Well Abandonment in Douglas County, CO
Hier Drilling Co. is a Castle Rock-based water well and pump service company providing well abandonment services in Douglas County, CO. Call (303) 688-3012 today to schedule a free estimate. Founded in 1944, Hier Drilling Co. has served Douglas County, CO, property owners for over 80 years, helping families and landowners properly close unused or failing wells in full compliance with state and local requirements.
An unused water well on your property may carry more risk than you realize. Contaminated surface water can migrate into an unsealed well and reach the groundwater below, posing a health hazard to neighbors and the wider community. Permanently sealing an abandoned well ensures it can never again act as a pathway for contamination. Hier Drilling Co. provides these services throughout Douglas County, CO, handling every step from inspection to final documentation.

The Well Abandonment Process, Step by Step
This work follows a defined sequence of steps designed to protect groundwater and keep you in compliance with Colorado Division of Water Resources rules. Here is what property owners in Douglas County, CO, can typically expect:
- Initial site inspection and well condition assessment.
- Removal of any pump, casing components, or obstructions inside the well.
- Well abandonment grouting and sealing of the wellbore using approved materials from top to bottom.
- Backfilling and surface restoration to match surrounding grade.
- Filing of the required abandonment report with the Colorado Division of Water Resources.
Every step is handled by licensed professionals, and no detail is left to chance.
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Why Proper Well Sealing Protects Your Property and Groundwater
Properly completing water well abandonment protects your groundwater. Unsealed wells can funnel pesticides, bacteria, and runoff directly into the aquifer that your neighbors may still rely on. Beyond the environmental risk, Colorado state law requires property owners to report and properly seal abandoned wells. Failing to do so may result in fines or liability issues when you sell or transfer the property.
Hier Drilling Co. holds the second oldest active well contractor license in Colorado and is a licensed and bonded member of the Colorado Water Well Contractors Association. That standing means every project meets the regulatory standards required by the state.
Get a Free Estimate in Douglas County
Hier Drilling Co. is ready to help you close out an unused well the right way. Call (303) 688-3012 or visit our contact page to request a free estimate. You can also learn more about our full range of well services. Property owners across Douglas County, CO, have trusted this family-owned team for generations, and that trust is something we take seriously on every job.



