In determining the number, location, construction and frequency of sampling of monitor wells, the following shall be considered:
- (1) Whether or not any person is relying on the underground source of drinking water affected or potentially affected by the injection operation;
- (2) The proximity of the injection operation to points of withdrawal of drinking water;
- (3) The local geology and hydrology;
- (4) The operating pressures and whether a negative pressure gradient is being maintained;
- (5) The toxicity and volume of the injected fluid, the formation water, and the process by-products; and
- (6) The density of the injection wells.
Source: 33 SDR 160, effective April 17, 2007.
General Authority: SDCL 45-6B-81.
Law Implemented: SDCL 45-6B-41.