling only/punching only?

10. Is ₦14,000 per meter for punching only not unreasonable?

11. Is it better to let the driller supply everything, or is it safer to buy the casing/materials myself?

12. Between Point 2 and Point 6, which location looks more suitable based on the survey?

13. What other questions should I ask before agreeing to drill?

I do not want to make a costly mistake, so I would really appreciate advice from people who understand borehole drilling and casing specifications well.

Thank you.

please I need help

techbro1:
Omo. I miss when the country was somewhat easier. My parents drilled their borehole for 120k in total. Can't even expect to see that today

I did one about three years ago for 180k. A friend did around 70k many years ago. All in Warri delta state. The water was just under the surface. Even trying to dig holes to install a clothes line hanger brought up water.
I dread the bill i will get when i will do for my house in the village in the east.

Bros, pay for consultation na.

I guess this this is a basement terrain? The actual depth should be 170m to180m. The geophyscist wants to save you some money. Hence the recommended 160m.

The aquifer at about (~100m) is called perched aquifer. It is also good if you don't expect heavy water use. You should be fine with normal domestic use but the water may sometimes not be enough if it is to be made available to other tenants and neighbours? The yield, may reduce rapidly, if used constanly and may reduce drastically during the dry season?

The water at 180m is the main aquifer and never get to dry and the yield remains constant irrespective of use. If you don't want issues due to water yield and quality in future, ensure the water depth reaches about 180m. This would ensure excellent water quality, high yield consistencies and borehole stability for now and in future.

I would recommend drilling up to at least 170m for excellent water yield, quality and your peace of mind which is more important.

GorillaApp:
I did one about three years ago for 180k. A friend did around 70k many years ago.
I dread the bill i will get when i will do for my house in the village in the east.

I hear it's much harder in the east. Back in 2011 in Nsukka it costed around 2m to drill for a power plant that was built around the university

I have a similar issue with u. I was given same depth of 160m on the borehole I wanted to do on my farm. So I looked at the village and I found out most of the water source there are well. I was foolish not to consider some factors like land terrain, distance of existing well to my own farm, challenges they faced while digging their well. I never asked those questions and I proceeded to digging a well. Well, I was a little lucky but it was when I started I found out there were lots of abandoned wells in the area due to the fact that they couldn't easily get water or they met rock at the bottom. Eventually I spent more than half of what I should have spent on borehole yet I couldn't get enough water as I eventually hit rock a d breaking it was a Herculean task as the options presented were not feasible for safe.

So I'd advise.... Go with the flow, when they want to dig ensure u are there with them.... So u and the contractor should keep measuring the depth they've gone together. So like you thought it might not be up to the 160m. So since it's charged per meter, you'll eventually pay the depth dug.... However have the maximum amount for the 160m. But eventually you might get good amount water before then. But prepare for 160m.

BrosG007:
In Ogun state where I live, it doesn't actually matters....no matter where dem choose for bolehole, when you reach the deep, water will come...in fact over here , they determine the best water from a bolehole digging by the color of sand of the deepness.

Although, it depends on the location, area....but you should ask around the area. Bolehole here cost #250k to #300k...And the water is so good compared to Lagos and other states

I disagree with the last part of ur statement sir. There are certain areas in Ogun state that ₦250k won't do borehole. My farm is in Ogun state and the bill to bore it amounts to a little over ₦3m. Mind you I'm a civil engineer I know they are not trying to scam me. Check my earlier comment and you'll understand my assertion better

techbro1:
I hear it's much harder in the east. Back in 2011 in Nsukka it costed around 2m to drill for a power plant that was built around the university

Yea it is. Same thing in edo state too. Doing bore hole in these areas are massive projects. When i am ready, my God will enable me.

@99thEnemy

This is a response from ChatGPT:
This image is a 2-D geophysical contour map, most likely from an electrical resistivity survey used to identify groundwater zones before drilling a borehole.

Color meaning (right scale 39 → 200):

Purple / Dark Blue (39–73) → Very low resistivity. Usually clay or saturated conductive material. Poor borehole target.

Blue / Cyan (73–107) → Possible water-bearing formation but may still contain clay. Moderate potential.

Green (107–124) → Transitional zone.

Yellow / Orange / Red (141–200) → High resistivity. Usually dry rock, laterite, or compact basement. Poor groundwater potential.

Depth scale (left side):

Top: about –10 m

Bottom: about –200 m

Horizontal scale (bottom):

Survey stations 1 to 8 along the profile.
---

Key Interpretation

1. Best groundwater prospect

Between stations 5 and 6

Depth approximately 120 m – 160 m

Dominant blue zone (~73–90 resistivity) suggesting a fractured water-bearing formation.



2. Secondary possible aquifer

Around station 4

Depth 140 m – 170 m

Moderate resistivity indicating a possible weathered/fractured basement aquifer.

3. Avoid drilling

Stations 2–3 between 60 m and 140 m depth (red/orange). These indicate dry compact rock.

Shallow blue/purple zones (<80 m) likely represent clay layers, not productive aquifers.

---

Professional Drilling Recommendation

Preferred drilling point: Station 5.5 (between point 5 and 6)

Expected aquifer depth: 130 m – 160 m

Recommended drilling depth: 170 m – 180 m to fully penetrate the aquifer and allow casing.
---
Expected Borehole Yield

If the interpretation is correct and fractures are present:

Moderate to good yield typical of basement complex aquifers common in West Africa.
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Important Technical Note

This map is only a 2D section along one line. Final borehole success still depends on:

fracture connectivity

lithology

drilling accuracy

proper casing and screen installation