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HomeMy WebLinkAboutReport - Groundwater Modeling - 10-29-20 Part 58.0 3.0 4 . 0 2 . 0 0. 0 5 . 0 3. 0 6 . 0 3 . 0 8 . 0 7 . 0 6 . 0 5 .0 4.0 5 . 0 2.0 6 . 0 5 .0 4 . 0 7 . 0 6 . 0 6 . 0 5 .0 6 .0 5 . 0 6 . 0 4.0 5.04.0 5.0 4.0 5.0 4.0 4 . 0 3. 0 3.0 2.0 2 . 0 1 . 0 5.0 1 . 0 1 . 0 4.0 2. 0 3. 0 8 . 0 7 . 0 7.0 4 .0 5 . 0 4.0 6 .0 4.0 5.0 3 .0 2.0 1. 0 2 . 0 2.02.0 0 . 0 1 . 0 0.0 9 .0 9 . 0 9.0 7 .0 8 . 0 7.0 7.0 7.0 5 .0 5. 0 5 . 0 5 . 0 5 . 0 5.0 6 . 0 6 .0 6.0 6. 0 6 . 0 6 . 0 6.0 6 .0 6 . 0 5 . 0 5 . 0 5. 0 4 . 0 4.0 4 . 0 5.0 5. 0 5.0 5 . 0 4 . 0 4 . 0 4.0 4.0 4.0 4 . 0 4. 0 2 . 0 2 .0 2.0 3. 0 3 . 0 3 . 0 2.0 1.0 1.0 1.0 1 . 0 2.0 2 . 0 1.0 1 . 0 1.0 0 . 0 0.0 0.0 - 1 . 0 6.0 5.0 Legend Existing Drains Streams & Ditches Proposed Drains Depth to Groundwater Flooded 0 - 2 ft 2 - 4 ft >4 ft Depth to Groundwater - Before and After Drain Install Simulated Average Water Level Figure 7 - P1 Northwest Crossing Subdivision Gallatin County, MT Path: C:\Users\brutherford\Desktop\DrainGWM\GIS-Figures\Figure 7 - Page 1 - AvgHeadDepth.mxd, Author: brutherford Job#: BZMMNWX Date: 9/23/202004 0 0 8 0 0 1 , 2 0 0200Feet . 7.0 6 . 0 3.0 5. 0 0 . 0 3. 0 2.0 4 . 0 0 . 0 7 . 0 6 . 0 5 . 0 4 . 0 5 . 0 3.0 2 .01.0 5.0 4.0 3.0 3 . 0 2 . 0 0 . 0 2.0 1 . 0 3 . 0 2.0 5 . 0 4.0 3 . 0 2 . 0 3. 0 2. 0 3.0 2.0 3 . 0 2 . 0 3.02.0 3 . 0 2.0 2 . 0 1 . 0 1 . 0 2 .0 4.0 3.0 6 . 0 4.0 4.0 2 . 0 2 .0 4.0 1. 0 2 . 0 3 . 0 3 . 0 1.0 1.0 1.0 1 . 0 7.0 8 .0 8 . 0 6.0 5 . 0 6 . 0 6.0 3.0 3.0 4.0 3 . 0 4.0 4.0 4.0 4 . 0 4 . 0 3.0 4. 0 3 . 0 4 . 0 2.0 2.0 2 . 0 2 .0 2 . 0 2.0 2. 0 3 . 0 3.0 3 . 0 3 . 0 3.0 3. 0 3 . 0 3.0 3. 0 3.0 2 . 0 2 . 0 1.0 1.0 2. 0 2 . 0 2.0 2.0 2 . 0 2 . 0 1 . 0 1 .0 0 . 0 1.0 1 . 0 1.0 0.00.0 0.05.0 5.0 Before Additonal Drain Installation After Additonal Drain Installation 5.0 3.0 0.0 6.0 2 . 0 5 . 0 3 . 0 4.0 1.0 5. 0 2.0 3.0 0 . 0 7 .06.0 5 . 0 4 . 0 4. 0 3.0 2. 0 5 . 04.0 5 .0 4 .0 3 .0 4.0 3 . 0 5 . 0 4 . 0 1.0 0 . 0 1 . 0 2.0 0.0 4 . 0 1. 0 1 .0 2.0 1.0 7 . 0 4 . 0 4 .0 6.0 4.0 3.0 3.0 3.0 4.0 0.0 1.0 8 .0 8 .0 6 . 