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REP00483
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Entry Properties
Last modified
8/24/2016 11:29:23 PM
Creation date
11/26/2007 9:40:51 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981014
IBM Index Class Name
Report
Doc Date
7/1/1996
Doc Name
1997 AHR
Annual Report Year
1997
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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!um 1998 <br />Fmk Fuels Cwl, /m. <br />1997 Amud Hydrology Report <br />QUARTERLY HYDROLOGY MONITORING PROGRAM <br />DATA SUMMARY <br />(Period July 1, 1996 through December 31, 1997) <br />This section of the 1997 AHR presents all surface and ground water data collected at the <br />Southfield Mine from 1979 through the end of the reporting period. Discussion of these data, <br />including potential impacts and trends, follows below. <br />Surface Water <br />Field and laboratory data collected from approved monitoring points on Newlin, Oak, Magpie <br />and Second Alkali Creeks are shown on water quality Tables 10, 11, 12, 13, 14, 15, 16, and <br />17. Stream flow measurements for these monitoring lacadons are summarized on Table 9. <br />Monitoring of upstream and downstream locations on Newlin, Magpie and Oak Creeks was <br />suggested in the Division's Mid-Term review of the Southfield permit. EFCI agreed that this <br />approach would provide more useful data than the currently approved single monitoring point <br />on each of these creeks. This change of monitoring plan is included with Technical Revision <br />No. 29, currently under review. EFCI voluntarily began monitoring two locations on the <br />referenced creeks during the second quarter of 1997. Data from the additional monitoring is <br />included in the stream quality and quantity data summary tables. <br />Stream flows occurred during the spring and summer months in response to snowmelt and <br />precipitation events during the reporting period. Measurable flows were monitored in all the <br />streams. Newlin Creek flowed, at low levels, through June 1996 due to heavy rains received <br />during eazly Spring. In Oak Creek, low flows persisted during the second and third quarters <br />of the reporting period. Similar to previous reporting periods, Second Alkali Creek exhibited <br />infrequent, low flow patterns in response to precipitation events, <br />Water quality data, shown on the attached tables, indicate no unusual or harmful trends. Data <br />for Oak Creek indicate slightly increasing levels of TDS, calcium, and sulfate as compared to <br />previous monitoring periods. Field measurements of conductivity simihuly show an upwazd <br />trend. Heavy metal concentrations are at or below levels of previous monitoring data. <br />The data for Newlin Creek, obtained only during the 2nd quarter of 1997, are comparable to <br />ranges found m previous monitoring periods. No deterioration of Newlin Creek or Oak Creek <br />is apparent from the water quality data collected to date. <br />Monitoring data from Magpie Creek show increasing levels of calcium, aluminum, sulfate, <br />iron, and manganese. These data were obtained at the upstream sampling site and are not <br />
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