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• 2.2 Hydrologic Monitoring Schedule <br />Permit Revision PR-04 provided a modification to the ongoing hydrologic monitoring program. <br />The following list describes the present monitoring sites. <br />Station Fteguencv Elevation Location Water Twe <br />Wells <br />B-6 Note 3 6782 Beaz Creek Ground Water -Down Gradient <br /> Somerset Mine B seam workings <br />BC-1 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 />Streams <br />B-1 Note I 6000 Lower Bear Creek Surface Water - Down Gradient <br />C-1 Note 1 6070 Lower Coal Gulch Surface Water- Down Gradient <br />E-1 Note 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 HawksnestCreek Surface Water- Down Gradient <br />NF-] Note 2 6080 N. Fk. Gunnison River Surface Water - Up Gradient <br />NF-2 Note 2 6010 N. Fk. Gunnison River Surface Water- Mid-Gradient <br />NF-3 Note 2 5910 N. Fk. Gunnison River Surface Water- Down-gradient <br />S-1 Note I 6080 Upper Sanbom Creek Surface Water - Up Gradient <br />S-2 Note 1 6030 Lower Sanbom Creek Surface Water - Down Gradient <br />USGS Gage Note 6 6080 N. Fk Gunnison River Surface Water <br />Springs and Seeps <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 Discharge <br />Outfalf 011 Note 5 6060 Sanborn Creek Mine Mine Water <br />Outfa11015 Note 5 6400 Elk Creek Mine Mine Water <br />NOTES: <br />1. Flow and field parameters -Monthly April through October. Field parameters & full suite during 2"d and <br />3`d quarters. <br />2. Same as Note 1 plus continuous monthly field parameters. <br />3. Field parameters twice, June through October. Full suite 3`d quarter if sample is available. <br />4. Discharge and Feld parameters twice during June through October. <br />5. CDPS requirements including quarterly WET testing. <br />6. USGS Gage used for stream flow purposes only. <br />• <br /> <br />