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REP46860
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REP46860
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Entry Properties
Last modified
8/25/2016 12:50:14 AM
Creation date
11/27/2007 11:26:03 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
Report
Doc Date
3/10/1986
Doc Name
POWDERHORN COAL CO RAPID AND COTTONWOOD CREEKS SURFACE WATER MONITORING REPORTS 1983-1985
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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' • ~ 4 <br />1 <br />t <br />' Annual Re rt 1984 <br />' Historical streamflox data is available only for S'dG5-O1. This <br /> data is for the yeazs 982 and 1983. The other three stations do not <br /> have a previous record b~Z~t~, ,~ ~~~~. ~/l~/) _ ~I~ <br /> swcs-ol ~Anlx 2~bQ-,~[, <br />' <br /> The data for this station In 19a+ consisted of txo periods, April <br />' 20 to i9ay 10 and June 22 to July 20. Comparing April-May 1984 to the <br /> onl• istorical data available, that of 1983, shored the flows to be <br />~ <br />' _ ~~ <br />similar, Hoxever, the 19$4 data indicates an earlier thax and more <br />' stable flows than 1983. The June-July 198++ data can only be compazed <br /> to the 1983 values for July. [•tean daily flows were somewhat higher <br />t Sn 1984 although they had decreased to 14 cfs by the end of the period, <br /> this xas similar to the 11 cfs of 1983• <br />' The maximum instantaneous flox recorded at this station for 1984 <br />' xas 66.2 cfs. The minimum flow was 2.39 cfs. It must be remembered <br /> that the record is not complete for 1984, therefore, these values may <br />' not be the maximum and minimum flows for the yeaz. As the 66.2 cfs <br /> xas recorded at that time of the year xhen the peak flox from sno•.+melt <br />' normall <br />robable that it xas the maximum flow of the yeaz <br />occurs it is <br /> y <br />. <br />p <br />' SdGS-02 <br /> Txo periods of record exist for this station in 1984, April 20 <br />' to :lay 16 and September 23 to October 19. Mean daily flows were much <br /> as expected for the April-i•~ay period indicating the normal seasonal <br /> <br />1 <br />
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