Flynn Drilling / dba Mudds Drilling is a well drilling contractor based in Troy, MO (Lincoln County). The Missouri licensing program lists license 002994 as active, and we last checked the record on September 30, 2026.
The state record covers geothermal, well abandonment, well drilling and well repair. It lists 8 counties where the business works, including Lincoln County, St. Charles County and Warren 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.
Check this license yourself on the official Missouri lookup.
Missouri permitted well installation contractor (Missouri Geological Survey permit 002994, held by David S Guzy: water well, 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. Filed 634 water well certification reports with the Missouri Geological Survey since 2016 (624 of them domestic wells), most recently in September 2026, mostly in Lincoln, St. Charles and Warren counties; the median depth of those wells is 560 feet.
What the Missouri record says Flynn Drilling / dba Mudds Drilling is licensed or registered to do.
Drilling closed-loop boreholes for ground-source heat pumps.
Sealing an unused well to state standards so it cannot carry surface water down into the aquifer.
Drilling a new private well, setting the casing and grouting it the way state rules require.
Fixing casings, caps, pitless adapters and other parts of an existing well.
Based in Lincoln County, Missouri. The state record lists 8 counties.
Approximate location (Lincoln County)Counties on the state record
Useful context before you call a contractor here.
National ranges to help you read a quote. They are not prices from Flynn Drilling / dba Mudds Drilling; ask for a written estimate.
National 2026 ranges. Sources, checked September 2026: HomeGuide cost guides, Angi.
Test your water before and after any work on the well.
Look up license 002994 on the Missouri state lookup and make sure it is active for the work you need. Open the Missouri lookup.
Ask for the scope, parts, depth or pump size, permit fees and warranty in writing. Compare two or three quotes for big jobs.
New wells and many repairs are reported to the state. Ask who files the paperwork and for a copy of the well log.
Any work on a well can disturb bacteria. Test for coliform bacteria once the job is done.
Yes. The Missouri record shows license 002994 (well drilling) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.
The state record lists geothermal, well abandonment, well drilling and well repair. Call to confirm they take on your type of job.
The business is based in Lincoln County (Troy, MO). The state record lists 8 counties, including Lincoln County, St. Charles County, Warren County, Montgomery County and Pike County.
Call (573) 384-5571 and visit their website. The address on the state record is PO BOX 265, Troy, MO 63379.
License 006650, 002995, 003163, 006146, 006143, 006142, 006501, 006807, 001120, 004538, 004252, 004248, 006495, 006811, 006809, 004537, 004540, 006342, 004026, 001122, 006721, 006157, 006609, 006810, 006498, 001463, 007149, 007067, 001125, 006330, 006496, 007167, 006808, 004249, 006325, 006806, 006499, 006500 Active
License 1217 Active
License 002957 Active
