The applicant shall conduct a hydrogeologic evaluation at or near the site to determine, at a minimum, the groundwater flow direction, gradient, and ambient quality. Well construction must conform to the requirements of subdivision 74:54:02:06(9)(f). The applicant shall determine ambient groundwater quality before permit approval. The secretary shall approve the sampling parameters. Sampling results shall be compared to the groundwater quality standards of §§ 74:54:01:04 and 74:54:01:05.
Sampling and analytical techniques must conform to the requirements of § 74:54:01:06. Groundwater level measurements and water quality analyses of existing wells may also be used in determining the hydrogeologic conditions at the site.
S.D. Admin. R. 74:27:12:05
General Authority: SDCL 34A-6-1.6.
Law Implemented: SDCL 34A-6-1.6.