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1996-06-25_GENERAL DOCUMENTS - C1980007
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1996-06-25_GENERAL DOCUMENTS - C1980007
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Last modified
2/17/2021 10:45:05 AM
Creation date
11/23/2007 5:42:34 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
General Documents
Doc Date
6/25/1996
Doc Name
Proposed Decision & Findings of Compliance for RN3
Permit Index Doc Type
FINDINGS
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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Two reservoirs are located within the Minnesota Creek drainage. <br /> Minnesota Reservoir is located on the Dry Fork. It has a decreed <br /> capacity of 1,285 acre-feet, but the actual capacity may be closer to <br /> 500 acre-feet. Beaver Reservoir is located on the East Fork of <br /> Minnesota Creek and has an absolute decreed capacity of 1,620 <br /> acre-feet and a conditional decree of 522 acre- feet. Both reservoirs <br /> store water for irrigation purposes and are filled during spring runoff. <br /> They are usually drained by late August or early September. <br /> Water quality data have been collected at several sites throughout the <br /> Minnesota Creek drainage. The data indicate that these waters are of <br /> a calcium bicarbonate type with relatively low total dissolved solids <br /> concentration. <br /> Minnesota Reservoir appears to have an effect on the water quality <br /> characteristics of Dry Fork. Detention of Dry Fork flows in the <br /> Minnesota Reservoir results in a decrease in total suspended solids <br /> (TSS) or turbidity, a slight increase in temperature, dissolved oxygen <br /> (DO), and total dissolved solids (TDS). The increase in TDS is most <br /> likely a result of evaporation losses. There is a slight increase in <br /> alkalinity and, as a result, a slight increase in pH. In all likelihood, <br /> these changes are also a result of evaporation losses. All of the <br /> changes in water quality observed are what would be expected as a <br /> result of impounding water in a shallow reservoir in a semi-arid <br /> climate. <br /> There are three different types of springs within the permit area <br /> including alluvial, colluvial, and bedrock springs. At least 69 springs <br /> have been identified within the permit area. Available data indicate <br /> that approximately 65 percent originate from alluvium and/or <br /> colluvium, and 35 percent have bedrock formation as their source. <br /> The flow rates of these springs are highly seasonal with peak flows <br /> occurring during wet weather conditions.Measurements indicate that <br /> spring flows generally decrease from a high in the early summer to a <br /> low in the fall. A number of the springs are ephemeral, indicating <br /> that their sources are small localized aquifers (i.e. landslide deposits, <br /> colluvium, lenticular sandstones, etc.). There are a total of nineteen <br /> (19) decreed spring water rights on or near the West Elk permit area. <br /> Wetlands have also been identified within the permit area. Based <br /> upon inspection of conventional and infra-red aerial photographs and <br /> reconnaissance-level field investigation, there are estimated to be 2 to <br /> 3 acres of wetlands (as defined by the U.S. Army Corps of Engineers <br /> in the Apache Rocks permit revision area. Most of the wetlands are <br /> found in drainage channels, although there are small, isolated wetlands <br /> 29 <br />
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