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GENERAL42758
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Last modified
8/24/2016 8:11:33 PM
Creation date
11/23/2007 11:57:32 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1983059
IBM Index Class Name
General Documents
Doc Date
2/24/1999
Doc Name
PROPOSED DECISION & FINDINGS OF COMPLIANCE FOR RN3
Permit Index Doc Type
FINDINGS
Media Type
D
Archive
No
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Y <br /> <br />AVF's within the permit and adjacent area. The findings for the <br />North Fork AVF are presented below. Mining activity (construction <br />of the loadout facility) has already disturbed approximately 13 <br />acres of land on the colluvial slope. No further surface <br />disturbance is proposed by the applicant. <br />1. Pursuant to Rule 2.06.8 (5)(a)(i)(A)(I), the Division finds that <br />the surface coal mining operations would not interrupt, <br />discontinue, or preclude farming on the alluvial valley floor. <br />Loadout operations on the colluvial slope will not physically <br />impact farming operations on the alluvial flood plain below. <br />Groundwater is not present in the colluvium in the permit area <br />and surface water from above will be diverted around the <br />disturbed area. No future impact which might interrupt, <br />discontinue, or preclude farming on the flood plain is proposed. <br />Thus operations at Terror Creek would not interrupt, <br />discontinue, or preclude farming on previously-undisturbed <br />portions of the alluvial valley floor. <br />2. Pursuant to Rule 2.06.8 (6)(a)(i)(A)(II), the Division finds that <br />the surface coal mining operations would not materially damage <br />the quality and quantity of water in surface and underground <br />water systems that supply those alluvial valley floors or <br />portions of alluvial valley floors. <br />Given the small size (13.6 acres) and nature of the disturbance, <br />no significant hydrological impacts are anticipated. There is <br />minimal potential for the quality of water supplied to the <br />alluvial valley floor via the Deer Trail Ditch or the Fire <br />Mountain Canal to be affected. <br />The canals are located upslope from the disturbed area. <br />Irrigation runoff and storm runoff will be diverted around the <br />disturbance and disturbed flows will be routed through a <br />sediment pond prior to discharge. The applicant has obtained <br />water rights to Deer Trail Ditch water totalling 300 acre-feet <br />per year and anticipates a maximum operational need of <br />approximately 44 acre-feet per year. Forty-four acre-feet is <br />approximately .01~ of the mean annual flow of the North Fork. <br />The applicant's discussion of probable hydrologic consequences <br />has identified no anticipated changes in surface water quality. <br />All runoff from disturbed surface areas will drain through an <br />approved sediment control system. No material damage to the <br />quality of surface waters supplied to the alluvial valley floor <br />is anticipated, due to sediment control at the site and the Fact <br />that the ditch which supplies the AVF is located upslope of the <br />disturbance. <br />There is a slight potential for water quality degradation to <br />occur in the alluvial aquifer immediately down gradient of the <br />loadout pad as a result of percolation of degraded water through <br />the colluvium. This potential is considered insignificant for <br />Terror Creek Loadout <br />Page 21 <br />
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