Many installations have numerous monitoring wells installed over several decades. Usually, there is no method of accounting for all wells or to determine if they are functional or still required. Deteriorated and unused wells represent direct conduits to aquifers from natural or intentional pollution. Most States have regulations pertaining to deteriorated or abandoned wells that apply penalties or fines for noncompliance. The following services address these issues.
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Monitoring Well Inventory and Inspection
- Review installation, county, state and other records to locate all wells on the installation.
- Verify all well locations for accuracy and obtain Global Positioning system coordinates.
- Determine relevant physical characteristics and condition of wells, including use of downhole camera.
- Develop uniform numbering system for all wells.
- Develop accurate well location maps using Geographic Information System (ArcView GIS and AutoCAD Map)
- Identify wells that are damaged and/or in need of rehabilitation.
- Identify wells that are no longer needed.
- Complete well inspection reports for all wells.
Well Rehabilitation and Decommissioning
- Add, repair, or replace protective casings, concrete pads and monitoring well locks.
- Rehabilitate or replace old, non-functional wells.
- Decommission unneeded or unusable wells based on State regulations and standards.
- Complete necessary decommissioning forms.
Site Specific or Installation-wide Groundwater Monitoring Program
- Develop new groundwater monitoring programs.
- Evaluate or update existing ground-water monitoring programs.
- Monitor groundwater flow onto and off installation.
- Perform seasonal groundwater monitoring.
- Estimate aquifer characteristics through slug/pump testing.