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case there is an 8.1-ft difference between the control elevation and WCS-1 management elevation. Year- <br /> round management is recommended for this project. Also,the cropland area directly south of the <br /> planned denitrifying bioreactor(same field, same owner/operator)has free-flowing pattern drainage, <br /> minimizing risk of saturated conditions resulting from raising the water table within the target 12-inch <br /> CPP dual wall main. Depending on actual growing season weather and crop development,these <br /> management elevations may be adjusted to meet specific water quality or crop production goals. <br /> Table 6.Denitrifying bioreactor water control structure settings <br /> Zone Management elevations(ft) <br /> Control Bioreactor management <br /> WCS-1 682.9 <br /> 691.0 <br /> WCS-2 679.6 <br /> Associated Conservation Practices and Components <br /> The following conservation practices are included for the planned area. <br /> Table 7.Associated conservation practices and components <br /> Practice Scenario Scenario Name Notes Number Pipe Structure Units <br /> Code Number* Height <br /> Practices and components associated with DIA-164 Final Design <br /> Improved Design of denitrifying <br /> 164 3 management of bioreactor and development 1 - - each <br /> drainage water of management plan <br /> design <br /> Structure for Inline WCS,subsurface <br /> 587 9 water control drainage control,<= 10-inch 1 6-inch 8 ft each <br /> dia.Pipe <br /> Structure for Inline WCS,subsurface <br /> 587 10 water control drainage control,> 10-inch 1 12-inch 8 ft each <br /> dia.Pipe <br /> 605 16 Denitrifying Denitrifying bioreactor, 403 _ cu. <br /> bioreactor with liner and soil cover yd. <br /> 606 2 Subsurface drain 6-inch CPP 125 6-inch non- ft <br /> --- — _� pert.CPP <br /> 12-inch <br /> 606 5 Subsurface drain 12-inch CPP 40 non-perf. - ft <br /> CPP <br /> *Based on NRCS FY2025 <br /> Page 6of14 <br />