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• 2.2 Hydrologic Monitoring Schedule <br />CDMG Permit Revision PR-04 provided the most recent modification and definition to the <br />ongoing hydrologic monitoring program. The following list describes the present monitoring <br />sites. <br />Station Frequency Elevation Location <br />Wells <br />B-6 Note 3 6782 Bear Creek <br />BC-1 Note 3 6000 Lower Bear Creek <br />EC-7 Note 3 6400 Upper Elk Creek <br />EC-14 Note 3 6400 Upper Elk Creek <br />EC-lS Note 3 6300 Mid Elk Creek <br />H-10 Note 3 6376 Hubbazd Creek <br />SC-1 Note 3 6106.1 Drill hole <br />SC-3 Note 3 6227.8 Drill hole <br />Streams <br />B-1 Note 1 6000 Lower Bear Creek <br />C-1 Note 1 6070 Lower Coal Gulch <br />• E-1 Note 1 6000 Lower Elk Creek <br />E-2 Note 1 6400 Upper Elk Creek <br />H-I Note 1 6100 Lower Hubbard Creek <br />HN-1 Note 1 6200 HawksnestCreek <br />NF-1 Note 2 6080 N. Fk. Gunnison River <br />NF-2 Note 2 6010 N. Fk. Gunnison River <br />NF-3 Note 2 5910 N. Fk. Gunnison River <br />S-1 Note 1 6080 Upper Sanborn Creek <br />S-2 Note 1 6030 Lower Sanborn Creek <br />USGS Gage Note 6 6080 N. Fk Gunnison River <br />Springs and $eep5 <br />SP-8 Note 4 6200 Spring <br />SP-9 Note 4 6200 Spring <br />Mine Water Discharge <br />Outfa1101 I Note 5 6060 Sanborn Creek Mine <br />Outfall 015 Note 5 6400 Elk Creek Mine <br />Water Tvoe <br />Ground Water -Down Gradient <br />Somerset Mine B seam workings <br />Colluvial Well -Down Gradient <br />Colluvial Well - Up Gradient <br />Colluvial Well-Up Gradient <br />Colluvial Well -Mid Gradient <br />Ground Water-Down Gradient <br />Somerset Mine B seam workings <br />Ground Water-Rollins SS <br />Ground Water-D Seam <br />Surface Water -Down Gradient <br />Surface Water -Down Gradient <br />Surface Water -Down Gradient <br />Surface Water - Up Gradient <br />Surface Water -Down Gradient <br />Surface Water -Down Gradient <br />Surface Water - Up Gradient <br />Surface Water -Mid-Gradient <br />Surface Water -Down-gradient <br />Surface Water - Up Gradient <br />Surface Water -Down Gradient <br />Surface Water <br />Ground Water -slump feature <br />Ground Water -slump feature <br />Mine Water <br />Mine Water <br />NOTES: <br />1. Monthly flow and field parameters -April through October. One full suite analysis during 2"a and 3`a <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`a quarter if sample is available. <br />4. Discharge and field 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 />5 <br />