Groundwater monitoring systems must be located and designed to determine the ambient ground water quality and to detect the migration of leachate constituents from a facility. The monitoring system must be designed and installed under the supervision of a qualified groundwater scientist or engineer licensed to do business in South Dakota and is subject to approval by the secretary. A groundwater scientist or engineer shall certify that the groundwater monitoring system meets the requirements of 40 C.F.R. Part 258, as published on 56 Fed. Reg. 51,022 to 51,028, inclusive (October 9, 1991).
A sufficient number of wells must be located upgradient and downgradient of the waste disposal areas to ensure detection of contaminant migration. At least three wells must be located immediately downgradient of the waste disposal areas. Monitoring wells may be placed individually or in clusters.
Monitoring wells must be installed by a well driller licensed in South Dakota and must meet the design and construction requirements of chapter 74:02:04.
S.D. Admin. R. 74:27:19:03
General Authority: SDCL 34A-6-1.6.
Law Implemented: SDCL 34A-6-1.6, 34A-6-1.7.