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2008-01-08_REPORT - C1980007
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2008-01-08_REPORT - C1980007
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Last modified
8/24/2016 3:20:45 PM
Creation date
1/8/2008 2:45:46 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
REPORT
Doc Date
1/8/2008
Doc Name
2006 Annual Hydrology Report
From
HydroGeo Inc
To
DRMS
Annual Report Year
2006
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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West Elk Mine 2006 Annual Hydrology Report 6 <br /> <br />Figure 7. Stream Flow Data for Minnesota Creek <br /> Minnesota Creek <br /> 100 <br /> --- <br /> <br />~ ~-A~era e Flow WYs <br />g <br />3 <br />c g0 ---- <br />------------------------------------------------ ---- ---- ---- <br />1937-47,1986-2005 <br />~ 40 - --- ---- ---- ---- --- --- -- --- -- - ---- -e-Average Flow WY <br />m <br />L 2006 <br />~.+ <br />N <br />20 ______________________________________ _______________ <br />___________ _ __________ <br /> 0 <br /> ~a ~`J~~ ~~~or PQ~~ ~a~ ,~~~ <br />~o~~; ~~~ <br />~~~ <br />~ <br />~ ~~~~ J~~S'~ ~~~~ <br />~ <br /> oG <br />~ <br />~ <br />~° <br />p~G ~ <br />~~ P <br />~Q~ <br /> S <br />3.0 HYDROLOGIC MONITORING PLAN <br />The Project's monitoring program is designed to collect adequate hydrologic monitoring data in <br />. order to assess mining-related impacts to hydrologic resources. The CDRMS approved a revised <br />hydrologic monitoring plan for the Project in June 2006, was implemented in the latter months of <br />WY 2006 and in WY2007 (CDRMS, 2006). The details of the revised monitoring plan are <br />presented in the following sections, since some of the baseline monitoring occurred during <br />WY2006. <br />The hydrologic monitoring plan for the Project includes monitoring surface water resources, <br />springs and seeps, ground water resources, the underdrain, and pertinent mine water sites. Routine <br />(after one year of baseline monitoring) monitoring includes collecting field water quality data (pH, <br />electrical conductivity (EC), and temperature) and collecting a sample for independent laboratory <br />analysis annually. Flow or water level measurements are collected three times per year. The three <br />monitoring periods correspond with the rising limb period, between April 3rd and May 13d', the <br />peak flow period, between April 21 Sc and June 26d', and the low flow period, between July l Od` and <br />October 8d', as shown on Table 1. The chemical analysis suite for the first five years of sampling, <br />including baseline sampling, is presented in Table 2 as well as field parameters (pH, conductivity, <br />temperature, and flow or water level). After sites have been monitored for 5 years including one <br />year of baseline monitoring, the analytical suite parameter list is reduced to collecting field <br />parameters (pH, conductivity, temperature, and flow or water level) and submitting samples for <br />December 2007 HydroGeo, Inc. <br />
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