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Red Creek Quarry Baseline Water Investigation Table of Contents <br /> <br /> <br />iv <br />DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the end of this docu ment. <br />Red Creek Quarry Baseline Water Information 20230907 <br />List of Figures <br />Figure 3-1. Generalized stratigraphic section of the Bear Creek and Red Creek sites ........................3-1 <br />Figure 3-2. Groundwater Well Locations .................................................................................................3-4 <br />Figure 3-3. Aquatic resources map of Red Creek quarry site ................................................................3-9 <br />Figure 3-4. Surface water monitoring and observation locations ....................................................... 3-11 <br />Figure 5-1. Transducer and barometric pressure readings ................................................................ 5-10 <br />Figure 5-2. Transducer data calculated head and measured staff gauge head ............................... 5-11 <br />Figure 5-3. Corrected transducer head and measured staff gauge head .......................................... 5-11 <br />Figure 5-4. Flow rates from corrected transducer and staff gauge data ........................................... 5-12 <br />Figure 6-1. Piper diagram of the groundwater well data ........................................................................6-2 <br />Figure 6-2. Piper diagram of the surface water well data ......................................................................6-2 <br />Figure 6-3. Piper diagram of all surface and groundwater well data ....................................................6-3 <br />Figure 6-4. Stiff diagram of the surface and groundwater data (December 2022) .............................6-4 <br />Figure 6-5. Stiff diagram of the surface and groundwater data (February and March 2023) .............6-5 <br />Figure 6-6. Stiff diagram of the surface and groundwater data (May 2023) ........................................6-6 <br />Figure 6-7. Stiff diagram of the surface and groundwater data (July 2023) ........................................6-7 <br />Figure 6-8. Scatter plots of groundwater metals/metalloid concentrations ...................................... 6-10 <br />Figure 6-9. Water Quality Control Division Surface Water Segmentation Designations ................... 6-12 <br />Figure 6-10. Time trend plot of dissolved selenium for surface and groundwater ........................... 6-13 <br />Figure 6-11. Time trend plot of dissolved sulfide for surface and groundwater ................................ 6-13 <br />Figure 6-12. Red Creek flow data and daily precipitation totals from K1V6 weather station .......... 6-16 <br />List of Photographs <br />Photo 2-1. Surface water seep identified as SW SEEP ..........................................................................2-4 <br />Photo 2-2. Unnamed seep within the Red Creek drainage ....................................................................2-4 <br />Photo 2-3. Downstream most point of Red Creek with observed water ...............................................2-5 <br />Photo 2-4. Upland area on the site looking north from the road ...........................................................2-5 <br />Photo 3-1. Mineralized Fracture within the Red Creek Drainage ..........................................................3-2 <br />Photo 3-2. Air rotary drilling operations for monitoring well installation ...............................................3-3 <br />Photo 3-3. Surface water flume after installation ................................................................................ 3-12 <br />Photo 3-4. Staff gauge inside the flume and port to standpipe .......................................................... 3-13 <br />Photo 3-5. Plastic standpipe attached to the flume for transducer ................................................... 3-13