9VAC25-32-480: Groundwater monitoring and reporting

A. Monitoring wells may be required by the department for land treatment sites, sludge lagoons, biosolids land application sites, or biosolids storage facilities to monitor groundwater quality.

B. If groundwater monitoring is required, a groundwater monitoring plan shall be submitted to the department for approval that includes at a minimum:

1. Geologic and hydrologic conditions at the site;

2. Monitoring well design, placement, and construction;

3. Sampling frequency;

4. Sampling procedures, including quality assurance and quality control; and

5. Collection of background samples.