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REP40746
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REP40746
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Entry Properties
Last modified
8/25/2016 12:38:30 AM
Creation date
11/27/2007 8:49:42 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980001
IBM Index Class Name
Report
Doc Date
3/5/1992
Doc Name
1991 AHR text and data
Annual Report Year
1991
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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<br />L Water Quality Analya a~ndyamnl;nq Fr + n v <br />' The samples are analyzed for the parameters listed in the permit on page <br />4.6-143. Sampling frequency at the various sites is also listed on page 4.6- <br />193 of the permit. Field parameters including pH, temperature, and electrical <br />conductivity are measured using a Horiba water quality test instrument. <br />Surface water data are contained in Appendix I and ground water data are <br />contained in Appendix II. <br />III. SURFACE WATER <br />' ,a +q~nq~s a ions <br />Figure 1 shows the streamflow record for Trout Creek at TR-a. The graph <br />showing the results of the gauging station along Trout Creek indicates that <br />the monitoring program is being placed on-line early enough in the year to <br />record flows prior to the peak runoff period for each year. The graph shows <br />the monthly average flows and gives some indication of the differences between <br />~~~ mild winters (winters of less snow accumulation) and harsh winters. The <br />streamflow records on Trout Creek for 1984 and 1985 were lost due to a flood <br />' caused by an unusually rapid snowmelt during the spring of 1984. It was not <br />until late summer of 1985 that the Trout Creek stream channel stabilized <br />sufficiently to enable the re-installation of the gauging station. Although <br />~, the magnitude of the 1984 flood was not able to be recorded in terms of flow, <br />anomalies in the water chemistry are noted and will be discussed. The flow <br />record for 1989 shows the peak flow to have occurred in June as previous <br />years, except for 1987 when the peak flow occurred in May. The early peak <br />flow in 1987 was probably due to a milder winter with the on-set of warmer <br />temperatures occurring earlier in the spring than normal. Flow measurements <br />corresponding to sampling dates are provided at the end of the Appendix 1. <br />Instantaneous flow records for TR-b are provided in Appendix 1. Flow <br />records for this location began in 1989. Prior to this time, the flooding <br />which occurred during 1989 caused continual instabilities in the stream <br />channel at this location for several subsequent years. As a result, <br />reestablishing a monitoring station was not possible. In 1988, a new stable <br />reach of the stream channel was located and a monitoring station was <br />`I <br />
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