Note: A restoration project is exempt under par. (b) only to the extent that it is confined within the formally established cross-section, grade profile and alignment of a district drain, and does not go beyond those formally established specifications. See definition of "restoration project" under s. ATCP 48.01(21).
Wis. Admin. Code Department of Agriculture, Trade and Consumer Protection ATCP 48.34
A county drainage board should consult with the department to determine whether a particular county drainage board action requires department approval under this section. A county drainage board may seek the department's advice or assistance regarding any proposed construction, repair, restoration or maintenance action, regardless of whether the action requires the department's approval under this section. A county drainage board should consult with the department at the early planning stage to facilitate timely assistance and, if necessary, timely approval. A county drainage board may not deviate from approved project specifications without the department's approval.
A person may need to obtain a permit from the state of Wisconsin department of natural resources before undertaking a construction or restoration project in a district drain which has a navigable stream history. See ss. 30.12, 30.18(2), 30.20, 31.02, 88.31 and 88.62(3), Stats. See also ch. 31, Stats.