HYDRO27678

• Permit No: M1974015
• IBM Index Class Name: Hydrology
• Doc Name: AN ANALYSIS OF POSSIBLE GROUNDWATER & SURFACE WATER IMPACTS RESULTING FROM LYONS ROCKIN WP GRAVEL P
• Media Type: D
• Archive: No

1
' LIST OF TABLES

'
Table Page
'
1 Summary of Nearby Production Wells ... . ............................... ... 10
' 2 Summary of Ground Water Model Inputs ............................. . ... ... 15
3 Modeled Water Level Changes at Wells .................................. ... 19
' 4 Summary of Area of Alluvium to be Removed and Area of Unlined Ponds Created ... 24
5 Average Impact on Streamflow -Amended Application Only ............ .... ... 29
' 6 Average Impact on Streamflow -Miller and Rockin' WP North Pit ............. ... 31
7 Average Impact on Streamflow -Total Mining Operation .................... ... 32

LIST OF FIGURES
' Figure Page
1 General Location Map ...................................... ..............2
' 2 Location Map of Production Wells ............................ .............. 9
3 Average Annual Water Level Hydrograph ...................... ............. 26
' 4 Average Impact on Streamflow -Total Mining Operation .......... ...... . ...... 34

1

Ri.;bnp l!n{,diu .l;rnr inns. lm.