About
Hier Drilling Co. provides comprehensive water well and pump services across Castle Rock, CO, and surrounding counties including Douglas, Elbert, Arapahoe, and El Paso. This four-generation family business has been delivering professional solutions for new and existing well systems since 1944. They offer complete well construction, replacement, and abandonment, alongside full pump maintenance, installation, and replacement, ensuring reliable water systems for residential and commercial properties. Licensed and bonded through the Colorado Division of Water Resources, they also offer guidance on local drilling policies.
Regulatory Context
Well Drilling Regulations in Colorado
Water well drilling contractors in Colorado 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 Colorado 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 Colorado →
Frequently Asked Questions
How often should a water well be serviced in Castle Rock, Colorado?
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Most well owners in Colorado should have their water well and pump inspected once a year, and the water tested at least annually for bacteria and contaminants. Homeowners in Castle Rock 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 Castle Rock?
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Drilling a residential water well in Castle Rock, Colorado 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 Colorado?
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Yes. Colorado 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 Castle Rock?
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Common signs a well pump is failing in Castle Rock 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 Colorado
Listing data last checked: July 2, 2026
Regulatory Context
Well Drilling Regulations in Colorado
Water well drilling contractors in Colorado 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 Colorado 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 Colorado
Frequently Asked Questions
How often should a water well be serviced in Castle Rock, Colorado?
Most well owners in Colorado should have their water well and pump inspected once a year, and the water tested at least annually for bacteria and contaminants. Homeowners in Castle Rock 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 Castle Rock?
Drilling a residential water well in Castle Rock, Colorado 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 Colorado?
Yes. Colorado 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 Castle Rock?
Common signs a well pump is failing in Castle Rock 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 Castle Rock, Colorado →
Listing data last checked: July 2, 2026
