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• 2.2 Hydrologic Monitoring Schedule <br />CDMG Permit Revision PR-04 and TR-47 provide the most recent modification and definition to <br />the ongoing hydrologic monitoring program. The following list describes the present monitoring <br />sites. <br />Station Freauency Elevation Location Water Twe <br /> <br />Wells <br />B-6 Note 3 6782 Bear Creek Ground Water -Down Gradient <br /> Somerset Mine B seam workings <br />BC-I Note 3 6000 Lower Bear Creek Colluvial Well -Down Gradient <br />EC-7 Note 3 6400 Upper Elk Creek Colluvial Well - Up Gradient <br />EC-14 Note 3 6400 Upper Elk Creek Colluvial Well - Up Gradient <br />EC-15 Note 3 6300 Mid Elk Creek Colluvial Well -Mid Gradient <br />H-10 Note 3 6376 Hubbard Creek Ground Water-Down Gradient <br /> Somerset Mine B seam workings <br />SC-1 Note 3 6106.1 Drill hole Ground Water -Rollins SS <br />SC-3 Note 3 6227.8 Drill hole Ground Water - D Seam <br />D2B Note 7 64] 15 Upper Elk Creek D to B Seam Water Transfer Well <br />Streams <br />B-1 Note 1 6000 Lower Bear Creek Surface Water- Down Gradient <br />B-2 Note 8 6800 Mid Bear Creek Surface Water -Down Gradient <br />B-3 Note 8 7400 Upper Bear Creek Surface Water - Up Gradient <br />• C-1 No[e 1 6070 Lower Coal Gulch Surface Water -Down Gradient <br />E-1 No[e 1 6000 Lower Elk Creek Surface Water -Down Gradient <br />E-2 Note 1 6400 Upper Elk Creek Surface Water - Up Gradient <br />H-1 Note 1 6100 Lower Hubbazd Creek Surface Water -Down Gradient <br />HN-1 Note 1 6200 Hawksnest Creek Surface Water- Down Gradient <br />NF-1 Note 2 6080 N. Fk. Gunnison River Surface Water - Up Gradient <br />NF-3 Note 2 5910 N. Fk. Gunnison River Surface Water -Down-gradient <br />S-1 No[e 1 6080. Upper Sanborn Creek Surface Water - Up Gradient <br />USGS Gage Note 6 6080 N. Fk Gunnison River Surface Water <br />Sorines and Seens <br />SP-8 Note 4 6200 Spring Ground Water- slump feature <br />SP-9 Note 4 6200 Spring Ground Water -slump feature <br />Mine Water Discharee <br />Outfall 015 Note 5 6400 Elk Creek Mine Mine Water <br />NOTES : <br />1. Monthly flow and field parameters -April through October. One full suite analysis during 2nd and are <br /> quarters if available. <br />2. Same as Note 1 plus continuous monthly field parameters. <br />3. Field parameters twice, June through October. Full suite 3`d quarter i f sample is available. <br />4. Discharge and field pa rameters twice during June through October. <br />5. CDPS requirements including quarter ly WET testing. <br />6. USGS Gage used for s tream flow pur poses only. <br />7. D to B Seam water tra nsfer well is monitored for annual flow <br />TSS <br />p H and water level twice/year. <br />8. B-2 and B-3 are surfac e flow only. , <br />, <br />