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Permit Application Parameters/Assomphons/Catena Proposed Estimated Off-sae Unconfine Est. Sao saptid E ILAquifee Parcel Well Grout Seal Pumping Annual O1W(estl Off-site Well gallons Confined MMX EscAaRzpieg PmlplrsQ Qrw.down Mewl% Irrigated Well 1 porosity d T Cant S Uncont.; pygph A"As" MhYsnm(ac Acres Acres Depth(fi) (hl Rate(GPM) Extraction Min/Moa IDW) 2(SW) per ac-h (h2/dry) (�/day) K."A f71 1Po{(K'7y Va(d) susidada TRirRnep Intet�fV RT of AgaLiev lac-hl 1,1511" Not.: of 161 M fill (e) (f) lel (h) til III Ili) (1) (ml (nl lot 'Nal Nal 61 W M QO Iv) M) 17.44 17 300 700 600 3 54 320'E 25V N 325,851 0.25 15,350 13,600 0.0001 0.1 58 51 16&1Rd23 55 1" 12 1,073 48% 78 0.25 3 Asa Theis Model Drawdown Estlmetas 1-5 feet range u 144-d"G M nquder Dist. Pumping rale 7days 1m 11h Iyear 5years 20 years ptgkl l i___ Coal 1001t Drawdown Peak Pumping 2.41 3.05 4.15 4.85 5.46 13600 100 it Annualized pumping rate 0.1 0.12 0.17 0.2 0.22 Notes:(line 31 Conf 1200 R Drawdown Peak Pumping 0.36 0.91 1.97 2.67 3.28 (a) Acreage of the parcel where proposed well is located;if applicant owns contiguous parcels that acreage can be Included If no eannng wells 13600 1200 If Annualized pumping rate 0.01 0.04 0.08 0.11 0.13 (b) Proposed acres to be irrigated by well(may be different than parcel acreage la)) (cl Proposed well depth-value entered from permit application COMMENTS (d) Proposed grout seal depth-value entered from permit application ROI elft-1,000 h (el Proposed maximum pumping rate from permit application;this value can be estimated if pump details are known No measured subsidence in this area (f) Proposed annual extraction volume ac-ft) Existing wells-150-300'deep I&) Minimum and maximum depth to water past 8 years(see reference) Groundwater levels generally stable for decades,than dropped'20-40 feet 2015.2016 (h)&p)locations of nearby off-site wells as applicable(aerial evaluation.applicant submitted information) GW 1-1s recovered`half of the level dropped in 2019 but still remain below historic averages (A Conversion factor-gallons par ono'c-ft Gradient generally to the east (k) Estimated average porosity from literature for aquifer storage volume Estimated Depth to CC=ISO feet;Estimated thickness of CC-75' (I) Averaged confined aquifer transmissivity from GSP and source references for Theis drawdown estimates (m) Averaged unconfined aquifer transmissivity from GSP and source references for Theis drawdown estimate Required Information to be provided by Permit Applicant;can be estimated;required for calculations (n)&(o)Unconfined and confined aquifer storage values from GSP/Reterences for Theis model drawdown Reference/Literature;average values;required for calculations _ Well specific capacity(SC);estimated from pumping rate(e)/drawdown(a);GPM/h;can be used to estimate T Calculated and/or assumed values for final evaluation w.' Estimated acre-feet needed for agronomic crop demand((b)'2-4);two feet Is minimum and four feet Is maximum for most crops;ac-ft 14 Estimated annual pumping volume(gallons)(g*W;total gallons T-Transmissivity to,s Estimated annual pumping rate(GPM);annualized over the full irrigation season(Apr-Nov,7 Mo,210 days) 5=Storage(specific yield unconfined) 01 Saturated aquifer thickness;total well depth(c)-Ave DTW(g) SC=Specific Capacity 14 Maximum expected drawdown at pumping well(Theis calculator,r=I-faoll;used to caluculale SC(p) M, Estimated agifer volume below parcel;Parcel acreage(a)•porosity(kl-aquifer thickness(t);(ac-ft) Groundwater EleeNtlon and Flow Direction Estimates Alai Annual%uf aquifer volume withdrawn(%I,(q)/(v);warning at 5%,bigger at 10% SPR FALL GR ELEV Range Pumping rate in GPM for peak irrigation season(140 day,MaymidSept);use to estimate pumping rate if not specified In application 55 55 2014 E 65 (Estimated pumping rate(GPM)1140 day extraction rate) 50 50 2015 E 65 90 90 2016 SE 25 85 80 2017 SE 30 855 2018 E 25 70 65 2019 NE 45 65 70 2020 ENE 45 OTW 10-35 80 80 2021 NE 40 t25-65 elev Source: https://sgma.water.ca.gov/webgis/?appidzSGMADataViewer#gwlevels 54 aaaea80 78 NUNN#a