2019-12-03_HYDROLOGY - M1983090 - Laserfiche WebLink

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The Division has identified four approaches for operators: 1. File a financial warranty that will ensure backfilling of the pit to cover the exposed ground water to a depth of two feet above the static ground water level or, 2. Obtain a court approved augmentation plan prior to exposing ground water or, 3. File a financial warranty to cover the cost of installing a clay liner or slurry wall that meets the Division of Water Resources requirements for preventing ground water exposure or, 4. Obtain approval from the Division of Water Resources that acknowledges compliance with the SEO's requirements pursuant to§37-90-137(11). The Division will work with operators on an individual basis as they move to implement one of these plans. It is likely that options 1 and 3 will require the submittal of a technical revision or an amendment to the existing permit depending on the nature of the current mining and reclamation plan and the proposed changes. Increased financial warranties,as a result of these modifications, may be posted in a phased manner not to exceed three years. Amendments or revisions currently under review will be required to be approved by April 30,2011 and may use the phased financial warranty approach described above. New applications going forward or presently under review by the Division will be required to meet the requirements of one of the options 1-4 at the time of application approval. Failure of affected operators to initiate contact with the Division and gain compliance as described above could result in an enforcement action being issued by the Division. If you have any questions, please contact Tony Waldron at 303-866-3567,extension 8150. cc: M2006064 Shields at Fossil Creek Mine M1983031 Stromquist Pit M1994002 Andrews S&G#5(Burlington Pit) M1974072 Chantala Pit N12006018 North Bank Resources M1985218 Rich Pit 1'V12006073 Sundance Sand and Gravel Resource M1985206 Boone-Martin Pit N12009082 Parsons Mine M1995022 Andrews#2 N11977081 Greeley West Pit M1990144 Boone-Fillmore Pit M2003091 Duckworth Pit M1997087 Hartman Pit N12000113 Mamm Creek Sand &Gravel M2001094 Shaw Pit IV12001090 River Valley Resource M2002009 Beeman Pit#1 IV12000016 Riverbend Operation M1981307 Fountain Pit IVI1979134 Powers Pit M1977439 Home Office Mine IV11977036 Greeley 35th Ave Pit M1979191 Three Bells Pit IV12000034 Reichert Pit M1982182 Port of Entry Pit M2001051 North Taft Hill Expansion Site M2002081 Overland Ponds IVI1974015 Lyons Pit M1981088 McCoy Pit IVI1974004 Specification Aggregates Quarry M1982034 Miller Pit IV11987176 Hamm Pit M1996082 Blair Mesa Pit IV11988042 Cottonwood Pit M1980136 Chambers Pit IVI1990112 State Pit M1977098 Sievers Pit M1979002 North Delta Pit M1983013 Latham-Burkett Pit M1974070 Nelson Pit M1979159 Brose Pit M1979097 East Rigden Pit M2000002 Tanabe Pit M1998014 Gypsum Ranch Pit M1991035 Bluestone Pit M1994045 Bluestone Pit M1999088 Kyger Pit M1986159 Courtner Pit M1986079 M &G Pit M1998075 Andrews#3 (Mock Pit)