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PERMFILE123597
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PERMFILE123597
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Entry Properties
Last modified
8/24/2016 10:21:19 PM
Creation date
11/25/2007 11:42:38 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996083A
IBM Index Class Name
Permit File
Doc Date
1/15/2002
Section_Exhibit Name
Rule 2.04 Environmental Resources
Media Type
D
Archive
Yes
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• 2.04.7 <br />ROLLINS SANDSTONE WATER QUALITY <br /> Alkalinity Chloride Sodium TDS <br />BRL #2 346 3330 650 2100 4840 <br />SOM - SC-1 2580 3140 3120 7400 <br />SOM - SC-2 3540 3150 3450 8500 <br />MCC SOM-128-H 3940 2610 3060 8230 <br />Reference: SOM 1992 AHR, MCC 1994 AHR <br />In general, groundwater within the Mesaverde Formation is of sodium <br />bicarbonate type, and the total dissolved solids ranges from 900 to 8,960 <br />ppm. High mineralization and high sulfate and sodium content of this <br />groundwater precludes the use for potable, stock and irrigation purposes. <br />Electrical conductance and total dissolved solids values from Mesaverde <br />sources are typically a factor of ten higher than similar parameters measured <br />from colluvial, near surface water sources (2000 to 3000 umhos v. s. 200-800 <br />umhos, respectively). The notable difference in water quality clearly <br />separates the groundwater systems and suggests the longer residence time <br />(and lower transmissivity) of the water within the bedrock Mesaverde (refer <br />to Groundwater Monitoring results). <br />Potential recharge to the Mesaverde Formation occurs within the major <br />stream drainages, while flowing, (Brooks,1983). Additional recharge of <br />much smaller magnitude could occur at the outcrop, yet the near vertical <br />exposures and sporadic precipitation precludes any large scale infiltration. <br />Upper Perched Water Zone and Rollins Sandstone <br />The interpretation of the groundwater presence in the Mesaverde Formation <br />is based on the observation of water presence during the exploration drilling, <br />water level measurement during the geophysical well logging, and water <br />level measurements in the monitoring wells. The results of this interpretation <br />• are shown on Maps 10 and 11. These maps show the perched water <br />PR-03 2.04 - 27 - 5199 <br />
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