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Trott Brook Crossing EAW <br />August 2021 <br />Table 4. Soil Classifications <br />Symbol <br />Soil Name <br />% of Area <br />% Hydric <br />Hydric Category <br />Farmland Category <br />NyC <br />y <br />Nymore loamy sand, 6 to <br />12 percent slopes <br />16.8 8 <br />0 <br />Non-Hydric <br />y <br />Not prime farmland <br />Rf <br />Rifle mucky peat <br />16.86 <br />100 <br />Hydric <br />Not prime farmland <br />NyA <br />y <br />Nymore loamy sand, 0 to <br />2 percent slopes <br />13.63 <br />0 <br />ric <br />Non-Hydric <br />y <br />Not p rime farmland <br />N B <br />y <br />Nymore loamy sand, 2 to <br />6 percent slopes <br />11.53 <br />5 <br />Predominantly Non- <br />Hydric <br />Not prime farmland <br />Mc <br />Marsh <br />8.23 <br />100 <br />Hydric <br />Not prime farmland <br />AnA <br />Anoka loamy fine sand, 0 <br />to 2 percent slopes <br />73 <br />0 <br />Non-Hydric <br />y <br />Not prime farmland <br />ZmB <br />Zimmerman fine sand, 1 <br />to 6 percent slopes <br />6 28 <br />2 <br />Predominantly Non- <br />Hydric <br />Not prime farmland <br />Bx <br />Brickton silt loam <br />5.69 <br />93 <br />Predominantly <br />Hydric <br />Prime farmland if drained <br />NrD <br />Nymore loamy coarse <br />sand, 12 to 25 percent <br />slopes <br />4.85 <br />0 <br />Non-Hydric <br />Not prime farmland <br />Bm <br />Blomford loamy fine <br />sand <br />4.26 <br />95 <br />Predominantly <br />Hydric <br />Not rime farmland <br />p <br />D20A <br />Isan-Isan, frequently <br />ponded, complex, 0 to 2 <br />percent slopesHydric <br />3.29 <br />95 <br />Predominantly <br />Not prime farmland <br />D67C <br />Hubbard loamy sand, <br />Mississippi River Valley, <br />6 to 12 percent slopesHydric <br />0.51 <br />0 <br />Predominantly Non- <br />Not prime farmland <br />ZmC <br />Zimmerman fine sand, 6 <br />to 12 percent slopes <br />0 27 <br />4 <br />Predominantly Non- <br />Hydric <br />Not prime farmland <br />ZmD <br />Zimmerman fine sand, 12 <br />to 24 percent slopes <br />0.03 <br />2 <br />Predominantly Non- <br />Hydric <br />Not prime farmland <br />AnB <br />Anoka loamy fine sand, 2 <br />to 6 percent slopes <br />0.002 <br />0 <br />Non-Hydric <br />y <br />Not prime farmland <br />Three of the fifteen soils do not have limitations for dwelling units and local streets. Twelve of the <br />soils (AnA, AnB, AnC, Bm, Bx, D20A, Mc, NrD, Rf, ZmC, ZmD, NyC) have limitations due to <br />factors such as ponding, depth to saturated zone, shrink -swell, frost action, and slope. <br />Grading operations for residential development construction are expected to affect about 115 acres <br />and involve movement of about 400,000-500,000 cubic yards of soil to construct streets, residential <br />building pads, and stormwater features. <br />Elevations in the project area range from 904 feet above mean sea level at the highest point in the <br />northwestern part of the site to 864 feet at the lowest point in the southeastern part of the site. <br />9 <br />