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Table 7CDCR-EW-3 Combined Shallow/Intermediate Water-Bearing Zone Parameter ResultsWell Installation and Interim Remedial Action ReportCalifornia Department of Corrections and RehabilitationStockton, CaliforniaTest Pumped WellTest Type Well IDDistance from Pumping Well (ft)Well Screened IntervalPumping Test Rate(s)(gpm)Specific Capacity (gal/ft drawdown)Well Sustainable Yield (gpm)Drawdown Radius of Influence (ft)Saturated Thicknessa (ft)Aquifer Type per MethodSolution Used for AnalysisTransmissivity (ft2/day)Hydraulic Conductivity (ft/day)Hydraulic Conductivity (cm/s)Storativity Step CDCR-EW-3 0 Intermediate 5.1 / 10 / 20.3 / 24.2 1.8 - 3.7 25-35 - 30.0 UnconfinedTheis (Step Test)b838 28 9.9E-03 4.0E-05UnconfinedTheisc 884 29 1.0E-02 6.0E-06UnconfinedCooper-Jacobd717 24 8.4E-03 2.0E-08Leaky Hantushe343 11 4.0E-03 1.7E-04UnconfinedTheisc 7,290 243 8.6E-02 6.9E-02UnconfinedCooper-Jacobd6,997 233 8.2E-02 2.6E-01Leaky Hantushe7,414 247 8.7E-02 9.7E-02UnconfinedTheisc 6,749 225 7.9E-02 9.7E-03UnconfinedCooper-Jacobd6,660 222 7.8E-02 7.0E-03Leaky Hantushe5,956 199 7.0E-02 8.0E-03Average All Data 4,385 146 5.2E-02 4.5E-02Average CRT MWs 6,844 228 5.2E-02 7.5E-02Notes:a The saturated thickness has been interpreted as equivalent to the permeable thickness for the purpose of calculation of the hydraulic conductivity.b Theis (1935) step-drawdown test - type curve solution for a step-drawdown test in an confined aquifer with variable rate and well losses.c Theis (1935) - type curve solution for a pumping test in an unconfined aquifer with variable rate and partial penetration. Jacob's correction for partial dewatering of aquifer applied to displacement data.d Cooper-Jacob (1946) - straight line solution for a pumping test in a unconfined aquifer with variable rate.e Hantush (1960) with aquitard storage - type curve solution for a pumping/recovery test in a leaky confined aquifer with storage in the aquitard(s) with variable rate.Acronyms and Abbreviations: > = greater than ft/day = feet per day< = less thanft2/day = square feet per day-- = not applicable gal/ft drawdown = gallon per foot of drawdownCDCR = California Department of Corrections and Rehabilitation gpm = gallon per minutecm/s = centimeter per second ID = identificationCRT = constant rate test MW = monitoring wellft = feetReferences:Cooper, H.H. and C.E. Jacob, 1946. A generalized graphical method for evaluating formation constants and summarizing well field history, Am. Geophys. Union Trans., vol. 27, pp. 526-534.Hantush, M.S., 1960. Modification of the theory of leaky aquifers, Jour. of Geophys. Res., vol. 65, no. 11, pp. 3713-3725.Theis, C.V., 1935. The relation between the lowering of the piezometric surface and the rate and duration of discharge of a well using groundwater storage, Am. Geophys. Union Trans., vol. 16, pp. 519-524.CDCR-EW-3Intermediate Constant Rate30.0CDCR-EW-3AMW-61SAMW-61M11110 VariableShallow >10 and <350CDCR-EW-3 pumped at 24.1-- --Page 1 of 1