About
H. I. Stone & Sons, Inc. has provided comprehensive water well and pump services across Cortland, IL, DeKalb County, and northern Illinois for over a century. Their licensed team specializes in dependable water well drilling, expert pump installation and repair for brands like Franklin Electric, Grundfos, and Goulds, and advanced constant pressure systems. They also offer crucial well maintenance, water testing, pipeline services, and well abandonment for residential, commercial, and agricultural clients. This fourth-generation family business, established in 1897, leverages experienced professionals and modern equipment to deliver trusted water solutions.
Regulatory Context
Well Drilling Regulations in Illinois
Water well drilling contractors in Illinois 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 Illinois 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 Illinois →
Frequently Asked Questions
How often should a water well be serviced in Cortland, Illinois?
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Most well owners in Illinois should have their water well and pump inspected once a year, and the water tested at least annually for bacteria and contaminants. Homeowners in Cortland 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 Cortland?
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Drilling a residential water well in Cortland, Illinois 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 Illinois?
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Yes. Illinois 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 Cortland?
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Common signs a well pump is failing in Cortland 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.
More Contractors in Illinois
Listing data last checked: July 2, 2026
Regulatory Context
Well Drilling Regulations in Illinois
Water well drilling contractors in Illinois 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 Illinois 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.
→ See full well drilling regulations in Illinois
Frequently Asked Questions
How often should a water well be serviced in Cortland, Illinois?
Most well owners in Illinois should have their water well and pump inspected once a year, and the water tested at least annually for bacteria and contaminants. Homeowners in Cortland 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 Cortland?
Drilling a residential water well in Cortland, Illinois 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 Illinois?
Yes. Illinois 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 Cortland?
Common signs a well pump is failing in Cortland 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 Cortland, Illinois →
Listing data last checked: July 2, 2026
