Verified license

Mann Drilling

Bonne Terre, MO · St. Francois CountyWell drilling and pump installation

Call (573) 530-5914
Email
License status
Active
checked September 30, 2026
License number
001243
Missouri record
Services
6
Geothermal and more
Counties served
8
on the state record

About Mann Drilling

Mann Drilling is a well drilling and pump installation contractor based in Bonne Terre, MO (St. Francois County). The Missouri licensing program lists license 001243 as active, and we last checked the record on September 30, 2026.

The state record covers geothermal, pump installation, pump repair, well abandonment, well drilling and well repair. It lists 8 counties where the business works, including St. Francois County, Washington County and Ste. Genevieve County.

This profile is built from public state license records checked on September 30, 2026. Well Water Insider does not rate or endorse contractors. Own this business? Claim the profile to add photos, hours and a description.

License record

Verified against state records
License number
001243
License type
Well drilling and pump installation
Status
Active
Last verified
September 30, 2026

Check this license yourself on the official Missouri lookup.

What the state record says

Missouri permitted well installation and pump installation contractor (Missouri Geological Survey permit 001243, held by George C Mann: water well, pump installation, heat pump well; active on the WIMS permit search). Missouri permits the individual under the Water Well Drillers' Act (RSMo 256.600 to 256.640) and the 10 CSR 23 well construction rules; a water well permit covers constructing, reconstructing and plugging water wells, and a pump installer permit covers installing and repairing pumps. A restricted permit limits the holder to specified work. Primary responsible party on the business record: George Mann. Filed 313 water well certification reports with the Missouri Geological Survey since 2016 (295 of them domestic wells), most recently in August 2026, mostly in St. Francois, Washington and Ste. Genevieve counties; the median depth of those wells is 300 feet.

Services

What the Missouri record says Mann Drilling is licensed or registered to do.

Geothermal

Drilling closed-loop boreholes for ground-source heat pumps.

Pump Installation

Setting a new submersible or jet pump with the pressure tank, switch and controls.

Pump Repair

Tracking down low pressure, short cycling or no water, then repairing or replacing parts of the pump system.

Well Abandonment

Sealing an unused well to state standards so it cannot carry surface water down into the aquifer.

Well Drilling

Drilling a new private well, setting the casing and grouting it the way state rules require.

Well Repair

Fixing casings, caps, pitless adapters and other parts of an existing well.

Service area

Based in St. Francois County, Missouri. The state record lists 8 counties.

Approximate location (St. Francois County)Counties on the state record

  • St. Francois County
  • Washington County
  • Ste. Genevieve County
  • Jefferson County
  • Madison County
  • Iron County
  • Wayne County
  • Reynolds County

Well water in St. Francois County

Useful context before you call a contractor here.

24%of households in St. Francois County drink from a private well (est.)
210 to 400 feet; the median of 2,288 domestic wells certified to the Missouri Geological Survey since 2000 is 300 feettypical private well depth
Not statewidewater test when a home with a well is sold: no statewide rule in Missouri
Open the St. Francois County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Mann Drilling; ask for a written estimate.

Submersible pump replacement$1,000 to $2,500installed; deep wells cost more
Pressure tank replacement$800 to $1,500installed
New well, complete$6,000 to $16,000typical 200 ft well with pump; drilling alone about $20 to $30 per foot; deeper wells cost more
Shock chlorination$80 to $200by a contractor; under $30 to do yourself

National 2026 ranges. Sources, checked September 2026: HomeGuide cost guides, Angi.

Before you hire

  1. 1

    Confirm the license

    Look up license 001243 on the Missouri state lookup and make sure it is active for the work you need. Open the Missouri lookup.

  2. 2

    Get a written estimate

    Ask for the scope, parts, depth or pump size, permit fees and warranty in writing. Compare two or three quotes for big jobs.

  3. 3

    Ask about permits and the well log

    New wells and many repairs are reported to the state. Ask who files the paperwork and for a copy of the well log.

  4. 4

    Test the water after the work

    Any work on a well can disturb bacteria. Test for coliform bacteria once the job is done.

Questions about Mann Drilling

Is Mann Drilling licensed?

Yes. The Missouri record shows license 001243 (well drilling and pump installation) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.

What services does Mann Drilling offer?

The state record lists geothermal, pump installation, pump repair, well abandonment, well drilling and well repair. Call to confirm they take on your type of job.

What areas does Mann Drilling serve?

The business is based in St. Francois County (Bonne Terre, MO). The state record lists 8 counties, including St. Francois County, Washington County, Ste. Genevieve County, Jefferson County and Madison County.

How do I contact Mann Drilling?

Call (573) 530-5914 and email them. The address on the state record is P. O. BOX 398, Bonne Terre, MO 63628.

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