About
Mahan Drilling & Pump Service is a second-generation, family-owned well drilling contractor with 30 years of experience serving private, residential, and farm clients across southern Missouri and the Ozarks. As a Missouri licensed and insured company, they specialize in quality water well drilling and comprehensive pump systems. They offer free estimates on new well and pump systems, backing them with a 5-year warranty on pumps and pressure tanks, and strive to repair existing systems to save clients money.
Regulatory Context
Well Drilling Regulations in Missouri
Water well drilling contractors in Missouri must hold a current state well-driller license and follow state well-construction standards that protect groundwater and aquifers. Look for contractors licensed by the Missouri well-driller licensing board and members of the National Ground Water Association (NGWA). Drilling, casing, and well-completion work is regulated under state groundwater-protection programs and the federal Safe Drinking Water Act. Contact your state well-driller licensing board for specific licensing and permit requirements in your area.
See full well drilling regulations in Missouri →
Frequently Asked Questions
How often should a water well be serviced in Houston, Missouri?
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Most well owners in Missouri should have their water well and pump inspected once a year, and the water tested at least annually for bacteria and contaminants. Homeowners in Houston who notice changes in water pressure, taste, or clarity should schedule a service visit sooner. A licensed well driller can check the pump, pressure tank, casing, and water quality during a routine inspection.
What does it cost to drill a water well in Houston?
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Drilling a residential water well in Houston, Missouri typically costs between $3,500 and $15,000+, depending on well depth, geology, casing, and the pump system. Deeper wells, hard rock, and remote sites raise the cost. Request quotes from multiple licensed well drillers to compare depth estimates, casing, and pump packages.
Does a well driller need to be licensed in Missouri?
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Yes. Missouri requires water well drilling contractors to hold a current state well-driller license issued by the state licensing board, and to follow state well-construction standards that protect groundwater. Membership in the National Ground Water Association (NGWA) is an added sign of professionalism. Always confirm a contractor's state license before hiring.
What are the signs my well pump needs replacement in Houston?
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Common signs a well pump is failing in Houston include low or fluctuating water pressure, air spitting from faucets, rising electric bills, the pump running constantly, or no water at all. If you notice these symptoms, contact a licensed well driller or pump contractor. Many providers offer emergency service and can typically diagnose the pump and pressure tank within a day.
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Listing data last checked: July 2, 2026
Regulatory Context
Well Drilling Regulations in Missouri
Water well drilling contractors in Missouri must hold a current state well-driller license and follow state well-construction standards that protect groundwater and aquifers. Look for contractors who are licensed by the Missouri well-driller licensing board and who are members of the National Ground Water Association (NGWA). Drilling, casing, grouting, and well-completion work is regulated under state groundwater-protection programs and the federal Safe Drinking Water Act. Contact your state well-driller licensing board for specific licensing and permit requirements in your area.
Frequently Asked Questions
How often should a water well be serviced in Houston, Missouri?
Most well owners in Missouri should have their water well and pump inspected once a year, and the water tested at least annually for bacteria and contaminants. Homeowners in Houston who notice changes in water pressure, taste, or clarity should schedule a service visit sooner. A licensed well driller can check the pump, pressure tank, casing, and water quality during a routine inspection.
What does it cost to drill a water well in Houston?
Drilling a residential water well in Houston, Missouri typically costs between $3,500 and $15,000+, depending on well depth, geology, casing, and the pump system. Deeper wells, hard rock, and remote sites raise the cost. Request quotes from multiple licensed well drillers to compare depth estimates, casing, and pump packages.
Does a well driller need to be licensed in Missouri?
Yes. Missouri requires water well drilling contractors to hold a current state well-driller license issued by the state licensing board, and to follow state well-construction standards that protect groundwater. Membership in the National Ground Water Association (NGWA) is an added sign of professionalism. Always confirm a contractor's state license before hiring.
What are the signs my well pump needs replacement in Houston?
Common signs a well pump is failing in Houston include low or fluctuating water pressure, air spitting from faucets, rising electric bills, the pump running constantly, or no water at all. If you notice these symptoms, contact a licensed well driller or pump contractor. Many providers offer emergency service and can typically diagnose the pump and pressure tank within a day.
Browse all well drillers in Houston, Missouri →
Listing data last checked: July 2, 2026
