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FIGURE <br />CDCR-EW-4 CONSTANT RATE TEST <br />INTERMEDIATE WELL HYDROGRAPHS <br />10/1/2024 4:35:14 PMH-1 <br />CDCR-EW-4 <br />(Pumping) <br />AMW-58M <br />CRT Initial Pumping <br />Phase Transducer Error Recovery Phase <br />16.08 ft Drawdown <br />0.39 ft Drawdown <br />0.12 ft Drawdown AMW-58S Water Column Above Pressure Transducer ft)CDCR-EW-4 <br />92.5-97.5 and 102.5-117.5 (total <br />20 ft) <br />8-hour pumping phase on <br />5/23/2024 <br />Pumped at 16.5 gpm <br />38.24 ft drawdown <br />AMW-58M <br />Screen 106-116 ft bgs <br />Located 21 ft from CDCR-EW-4 <br />0.39 ft drawdown <br />AMW-58S <br />Screen 55-75 ft bgs <br />Located 11 ft from CDCR-EW-4 <br />0.12 ft drawdown <br />AMW-22 <br />Screen 100-120 ft bgs <br />Located 440 ft from CDCR-EW-4 <br />0.09 ft drawdown <br />Conclusion: Hydraulic influence from <br />CDCR-EW-4 pumping well indicated <br />up to approximately 440 ft within <br />the intermediate zone at a pumping <br />rate of 16.5 gpm over an 8-hour <br />period.Water Column Above Pressure Transducer ft)Water Column Above Pressure Transducer ft)AMW-22 Water Column Above Pressure Transducer ft)Step Test <br />Pumping <br />Transducer Moved <br />Causing Step Change <br />Transducer Moved <br />Causing Step Change <br />0.09 ft Drawdown <br />Notes: <br />1. Water levels have been corrected for barometric pressure influence. <br />2. Vertical scale on graphs is not uniform between graphs. <br />3. Drawdown trends interpreted from pressure transducer data. <br />bgs = below ground surface <br />CDCR = California Department of Corrections and Rehabilitation <br />CRT = constant rate test <br />ft = feet <br />gpm = gallon per minute <br />FORWARD, INC. <br />9999 SOUTH AUSTIN ROAD, MANTECA, CALIFORNIA <br /> WELL INSTALLATION AND <br />INTERIM REMEDIAL ACTION REPORT, APPENDIX H-1