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Table 1. 5~hrihi ry ~ rydrology Monitoring Stations - ReQuired Monitoring for 1996 Annual Hydrology Report -Page 1 Statbn Elev. Depth Frequency of Measurements Report Report Number Station Name (R.) (R.) FIow7Level Field Par. La .Par. Frequency Format Comments NPDES Monitoring Poirrts: NP001 Water Treatment PIaM (001) 6945' N7A Weekly N/A Monthly Quartery DMR, AHR Sampled during discharge events for NPDES parameters NP002 Sed. Pond No. 4 (002) 6575' NIA Weeky Weekly Weekly Quarterly DMR, AHR Sampled during discharge events for NPDES parameters NP003 Parking Area Pond (003) 6610' N/A Weekly Weekly Weekly Quarterly DMR, AHR Sampled during discharge events (or NPDES parameters NP004 Coal Stockpile Pond (004) 5740' N/A Weeky Weekly Weekly Quarterly DMR, AHR Sampled during o~scnarge events for NPDES parameters NP1705 NP006 Train loadoul Pond (005) West Mine Pond (006) 5720' 7340' N/A N/A Weekly Weekly Weekly Weekly Weekly Weekly Quarterry Quarery DMR, AHR DMR, AHR Sampled during discharge events ror NPDES parameters Sampled during discharge events for NPDES parameters OVEM Groundwater MonRorin Wells: 801 8oreholo 7 7465.0' 40.8' Seml-Ann N/A N/A Annuall AHR B02 8arehole2 7440.0' 36.5' Semi-Ann N/A N/A Annually AHR 803 Borehole 3 6949,0' 72.9' Semi-Ann NIA N/A Annually AHR B04 Borehole d 6833.3' 54.9' Semi-Ann NIA NIA Annually AHR BOS Borehole5 6883.7 32.5' Semi-Ann N/A N/A Annually AHR 806 Borehole 6 6780.5' 93.8' Semi-Ann NIA N/A Annuall AHR 807 Borehole 7 6602.0' 95.3' Semi-Ann Semi-Ann Semi-Ann Annuall AHR Also known as Noed 22. Drilled in Mancos Shak BOB Borehole 8 6790.0' 38.8' Semi-Ann N/A N/A Annuall AHR OVWM Groundwater Monitoring Wells: OVWM OVWM Fill Well 7240' 73.9' Semi-Ann N/A N/A Annual AHR North Fork Alluvium Groundwater Moniforlnq Wells: MWO1 Monitoring WNI 1 5776.15' 25.0' Monthly Ouarteny Quarteny Annually AHR MW02 Monitoring WN12 5737.40' 41.8' Monthly NIA N1A Annuall AHR MW03 MonRamg WNI 3 5726.94' 31.9' Monthl Ouarteny Quarterly Annuall AHR East Roatcap Creek Colluvium Groundwater Monitoring Wells: SMOS Monitori Well SM-5 7557.7 T 40.T Semi-Ann Semi-Ann Semi-Ann Annually AHR No monitoring Burin winter months; access limited SM06 Monitori Well SM-6 7468.08' 47.9' Semi-Ann Semi-Ann Semi-Ann Annually AHR No monam~ng during winter months; access limited SIN07 Monnorin Well SM-7 7840.00' 51.0' Semi-Ann Semi-Ann Semi•Ann Annuall AHR No mon~tor~ng tluring winter months; access hmrted SMIO Monitoring WNI SM-10 7250.4T 48.T Semi-Ann Semi-Ann Semi-Ann Annuall AHR No monitoring during winter months, access limned SM55 Monitoring Well SM-11 7241.65' 46.5 Semi-Ann Semi-Ann Semi-Ann Annuall AHR No monitoring during winter months; access limited Sunc~e Water Monitoring Stations: PONDS P8700 East Raateap Creek -Pond 87 79'9D' N/A Quarterly Quarteny Annual Annuafty AHR Monitored if pond discharging. No winter monitonrtg/access PllBW East Roatcap Creek -Pond 88 7790' N/A Quartedy Quarterly Annual Annualy AHR Monitored if pond discharging. No winter monitoring/aaess P8900 East Roatcap Creek -Pond 89 7490' N/A Quarterly Quartedy Annual Annually AHR Monitored it pond discharging. No venter monita~nglaccess P0306 East Roatcap Creek -Ports 3{ 9075 N/A Quarteny Ouarterty Annual Annualy AHR Monitored it pond discharging. No winter momror,ngraccess P1001 East Roatca Greek -Pond 10.1 8520' N!A Quartedy Quarteny Annual Annually AHR Monitored n pond discharging. No venter mon~tormg.~acce5a P1002 East Roatca Creek -Pond 10.2 8630' N/A Quartedy Quarteny Annual Annually AHR Monitored n pond discharging No winter mon~toringraccess P1003 P1004 P1007 East Roatrap Creek -Pond 1 o-3 East Roatwp Creek -Pond 10-4 st Roatcap Creek -Pond 10-7 8680' 8780' 8350' N/A N!A N/A Quarteny Quarteny Quarteny Quarterly Annually OuaRerfy Annually Quarten Annually Annually Annually Annually AHR AHR AHR Monitored it pond discharging. No winter ondortng/access Monitored 11 pond discharging. No wint itaring/access Monitored if pond discharging. No winter ondaring/access 4/24/97