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REP09656
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REP09656
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Entry Properties
Last modified
8/24/2016 11:39:13 PM
Creation date
11/27/2007 12:12:02 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
2/1/2001
Doc Name
2000 AHR COVER SHEET AND TEXT
From
SENECA COAL CO
To
DMG
Annual Report Year
2000
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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• mentions that all aquifers prior to mining at the Seneca II-W Miae have <br />exhibited several yarameter coaceatratioae is excess of both irrigation and <br />livestock standards compared, rendering them queetioaable regarding their <br />suitability for either irrigation or livestock. All bedrock aqulEera affected <br />by mining have been determined to hove traasmiseivities leas than 100 ft~/day, <br />which mould also preclude their use for yielding cufficieaG water £or <br />irrigation, or even livestock. <br />Surface Water <br />At Seneca II-W, all stream sites (unless otherwise noted! are monitored monthly <br />(excluding November to February) for flow nad field Darametere (flow, <br />temperature, pH, and electrical conductivity). NPDES Discharge point 015 Se <br />monitored weakly for flow and pH. All four NPD85 sites are monitored monthly <br />for NPDES parameters sad field perametare. Moaitoriag frequency changes £or <br />005, 006, and 009 went into effect oa 9eytembar 1, 1999 (sea •Iatroductioa"). <br />Samples obtaiae8 at all NPDE9 and stream eltes are aaslyzed for the surface <br />• water yarametar list, Table 7, during April, June, and September. Springs era <br />moaitorefl eemianaually (ogee is April-June, then again in September-November) <br />for flow, field parameters, and, if flow exceeds five gDm, the surface water <br />parameter list. A summery of surface water monitoring sites aa8 sampling <br />history is presented in Table B. Moaitoriag frequeaeiae for surface water sites <br />may be found is Appendix 15-3a of the Seaece II-W PAP. <br />All surface water data is found in Appendix E. Data for each site is ApDeadix E <br />begins with a flow )~ydrograph of all historic data (plus as annual hydzograDh <br />for NPDES sites), followed by n listing of individual water quality sad quantity <br />data for the current water year. ~AEter the water quality report is a etntiatiea <br />report reDreeantiag baseline (i.e., premiaiag) data for each site dowaetzaem of <br />mining (when available). On this atatietice report, "censored data" refers to <br />analytical values that were below the detection limit, which ware censored from <br />the min/mex/mesa calculatioae. The time frame for baseline conditions ie listed <br />under "conditions specified^ at the bottom of each page. This is followed by a <br />TDS regression plot using the LOWES3 method (sae the Ground Water Quality <br />• aectioa), and a listing of historic percent milliequivaleat values for major <br />ions and TDS values. The following discussion of water quality will limit <br />
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