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Groundwater Monitoring Program for the Augusta–Richmond County Area

Project Number: 2503-0024S
Project Chief: Gerard Gonthier
Cooperator: Augusta Utilities Department
Year started: 2006

Problem

Water supply in the Augusta–Richmond County area is provided in part by three well fields that withdraw water from the Dublin–Midville aquifer system—a sand aquifer of Late Cretaceous age. The Augusta groundwater permit currently is limited to 10 million gallons per day by the Georgia Environmental Protection Division. Low levels of tetrachloroethene and trichloroethene have been detected in a supply well at the northernmost extent of well field number 2. To ensure that ground-water pumping does not adversely affect water levels in adjacent areas and to monitor ground-water quality, the U.S. Geological Survey operates a ground-water monitoring program for the Augusta–Richmond County area. Data from this network will provide information to support water-management decisions and provide a basis for future groundwater modeling efforts while adding to the regional characterization of ground-water conditions.

Objectives

• Determine current ground-water levels, flow directions, and water quality of the Dublin–Midville aquifer system in the Augusta–Richmond County area.
• Expand the continuous water-level recorder network by installing water-level recorders at selected sites.
• Collect synoptic water-level measurements and construct potentiometric-surface maps to establish seasonal flow gradients and directions.
• Collect and analyze water samples from selected wells in and near well field number 2..

Groundwater Monitoring Network

Network map