0 6.0 6 . 0 6 . 0 6 . 0 6 . 0 6.0 4 .0 4.0 4.0 4 .0 5.0 5.0 4 . 0 4.0 3.0 3. 0 4 . 0 4 . 0 4 . 0 2.0 2. 0 3. 0 3 . 0 3 .0 3 . 0 3.0 0.0 1 .0 2. 0 2. 0 2.0 1.0 0 . 0 0.0 1. 0 1 . 0 4.0 4.0 4.0 4.0 3.0 Legend Existing Drains Streams & Ditches Proposed Drains High_Post_DepthCtour Depth to Groundwater Flooded 0 - 2 ft 2 - 4 ft >4 ft Depth to Groundwater - Before and After Drain Install Simulated High Water Level Figure 7 - P2 Northwest Crossing Subdivision Gallatin County, MT Path: C:\Users\brutherford\Desktop\DrainGWM\GIS-Figures\Figure 7 - Page 2 - HighHeadDepth.mxd, Author: brutherford Job#: BZMMNWX Date: 9/23/202004 0 0 8 0 0 1 , 2 0 0200Feet . 6.0 5 . 0 4 . 0 3 . 0 5.0 2 . 0 5 . 0 1 . 0 2. 00.0 1 .0 0 . 0 3.0 2 .0 2.0 1 . 0 5 . 0 4 . 0 4.0 3.0 1. 0 0 . 0 2 . 0 1.0 4.0 3 . 0 2 . 0 0 . 0 3.0 1.0 5.0 3 . 0 1.0 2.0 1.0 1. 0 0.0 0.0 1 . 0 2.0 1.0 7 . 0 6.0 3.0 3.0 3 . 0 3.0 2.0 2 . 0 3. 0 3.0 2.0 2.0 1.0 2 . 0 2 . 0 2 . 0 1 . 0 0.0 0.0 0.0 1. 0 0.0 1.0 1. 0 1 . 0 1. 0 1.0 1.0 1.0 1.0 1 . 0 1. 0 1.0 0 . 0 0.0 0 . 0 4.0 2.0 1.0 0.0 Before Additonal Drain Installation After Additonal Drain Installation 0 . 5 4 . 0 4.0 3 . 0 2 .5 2 . 0 1 . 5 3 . 5 2. 5 2.0 1.5 3.0 1 . 0 0. 5 Ap p r o x i m a t e A r e a o f No r t h w e s t C r o s s i n g Su b d i v i s i o n Si m u l a t e d G r o u n d w a t e r D r a w d o w n - P o s t I n s t a l l Av e r a g e W a t e r L e v e l Fi g u r e 8 No r t h w e s t C r o s s i n g S u b d i v i s i o n Ga l l a t i n C o u n t y , M T Pa t h : M : \ B Z M M N W X \ D r a i n G W M \ G I S - F i g u r e s \ F i g u r e 8 - A v g H e a d D r a w d o w n . m x d , A u t h o r : b r u t h e r f o r d Jo b # : B Z M M N W X Da t e : 1 0 / 2 9 / 2 0 2 0 0 5 0 0 1 , 0 0 0 1 , 5 0 0 25 0 Fe e t . Le g e n d Ex i s t i n g D r a i n s St r e a m s & D i t c h e s Dr a w d o w n C o n t o u r s ( 0 . 5 f t ) Si m u l a t e d D r a w d o w n ( f t ) 0. 5 - 1 . 0 1. 0 - 1 . 5 1. 5 - 2 . 0 2. 0 - 2 . 5 2. 5 - 3 . 0 3. 0 - 3 . 5 3. 5 - 4 . 0 4. 0 - 4 . 5 Pr o p o s e d D r a i n s De l i n e a t e d W e t l a n d A r e a