- a) Application area boundaries including buffer zones;
- b) Treatment and storage facilities;
- c) Piping and layout of the irrigation system;
- d) Present and proposed land use regarding residences, buildings, developments, public access areas, etc;
- e) Present and proposed water supply wells and abandoned wells and shafts;
- f) Direction of groundwater movement and any points of groundwater resurfacing;
- g) Surface waters and waterways, wetlands and 10-year floodplains;
- h) Subsurface drainage tiles and storm sewers; and
- i) Slopes of the application areas.
A single topographic map of the proposed project and the area within 2,500 ft. of the project shall be submitted as a part of the engineering design. Segmented maps may be provided for large projects. The topographic map shall show the following information: