2017-09-25_REVISION - C1981008

• Permit No: C1981008
• IBM Index Class Name: Revision
• Doc Date: 9/25/2017
• Doc Name: Adequacy Review Response
• From: Tri-State Generation and Transmission Association, Inc
• To: DRMS
• Type & Sequence: TR77
• Email Name: BFB
• Email Name: DIH
• Media Type: D
• Archive: No

GW -N41, GW -N42, and GW -N43
GW -N41 monitors the overburden aquifer up gradient of the mining area. GW -N42 monitors the
Dakota coal aquifer up gradient of the mining area, and GW -N43 monitors the underburden
aquifer up gradient of the mining area.
Summary of the indicator parameters for each well are provided as follows:
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