Atlantic Richfield Company
Butte, Montana

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Well Monitoring

What you should know

Since 2007, efforts to measure and sample a wide range of BPSOU groundwater wells have been conducted by the BPSOU Team.

Since 2007, efforts to measure and sample a wide range of BPSOU groundwater wells have been conducted by the BPSOU Team. This monitoring has typically consisted of monthly water levels and annual or semi-annual sampling. A number of wells have transducers which continuously monitoring water levels and other field parameters on a continual basis (every hour). Several surface water locations are monitored in conjunction with the ground water wells, as these systems interact. In fact, the primary compliance point for groundwater monitoring is the stream, as established in the BPSOU Record of Decision (2006).

For further information, visit our Reports and Publications page to download related documents.